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鄉下的妹子太便宜,一次四個都要了[12P]

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Sexual Precocity in a 16-Month-Old
8 F' t* G' y0 B$ a! ~Boy Induced by Indirect Topical
2 U, O4 @% |- h0 i; S6 xExposure to Testosterone& }: J4 k( H) x; ?! ^8 @/ d6 f
Samar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2
8 t5 h! `# H2 [" b4 kand Kenneth R. Rettig, MD1- y2 D: x& W- H2 k  M. W
Clinical Pediatrics* v- @3 f: C- D
Volume 46 Number 6. [) u7 a4 \4 }- Q
July 2007 540-5437 e  Q( e: Y, W  ~1 ], r! J* o5 M- q
© 2007 Sage Publications
5 [5 Y& g6 `/ A1 L6 l, E7 E  g: C0 U10.1177/00099228062966513 g! i2 `3 R% Q6 M
http://clp.sagepub.com" L7 @- Y$ Z$ J9 b( x
hosted at7 a  E' @' P$ y( E5 o$ s: e
http://online.sagepub.com6 V5 m9 S- o" z/ @
Precocious puberty in boys, central or peripheral,) X( n7 l0 r% l# A/ f: L% l  q
is a significant concern for physicians. Central* M$ H4 L4 ]/ b2 v$ K
precocious puberty (CPP), which is mediated
( y: l- {8 M' V, R# M5 ~  r' [through the hypothalamic pituitary gonadal axis, has% X' D* [7 o2 u. J
a higher incidence of organic central nervous system
1 C* f& `4 }3 x! `" r6 llesions in boys.1,2 Virilization in boys, as manifested
4 D) ~% Y, P6 y) G4 Lby enlargement of the penis, development of pubic, k1 v) |6 |+ n4 Q& X, q
hair, and facial acne without enlargement of testi-
% X$ Y% K7 L3 L4 {5 q+ Xcles, suggests peripheral or pseudopuberty.1-3 We" v; K2 H( S" k% I8 g( @! t% C6 u
report a 16-month-old boy who presented with the
4 S' f2 l+ h. j% U% R) senlargement of the phallus and pubic hair develop-% _4 R& p6 l$ o% K6 g
ment without testicular enlargement, which was due
2 C3 w- W: m" A! Y. ~: ]to the unintentional exposure to androgen gel used by% ?+ A9 }- Q1 V, }
the father. The family initially concealed this infor-
. z" V# w- Y) p0 P: |1 @mation, resulting in an extensive work-up for this
( d! R, H+ c$ {4 Z. G4 rchild. Given the widespread and easy availability of& T8 D# x. P2 z8 \3 P: M+ h
testosterone gel and cream, we believe this is proba-6 z  U$ P. L6 \, ?
bly more common than the rare case report in the
+ b3 P& U, |0 o+ Y- u( K& V, f( ~literature.4
0 Z8 s% ?" I1 l) C' l0 bPatient Report
$ E& s; d. t5 t2 ZA 16-month-old white child was referred to the
- o' j9 o* J+ f& I. W2 D& Z( c% vendocrine clinic by his pediatrician with the concern! V: Q! y, f9 h/ b4 C
of early sexual development. His mother noticed
4 L, E, F2 y7 O2 Y: jlight colored pubic hair development when he was
" Y- J7 W  `: Q' ^; y" w. F4 q1 tFrom the 1Division of Pediatric Endocrinology, 2University of; A$ u0 L: q$ J' F. S- |/ a! T
South Alabama Medical Center, Mobile, Alabama.
: O0 x% N5 x* M& l+ D: o% UAddress correspondence to: Samar K. Bhowmick, MD, FACE,
3 H7 T. ~& N. H7 K$ oProfessor of Pediatrics, University of South Alabama, College of
1 N3 M9 s1 u  EMedicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;
5 @3 J7 g/ q$ @% b3 t, N1 ce-mail: [email protected].% ?4 C$ y5 u+ V6 o: X
about 6 to 7 months old, which progressively became- e; D3 ]1 W. D$ Y7 x
darker. She was also concerned about the enlarge-
( l& ?6 e4 D2 R. ~; A( Gment of his penis and frequent erections. The child
9 m( _: f" M6 r) [was the product of a full-term normal delivery, with# w  ]: a; E; r- i6 O; W) D
a birth weight of 7 lb 14 oz, and birth length of% [! i% c3 ^  U8 d6 l0 w* B
20 inches. He was breast-fed throughout the first year
+ _0 U0 h9 v1 U2 V  r- ]of life and was still receiving breast milk along with
4 p( l6 k, o5 B5 lsolid food. He had no hospitalizations or surgery,
1 h( m0 ^. e1 U' c; [4 S( Q+ Kand his psychosocial and psychomotor development% t$ `, C8 _& Z& U9 f% i  D
was age appropriate.
' L5 Q# a1 w. [The family history was remarkable for the father,
3 j. l& v! S1 x- ~4 P  h( Swho was diagnosed with hypothyroidism at age 16,
/ f9 \! e) x+ n6 Y- v8 g+ l. mwhich was treated with thyroxine. The father’s8 p8 y& @$ ~1 ^
height was 6 feet, and he went through a somewhat
: N0 B( k8 X2 w5 learly puberty and had stopped growing by age 14.( C2 n0 ?0 e0 W0 X, {7 E" f
The father denied taking any other medication. The
+ d7 o5 V% O2 \" Lchild’s mother was in good health. Her menarche
! M4 h$ _" j# {% T; w- h; c7 mwas at 11 years of age, and her height was at 5 feet
! N& s; v$ W3 _6 O7 Z- ^' U+ H5 inches. There was no other family history of pre-
+ N4 @% a' J! D/ x$ [( acocious sexual development in the first-degree rela-+ W! W& Z( K9 K" K/ \, W5 \0 I' I+ s
tives. There were no siblings.6 K4 }  i+ y# P2 J+ o
Physical Examination: G' E$ ?. }; j6 Q) I; h
The physical examination revealed a very active,
0 z/ _& l! V9 \! P" Mplayful, and healthy boy. The vital signs documented  Q* ^$ q: @, t- ]
a blood pressure of 85/50 mm Hg, his length was" i1 g- R& `6 G* L
90 cm (>97th percentile), and his weight was 14.4 kg- F) }% J" w- E1 w5 C# h# [; V
(also >97th percentile). The observed yearly growth" Q6 z8 L5 i  V! J
velocity was 30 cm (12 inches). The examination of+ d5 T# O- [- s7 x/ K" A# m6 y
the neck revealed no thyroid enlargement.
8 m% |- w4 U" q4 P; }) ^The genitourinary examination was remarkable for
  U; ?3 Q( l, ], @5 qenlargement of the penis, with a stretched length of
/ X4 j% `" ~' Y1 d# _" T8 l# P& S  r, @8 cm and a width of 2 cm. The glans penis was very well( E; }: [+ a+ W4 |4 I- f
developed. The pubic hair was Tanner II, mostly around
' c# S$ |2 W. e4 G$ u% S" m540. S+ o  v+ }$ j6 C" Q
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
  D) X6 k4 ]& l' y7 o6 v2 kthe base of the phallus and was dark and curled. The3 O. J# a. [% a: e8 J$ y
testicular volume was prepubertal at 2 mL each.; _& D, e* u9 i4 u6 H! s9 q0 a0 z
The skin was moist and smooth and somewhat
2 T  O" U  L7 ]- Goily. No axillary hair was noted. There were no1 |4 R  b3 b8 \, Y! _5 u& a7 n
abnormal skin pigmentations or café-au-lait spots.
3 P8 c7 C0 t- G( k' rNeurologic evaluation showed deep tendon reflex 2+* q  u3 k7 q- r6 G9 P
bilateral and symmetrical. There was no suggestion
- z8 v8 [6 C2 ]$ l1 H8 Aof papilledema.
9 ~7 C3 v' C" W( i" ^Laboratory Evaluation
1 {+ k5 n# i3 f3 J1 ]: ?% RThe bone age was consistent with 28 months by
* K" |$ P5 |8 ^& N. husing the standard of Greulich and Pyle at a chrono-5 w4 `: X5 J5 J( `0 q
logic age of 16 months (advanced).5 Chromosomal$ H6 j: ~4 o$ f! |3 F" A
karyotype was 46XY. The thyroid function test& X2 D) z; g" q$ C4 ?- z0 `. ^
showed a free T4 of 1.69 ng/dL, and thyroid stimu-
' N% X3 w* g1 A& X  `lating hormone level was 1.3 µIU/mL (both normal)." l' P$ V# S- w, E" B: o
The concentrations of serum electrolytes, blood
0 H3 \% c2 Q. ~, _# E  vurea nitrogen, creatinine, and calcium all were
6 @1 a/ F4 S- x, W! g9 Rwithin normal range for his age. The concentration% N3 k; J! H4 R; p5 S
of serum 17-hydroxyprogesterone was 16 ng/dL" H& Q/ M: i( k  V! A
(normal, 3 to 90 ng/dL), androstenedione was 20
  S3 G* S0 O5 p7 I& t1 \6 |# ang/dL (normal, 18 to 80 ng/dL), dehydroepiandros-
. }4 X  B3 k' g3 U2 {terone was 38 ng/dL (normal, 50 to 760 ng/dL),1 P$ x' a; O. \
desoxycorticosterone was 4.3 ng/dL (normal, 7 to
9 I  u0 I+ B" W) `. i( f) r49ng/dL), 11-desoxycortisol (specific compound S)) f0 ]/ F5 A& w- a
was 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-
3 k2 f0 D" J) I1 itisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total! C, Q  ~$ R" a% y( h# j5 j
testosterone was 60 ng/dL (normal <3 to 10 ng/dL),5 e- p; p/ D  I( O9 c) e
and β-human chorionic gonadotropin was less than
1 O* H% Q- j$ B7 D! E4 }5 mIU/mL (normal <5 mIU/mL). Serum follicular
/ `3 u! v/ I+ n) a2 e6 Sstimulating hormone and leuteinizing hormone7 T- A7 _$ n' |5 H2 W5 P
concentrations were less than 0.05 mIU/mL5 V! D9 \0 }3 y: _3 T
(prepubertal).8 S/ X* I$ Z8 ?2 q& Y3 u
The parents were notified about the laboratory/ |. o# I* H, q( }
results and were informed that all of the tests were
  J, @  S- ~+ Y% F' ?8 \8 Hnormal except the testosterone level was high. The
' I: X0 ]" ~5 W- t, a6 j, Bfollow-up visit was arranged within a few weeks to
4 S% T1 x/ l  mobtain testicular and abdominal sonograms; how-+ X2 z* S6 h8 R( h& c- x
ever, the family did not return for 4 months.
& O: @' K$ w0 d2 J8 RPhysical examination at this time revealed that the8 g1 h; R2 K2 X1 m1 r& G
child had grown 2.5 cm in 4 months and had gained
# F. O0 L2 b3 D  R1 h! R2 kg of weight. Physical examination remained5 ^" s5 B! M& ]6 s* Z# B
unchanged. Surprisingly, the pubic hair almost com-* k. \; t( m6 G9 |
pletely disappeared except for a few vellous hairs at. W; h9 E1 J/ e5 V  [  ]
the base of the phallus. Testicular volume was still 27 p/ b1 t% ^9 R6 b; Y+ `. b6 U3 L* A$ @
mL, and the size of the penis remained unchanged.* F+ j! P% V. n# y' K7 }; K
The mother also said that the boy was no longer hav-  g/ k" z8 s8 q# K2 {' X
ing frequent erections.* [5 r* m& B( c; @/ b4 z2 |% @; S
Both parents were again questioned about use of2 p$ W# z0 @; g" q3 C4 O
any ointment/creams that they may have applied to
! |. U: ~% F9 r  L4 uthe child’s skin. This time the father admitted the
: c% }5 e( G; L! P& PTopical Testosterone Exposure / Bhowmick et al 541
4 Y3 v5 u$ |) c; G0 u" S+ }use of testosterone gel twice daily that he was apply-/ R5 }5 U* R) W: I( r: r
ing over his own shoulders, chest, and back area for
5 {- y2 ]/ [- O* }/ |; o  \; [a year. The father also revealed he was embarrassed
9 n" }/ k. e& sto disclose that he was using a testosterone gel pre-# Q2 s( V  ?! H, z; @3 j8 N/ y
scribed by his family physician for decreased libido
5 d6 F  _0 N+ D& k1 a6 [7 tsecondary to depression.
! w* ?9 v$ F6 g; ]1 J3 XThe child slept in the same bed with parents.' R  F% {! n) C5 ^5 I+ ?7 [  d
The father would hug the baby and hold him on his
. g( e6 U, Z7 h- w% p$ pchest for a considerable period of time, causing sig-# A* M% k$ r. X* N% H6 j$ C3 ~1 u
nificant bare skin contact between baby and father.2 x1 T7 {) u0 x. A# I% ~- ]
The father also admitted that after the phone call,
8 Y/ D! z) _2 v+ `1 Hwhen he learned the testosterone level in the baby
+ z2 L% U# h9 K1 a  N, V. l/ Wwas high, he then read the product information* K. `2 L. R6 _1 h6 E
packet and concluded that it was most likely the rea-3 W' [9 K2 T. U0 {: [, A
son for the child’s virilization. At that time, they: o6 _$ p/ O- K4 q2 {
decided to put the baby in a separate bed, and the; d4 w$ Z# A2 q. |7 H% C4 \. d
father was not hugging him with bare skin and had; B. {: w6 i" w; ~3 Q
been using protective clothing. A repeat testosterone$ t6 r3 J! P$ Q8 ?# X9 W5 b
test was ordered, but the family did not go to the  U/ k' _7 U7 d* g5 W9 u
laboratory to obtain the test.
* a9 Y+ g  ~2 x. tDiscussion3 C6 H2 m% R( r( K; F% K3 _' |9 x/ \
Precocious puberty in boys is defined as secondary4 Y' C8 r! Z$ e( L6 a3 e
sexual development before 9 years of age.1,4: J! }/ q% R! C8 u$ M% l4 r
Precocious puberty is termed as central (true) when
/ R1 N5 v1 Q; O4 l) M% |" wit is caused by the premature activation of hypo-- t: W+ z: k9 N+ z2 v4 |
thalamic pituitary gonadal axis. CPP is more com-6 K, {* h4 f# Q9 y/ E5 P
mon in girls than in boys.1,3 Most boys with CPP& I2 |% w$ R- [. e
may have a central nervous system lesion that is
% T; C+ [6 a5 Q5 d/ o+ Z2 x. J4 N2 oresponsible for the early activation of the hypothal-
: A! Y$ y. H4 ?3 I( @amic pituitary gonadal axis.1-3 Thus, greater empha-
$ z1 Q3 H6 a2 b' Lsis has been given to neuroradiologic imaging in% X: \! z; ]( ]+ F7 l" d* ]
boys with precocious puberty. In addition to viril-
  D! ~  N! z5 vization, the clinical hallmark of CPP is the symmet-8 o; c$ r) I' x1 s8 H+ w; H! h
rical testicular growth secondary to stimulation by
/ K  h+ L0 K/ |% a- ~gonadotropins.1,30 P* u% n( Q6 q8 E. M
Gonadotropin-independent peripheral preco-
7 R3 p4 q* n7 U  r1 O0 @0 W1 t! o, _cious puberty in boys also results from inappropriate
2 Y. I4 T% C9 `androgenic stimulation from either endogenous or/ a: B% B- _! p6 o1 A# [
exogenous sources, nonpituitary gonadotropin stim-# V/ ]' Y8 `/ }) z" p! I0 ~" W. A
ulation, and rare activating mutations.3 Virilizing
3 h$ Q' I* b/ G# C' Icongenital adrenal hyperplasia producing excessive7 X+ n( @8 n  E* R7 K0 n( M
adrenal androgens is a common cause of precocious
- z+ ]- U- U+ `3 Z# cpuberty in boys.3,4
3 [+ M' \; V. W# ZThe most common form of congenital adrenal
  A$ n* w( P2 G- v% s2 ~hyperplasia is the 21-hydroxylase enzyme deficiency./ N. e5 x' b* v, B/ M9 |" w
The 11-β hydroxylase deficiency may also result in
0 Z$ |9 o4 |9 \+ _+ C4 rexcessive adrenal androgen production, and rarely,
' }8 g8 T7 ]( S8 z% b% P( ?" k8 D' ban adrenal tumor may also cause adrenal androgen
- H! n; f2 t1 S) D, mexcess.1,3* j: [. |& a/ q) j
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from9 E( J) n" q% U- E3 N
542 Clinical Pediatrics / Vol. 46, No. 6, July 2007
: y! r1 i9 _- g0 QA unique entity of male-limited gonadotropin-
5 V$ n+ M. y' r" D& M, ]" z2 ^independent precocious puberty, which is also known
2 j8 ]. L' Q* ^% Y  S1 yas testotoxicosis, may cause precocious puberty at a
- g6 S5 ?5 i6 u: e1 rvery young age. The physical findings in these boys: H0 l1 o/ M# n" E
with this disorder are full pubertal development,$ L7 B( p: }/ }6 e( v7 g" a8 A
including bilateral testicular growth, similar to boys8 D9 Q! N1 d: F0 J2 g. Y
with CPP. The gonadotropin levels in this disorder+ h7 r2 v3 M: p* r" ]
are suppressed to prepubertal levels and do not show
8 }& s, z, ~1 Q; }# Tpubertal response of gonadotropin after gonadotropin-" i. {6 j: Q0 w: `' x* r: d9 r
releasing hormone stimulation. This is a sex-linked
% k5 p- e! l' _1 |+ B' f( N. }% wautosomal dominant disorder that affects only
( @& e% ^4 u2 [$ Smales; therefore, other male members of the family
& X# h, a/ G; ~9 {# ^+ gmay have similar precocious puberty.37 |6 w/ b* L/ ^9 |
In our patient, physical examination was incon-
( a( k) y8 Z6 c- g8 p9 Qsistent with true precocious puberty since his testi-
7 @# _2 E2 t1 k6 W, s6 ?1 N9 Acles were prepubertal in size. However, testotoxicosis+ K( u1 K6 `/ r; b
was in the differential diagnosis because his father7 M- l, q% Z' K% m) o" Z$ ~
started puberty somewhat early, and occasionally,0 C' Y0 S) R% l; N  |: _
testicular enlargement is not that evident in the( k1 P9 ?: ?/ W
beginning of this process.1 In the absence of a neg-3 D6 ?6 ]4 Q" S2 B4 T9 L4 [
ative initial history of androgen exposure, our: W3 ]" T. T4 M9 t9 t4 b% o
biggest concern was virilizing adrenal hyperplasia,
* F/ L7 e6 p* N1 ?. Q5 Teither 21-hydroxylase deficiency or 11-β hydroxylase9 t: L. f4 R7 X$ r7 v
deficiency. Those diagnoses were excluded by find-
2 ?- j/ G+ V# Ping the normal level of adrenal steroids.7 m" `: f* [9 _! n
The diagnosis of exogenous androgens was strongly$ O5 j! q5 U( N9 l- ^$ d' }, Y' z
suspected in a follow-up visit after 4 months because; X, j$ {( D2 M6 @
the physical examination revealed the complete disap-
0 i: ]1 Z( a5 F7 O/ G/ v* l. Apearance of pubic hair, normal growth velocity, and
$ a% w, j3 W" Sdecreased erections. The father admitted using a testos-) b8 j" w- o# {8 b
terone gel, which he concealed at first visit. He was6 K' g6 u0 H8 t9 |/ Z  N
using it rather frequently, twice a day. The Physicians’, i- ?7 `; t2 V9 x; b! ]
Desk Reference, or package insert of this product, gel or0 ]+ Q  T5 s$ d
cream, cautions about dermal testosterone transfer to
: G8 V8 p1 |" D6 tunprotected females through direct skin exposure.4 G1 L) X8 m9 L. c0 j& U/ c
Serum testosterone level was found to be 2 times the
0 v% Y  g) @3 X  R/ W) p  c( Wbaseline value in those females who were exposed to
# N- u: R1 w8 W+ Yeven 15 minutes of direct skin contact with their male
* f* x) ?3 o% Mpartners.6 However, when a shirt covered the applica-4 }0 h8 U" h6 E: c! u; b3 Z
tion site, this testosterone transfer was prevented.
+ e+ G! W3 r, z+ z% ZOur patient’s testosterone level was 60 ng/mL,7 F2 a0 F* |8 r( o
which was clearly high. Some studies suggest that; v+ e" G9 p: V
dermal conversion of testosterone to dihydrotestos-8 j- z  v) x; g# F4 F, E
terone, which is a more potent metabolite, is more1 K% K* f/ p; G( @$ f2 a
active in young children exposed to testosterone
2 @1 k' X6 P9 j5 Z2 b2 Dexogenously7; however, we did not measure a dihy-
' H8 g/ C/ {' S$ v0 C9 p% i/ S# Fdrotestosterone level in our patient. In addition to
$ S, j/ q1 x8 ^7 C8 f6 evirilization, exposure to exogenous testosterone in+ k& k8 e+ p3 H, e( I# \; L
children results in an increase in growth velocity and
& v; b& a: L4 p- u% h& @! qadvanced bone age, as seen in our patient.
# R  Q8 x& T* h) K. u7 Z$ L- ^2 hThe long-term effect of androgen exposure during
9 o  {0 w3 L9 x" s4 q2 J7 w4 ]early childhood on pubertal development and final
0 G1 s' |3 z( J$ I4 ~adult height are not fully known and always remain
/ x3 {- c3 a- e* a5 D2 ]( {a concern. Children treated with short-term testos-. \4 x% d# L6 y; f, H4 ]
terone injection or topical androgen may exhibit some
$ ^* ~8 O) T* P/ x+ J* xacceleration of the skeletal maturation; however, after( I; x4 R' K0 f6 P9 C
cessation of treatment, the rate of bone maturation
* d9 e: P& ?1 V0 M! fdecelerates and gradually returns to normal.8,98 k5 z! h# u; ~! s: `7 ^) ~
There are conflicting reports and controversy. f) q+ q/ i0 |1 L3 H/ |
over the effect of early androgen exposure on adult  F8 Y) {+ o3 o  p- b: E
penile length.10,11 Some reports suggest subnormal5 e' H2 Q+ A0 c& ~4 i, Q* D4 V
adult penile length, apparently because of downreg-& Z4 Q) I- |( S- ?/ B6 C
ulation of androgen receptor number.10,12 However,' Q% a# g3 {: d2 O9 o, ]7 \" J' v
Sutherland et al13 did not find a correlation between4 H+ c9 n' w* s4 t1 B
childhood testosterone exposure and reduced adult
4 }) s* `/ d" upenile length in clinical studies.! a4 `2 J3 @! @7 J7 A: H  f% s, c
Nonetheless, we do not believe our patient is" D6 Q) V8 [; D' W7 h4 g
going to experience any of the untoward effects from' g3 I! ^8 i) q2 g
testosterone exposure as mentioned earlier because  E  D! u. k# A, ?
the exposure was not for a prolonged period of time.; G6 U1 }' b7 k" c( T$ E8 a
Although the bone age was advanced at the time of+ g8 r" d$ J* Z3 w
diagnosis, the child had a normal growth velocity at" k! ^$ i0 ]0 ^4 J8 I
the follow-up visit. It is hoped that his final adult
# S8 d' C. y6 sheight will not be affected.
: C/ J+ h" O! U6 n. |Although rarely reported, the widespread avail-/ F- N6 f9 `2 v; p* Q: ?8 b0 j/ a5 y
ability of androgen products in our society may
- a5 v( H9 Y& P) Xindeed cause more virilization in male or female' ^/ `  Q3 F3 W. g4 K/ N7 L
children than one would realize. Exposure to andro-
  F  {, S/ q9 o; X8 ygen products must be considered and specific ques-/ L: o2 w, i( ^5 }! }& d8 A
tioning about the use of a testosterone product or6 d) s' l0 \6 D$ M- K- m, L! ~6 q
gel should be asked of the family members during
& A  x! q2 w- {/ U9 V; H7 K, Xthe evaluation of any children who present with vir-* }4 r% A4 I% a  f/ W( R8 e
ilization or peripheral precocious puberty. The diag-/ l( d' f% \1 e% e& a
nosis can be established by just a few tests and by
9 Q8 n% s5 |% M( z% eappropriate history. The inability to obtain such a- y( q0 V5 ]( d: Q. \
history, or failure to ask the specific questions, may. ^+ n/ N' [- `5 `
result in extensive, unnecessary, and expensive
/ ~: H; F* v$ @+ @8 U/ kinvestigation. The primary care physician should be
  `2 ~% g! `9 @" R1 h9 Raware of this fact, because most of these children
0 W7 t! f# b* ^1 f- l3 ?, xmay initially present in their practice. The Physicians’* D) f: N! e" Q6 k. V. W6 _% Z
Desk Reference and package insert should also put a% |- p" Y/ k; _; s- r3 N
warning about the virilizing effect on a male or
) a; ^9 f, w9 d5 J3 |female child who might come in contact with some-
# b$ ^; C, b9 M" X4 Mone using any of these products.
4 F% k/ D; u7 L/ Q. HReferences
* z7 u) i/ O$ c: q$ [1. Styne DM. The testes: disorder of sexual differentiation) c% c) Z6 X& z3 X- L8 O
and puberty in the male. In: Sperling MA, ed. Pediatric
: s: x% [: T9 l* [- `+ ^/ ~# M' _Endocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
1 g- y! K- |" O! Y3 j3 k! t2002: 565-628.. X# e( V4 U& g6 m6 r# h
2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious
6 l" F+ z6 R# i+ N% ^; E% Q* ~puberty in children with tumours of the suprasellar pineal
發表於 2025-1-4 03:27:02 | 顯示全部樓層
Sexual Precocity in a 16-Month-Old
: O5 ]9 h  f" Z6 X# E% n% W: QBoy Induced by Indirect Topical
5 F  c4 c. L* J5 GExposure to Testosterone: N8 n  i. J4 m- ^
Samar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2! B  k0 o' _! Y
and Kenneth R. Rettig, MD1/ x. G9 q# x" |% |
Clinical Pediatrics& w- U( e$ x& E* |( J/ m+ L: n
Volume 46 Number 6
" B$ ~7 ?, ^5 Z  O2 iJuly 2007 540-543
. y/ w& H3 R% B% J© 2007 Sage Publications- S" R/ s; H  k  C
10.1177/0009922806296651& E: T( x+ |2 u* N5 _
http://clp.sagepub.com4 B# E- J0 q0 B
hosted at- U, ]7 L+ Y8 N; j7 |0 v% Q
http://online.sagepub.com6 F4 H. D2 W5 j: ^" I
Precocious puberty in boys, central or peripheral,; F- H3 t0 a) t
is a significant concern for physicians. Central) F. [8 T- `* Q! x! O! ^! r9 Q
precocious puberty (CPP), which is mediated
6 r) H/ F, q1 ]4 Ithrough the hypothalamic pituitary gonadal axis, has2 o# ~9 `. ^2 u- g
a higher incidence of organic central nervous system
) ^+ a, r& |% Nlesions in boys.1,2 Virilization in boys, as manifested
3 t5 s& L/ k' o+ Hby enlargement of the penis, development of pubic9 t0 r5 _5 y) m3 i, v4 ^4 o, v6 M/ O
hair, and facial acne without enlargement of testi-
" y8 P5 V: U+ U6 H5 x4 Fcles, suggests peripheral or pseudopuberty.1-3 We) Y* J- z, x- t- z( T+ s
report a 16-month-old boy who presented with the
4 o# B0 Q2 q- r: i0 @4 l: |4 R: wenlargement of the phallus and pubic hair develop-" `4 c5 N+ K1 S9 {) j3 U0 R
ment without testicular enlargement, which was due
- l" V) o0 X, s( h5 R" nto the unintentional exposure to androgen gel used by; d+ W. i4 ?1 e! y, W" ~; G# k
the father. The family initially concealed this infor-: U' O( D% h- U$ z  Q6 I8 e9 E
mation, resulting in an extensive work-up for this# S" \9 @( j# ^1 B; `( J3 J$ l
child. Given the widespread and easy availability of- B+ {2 v2 w% p; r  ^
testosterone gel and cream, we believe this is proba-9 e8 n' L( N( @1 C* p
bly more common than the rare case report in the
+ x$ G  W. G! q. mliterature.47 }  t. ^, A6 y2 n8 D+ n! h( ?8 {+ @
Patient Report0 W9 T( ?7 i) u& j* \* d
A 16-month-old white child was referred to the' u, w$ N# i; @! |7 l2 P
endocrine clinic by his pediatrician with the concern" v$ H2 F/ g" q
of early sexual development. His mother noticed
7 k6 ]2 u& v$ Zlight colored pubic hair development when he was
2 E0 l! J9 j0 A0 G8 a, J! uFrom the 1Division of Pediatric Endocrinology, 2University of
& `3 S$ I; u0 N4 K$ F4 rSouth Alabama Medical Center, Mobile, Alabama.7 x8 y2 E% C8 q$ ]2 s" Z
Address correspondence to: Samar K. Bhowmick, MD, FACE,
8 ?+ s+ C( p" a* K+ J, P% nProfessor of Pediatrics, University of South Alabama, College of
- W  G' T, C  l4 @( dMedicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;$ O  |$ C: n  S% u5 A" X, W1 R
e-mail: [email protected].
5 F% r+ G+ [5 ]* Oabout 6 to 7 months old, which progressively became  q) B1 v8 L6 c) b* i" t- O
darker. She was also concerned about the enlarge-, Y3 O$ b6 F9 z! x, {8 g3 p( F
ment of his penis and frequent erections. The child
& Z" {+ E- ], o2 c" n5 Dwas the product of a full-term normal delivery, with5 O! }* s  g" {# V
a birth weight of 7 lb 14 oz, and birth length of! c5 p" X& A2 ]8 k) @) U
20 inches. He was breast-fed throughout the first year$ g7 z4 e) H( L; V
of life and was still receiving breast milk along with% Q* u: I. z# T7 g8 s! j; @( i
solid food. He had no hospitalizations or surgery,
$ W* Q+ x2 d/ B% aand his psychosocial and psychomotor development
3 l% p# {: J( c+ ^4 x. X. vwas age appropriate.
8 y/ `9 u9 h! QThe family history was remarkable for the father,
" G) T+ _4 H% l6 k& s6 k+ }who was diagnosed with hypothyroidism at age 16,$ ^' |& I# f8 }5 e% L7 P, c+ @3 H
which was treated with thyroxine. The father’s5 A7 a* X2 J; w0 E
height was 6 feet, and he went through a somewhat
) r) J0 {6 z. c7 R9 J/ P7 @, qearly puberty and had stopped growing by age 14.
) b5 B3 `. V8 n& t( XThe father denied taking any other medication. The
  |: E9 j) C. T, n6 z  C8 W9 M# uchild’s mother was in good health. Her menarche
5 y' U# C2 G! m$ {$ m/ awas at 11 years of age, and her height was at 5 feet7 b7 `4 N) P: H# A3 C
5 inches. There was no other family history of pre-# e7 d1 i9 M+ ~
cocious sexual development in the first-degree rela-
; d1 j) z  B/ m' O& itives. There were no siblings.1 E- T3 Y) g# p8 W( d" s9 @
Physical Examination: H6 g/ L% |6 [/ i
The physical examination revealed a very active,
# t. e. i4 S. d& F; }playful, and healthy boy. The vital signs documented
1 _$ V2 w! ~* w# z7 J' }$ Fa blood pressure of 85/50 mm Hg, his length was6 ?# ~0 i  F& L
90 cm (>97th percentile), and his weight was 14.4 kg
  }0 a& B! U( c(also >97th percentile). The observed yearly growth. i- F3 V3 s2 W
velocity was 30 cm (12 inches). The examination of( ~& s, k9 g0 B. B. k) T' N
the neck revealed no thyroid enlargement.
7 B/ i# L" }" g+ Z, SThe genitourinary examination was remarkable for
% j, p$ C- a' C2 n( Benlargement of the penis, with a stretched length of9 i8 V. r9 I% H/ O' ^& I
8 cm and a width of 2 cm. The glans penis was very well+ x1 [- K* `/ s9 T3 x, l
developed. The pubic hair was Tanner II, mostly around
0 q/ R$ W6 n4 P540
; v. c6 d- U. e$ uat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from  H$ f: J7 s( J' @# b" ^7 S# i
the base of the phallus and was dark and curled. The
$ X; f5 d; m  m: M8 Wtesticular volume was prepubertal at 2 mL each.
0 }/ L  w( B5 RThe skin was moist and smooth and somewhat
6 k4 _9 f* g' d, Y, O: T2 E, V1 _oily. No axillary hair was noted. There were no$ V1 i3 [0 F9 {0 f* E; n# K& s* y7 ]% c
abnormal skin pigmentations or café-au-lait spots.. Y3 S; w% D( Y: e- ^; t
Neurologic evaluation showed deep tendon reflex 2+3 ?/ V# e* A+ n
bilateral and symmetrical. There was no suggestion
2 ~% l3 X; k) K" y; U1 x# f$ K4 \! Lof papilledema.
9 D8 c) u- l7 Q' @: G5 vLaboratory Evaluation. x+ E9 K( R/ v# Q' P* z$ N& v
The bone age was consistent with 28 months by
' R+ k6 s' L* l) n' I6 kusing the standard of Greulich and Pyle at a chrono-: ~3 t8 {' M1 A$ n
logic age of 16 months (advanced).5 Chromosomal
  F. u% T" k3 h: ckaryotype was 46XY. The thyroid function test
, y1 e3 ~# N  a* Q- T4 |8 @showed a free T4 of 1.69 ng/dL, and thyroid stimu-
. O. R. |; E  t3 E3 ^lating hormone level was 1.3 µIU/mL (both normal).
: t. f1 T5 O* r2 I' l5 ~, OThe concentrations of serum electrolytes, blood
. F8 g& ?4 P3 r  Y8 t  S0 nurea nitrogen, creatinine, and calcium all were
. l( C( h5 T/ R0 X. |% l# i% I9 Bwithin normal range for his age. The concentration
7 y  I* q, m, i% ~+ nof serum 17-hydroxyprogesterone was 16 ng/dL
4 y- N2 O$ ^7 J(normal, 3 to 90 ng/dL), androstenedione was 203 f, v4 l2 x, `  Z: m" p' ]
ng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-
' T' j2 ^) Z0 y4 v: V( `: T' ?4 jterone was 38 ng/dL (normal, 50 to 760 ng/dL),
1 l' q' A  \" k+ Cdesoxycorticosterone was 4.3 ng/dL (normal, 7 to
, r  i# v5 B4 ~, C; f! N& Z49ng/dL), 11-desoxycortisol (specific compound S)- t0 V2 s. \9 G3 F
was 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-3 X# r2 j, e5 V% e
tisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total7 M8 ]$ r8 B6 A9 Y' ^- |8 c
testosterone was 60 ng/dL (normal <3 to 10 ng/dL),
( W3 U9 r( {  A2 yand β-human chorionic gonadotropin was less than% y1 d" Q% Y& d6 K/ A' @+ w0 Q
5 mIU/mL (normal <5 mIU/mL). Serum follicular* y' W& T" f8 b3 i  U
stimulating hormone and leuteinizing hormone4 B4 }6 i0 i, z7 O: v6 ]
concentrations were less than 0.05 mIU/mL, P3 h! q" I& m
(prepubertal)., I2 m( o, {( u8 x- y
The parents were notified about the laboratory7 n, i; u) j3 `7 o
results and were informed that all of the tests were7 A# N% P2 c( s: P0 f. F9 n% _) m
normal except the testosterone level was high. The
9 f- F5 i3 v& g( K# g& S, Tfollow-up visit was arranged within a few weeks to9 @6 Z, W* K' i3 f$ F
obtain testicular and abdominal sonograms; how-9 z& u8 `6 b# Z# F& S5 H, L
ever, the family did not return for 4 months.
6 a) S5 y+ d( s. v& s6 NPhysical examination at this time revealed that the
0 O( h4 @+ W+ ^( @child had grown 2.5 cm in 4 months and had gained! @+ D" x& ~( R
2 kg of weight. Physical examination remained& L7 ~# h4 H5 p# P' S: x) m
unchanged. Surprisingly, the pubic hair almost com-* m& W8 _1 Q! h
pletely disappeared except for a few vellous hairs at6 `# G7 D( [$ H0 N3 V: C* `0 c
the base of the phallus. Testicular volume was still 22 E; w' x' b+ t6 U0 |; |7 i" E4 j
mL, and the size of the penis remained unchanged., G) _$ {( K* d( `! k2 |& x, H( \
The mother also said that the boy was no longer hav-
; r% k7 m8 x+ G/ s! I3 @0 P& T$ ling frequent erections.
$ e% Z: t9 j+ [Both parents were again questioned about use of
5 z$ g8 @' C& N7 S9 z  d& i1 j8 |any ointment/creams that they may have applied to" P+ r/ ?; k2 m- t1 J
the child’s skin. This time the father admitted the
- ]* L, l- I) }0 n% ^: oTopical Testosterone Exposure / Bhowmick et al 541+ n0 Y5 V) E) t& D6 @/ X
use of testosterone gel twice daily that he was apply-
1 D  P+ |! ]" ]! Eing over his own shoulders, chest, and back area for7 n0 R; ]9 A/ T2 ?
a year. The father also revealed he was embarrassed6 K- Y' t, _2 E
to disclose that he was using a testosterone gel pre-
5 ]' |* s0 ], s$ A% {% bscribed by his family physician for decreased libido1 p: m$ f' B9 G9 h6 |3 l
secondary to depression.
" H* s4 Z& [( T- p' ^5 w5 M! aThe child slept in the same bed with parents.
2 }0 m5 @. |: `/ h' MThe father would hug the baby and hold him on his9 o9 q9 k7 W6 g- D- ]$ q
chest for a considerable period of time, causing sig-. J  M; s1 K8 d$ c% ]" e! W3 ^$ ]
nificant bare skin contact between baby and father.
; c# c$ r& B8 Q3 PThe father also admitted that after the phone call,% q# O: Z! ~) o+ d; Q
when he learned the testosterone level in the baby
4 a( |9 x1 j( m8 ]1 g4 Dwas high, he then read the product information% C1 W* ^5 \6 {/ \
packet and concluded that it was most likely the rea-3 ?9 v- o( `# ], J
son for the child’s virilization. At that time, they
0 i; @8 B7 i% H: odecided to put the baby in a separate bed, and the
  N9 U! e6 z( n! S! ufather was not hugging him with bare skin and had: }( e& d) l6 [* u- p) B6 Y( {( k
been using protective clothing. A repeat testosterone
; H% D1 `/ {2 s/ I  Dtest was ordered, but the family did not go to the
2 {. b( T7 n, g) d! F! rlaboratory to obtain the test.
3 _, _5 S9 w% j  ?6 \Discussion
* z" T4 R5 P% b4 J! }& o2 f! m/ PPrecocious puberty in boys is defined as secondary
7 V1 A& q- M2 s# ?! f* ^' csexual development before 9 years of age.1,4  N. J; N' E7 F  f
Precocious puberty is termed as central (true) when
( Z8 }; {& s  S1 E1 ^) iit is caused by the premature activation of hypo-0 U0 o/ {& O5 n3 s+ i2 F
thalamic pituitary gonadal axis. CPP is more com-
% |. E( q( t0 m+ s' vmon in girls than in boys.1,3 Most boys with CPP
/ j! e6 |, }3 }; I# J% [may have a central nervous system lesion that is
! u0 p- A- v- a# w& w$ d. c6 q: ]responsible for the early activation of the hypothal-& ^3 k0 r/ b, b2 I* d( J: P
amic pituitary gonadal axis.1-3 Thus, greater empha-
" `$ u6 _4 t# G/ ^( {3 F: {. C) msis has been given to neuroradiologic imaging in
8 Y# _2 v  P, y* v9 e( I$ sboys with precocious puberty. In addition to viril-- o" }4 K$ \6 x7 a- p! M1 s
ization, the clinical hallmark of CPP is the symmet-
) F3 D9 K& p: Q/ |/ ?1 {2 krical testicular growth secondary to stimulation by
0 A4 J2 I0 A# V! j0 ^: Hgonadotropins.1,3
9 \" ?$ I" i# w5 lGonadotropin-independent peripheral preco-
) P; {, O- q/ k: y2 ycious puberty in boys also results from inappropriate* y8 n+ g8 E& d' P' k+ {( g
androgenic stimulation from either endogenous or7 U7 G; `+ H  D& A' X& L
exogenous sources, nonpituitary gonadotropin stim-
; M% L! J, H( I3 i, {; V6 O; @ulation, and rare activating mutations.3 Virilizing: F: ?% L- u" w5 u% z( b$ S
congenital adrenal hyperplasia producing excessive+ h( ^% C6 ~! y1 P
adrenal androgens is a common cause of precocious
' F8 L6 g0 F  G, f  c5 {4 ?puberty in boys.3,44 S6 v! W+ o6 Z2 F+ i- O
The most common form of congenital adrenal
( W9 X; n) s) j( W/ m/ j2 D5 Khyperplasia is the 21-hydroxylase enzyme deficiency.# t/ J+ r. G* X" c
The 11-β hydroxylase deficiency may also result in% N1 f6 N' k) t2 F
excessive adrenal androgen production, and rarely,* g4 h; v! K2 v( N8 a
an adrenal tumor may also cause adrenal androgen7 `2 n/ G* u. f
excess.1,30 p- f% l/ e' v! D/ H
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
1 Z: f) S8 q6 o, H  w8 b1 m3 w542 Clinical Pediatrics / Vol. 46, No. 6, July 2007! [$ J7 S. j' ]( c. F
A unique entity of male-limited gonadotropin-
! _% P- B+ U: U. ~; B5 Sindependent precocious puberty, which is also known
& l  \% y4 K! p' M3 cas testotoxicosis, may cause precocious puberty at a
- C3 o+ t) i7 \8 E: D& ^6 Zvery young age. The physical findings in these boys5 C" a1 [% d# t  n
with this disorder are full pubertal development,
  g# r. _" ^3 n2 {$ \including bilateral testicular growth, similar to boys
% h8 r- h& `0 A' x' b1 @with CPP. The gonadotropin levels in this disorder% p* p; |' s7 A- {+ t4 T
are suppressed to prepubertal levels and do not show
9 h" _. f3 }$ R5 T. x3 S( ]) npubertal response of gonadotropin after gonadotropin-! i2 y0 r" q" I) y+ K. b, O* k) `
releasing hormone stimulation. This is a sex-linked
! n: J( T2 ?' m' s5 p  hautosomal dominant disorder that affects only# Z6 K) H' j/ E) q, l
males; therefore, other male members of the family
, c% V& Z9 B2 Lmay have similar precocious puberty.32 v+ V8 w, m4 n* a- i6 Z( y
In our patient, physical examination was incon-0 v6 g0 U; b) @+ {) {( {2 s
sistent with true precocious puberty since his testi-! T/ g" x9 y8 S  K) ~4 _6 G5 b
cles were prepubertal in size. However, testotoxicosis1 a5 _& A" R7 e) j
was in the differential diagnosis because his father
( N) s8 @4 a8 D, }2 d  lstarted puberty somewhat early, and occasionally,; ~. w% |& h; v/ k0 }% ~
testicular enlargement is not that evident in the
4 E: c, n" _" b! r! u6 o9 Hbeginning of this process.1 In the absence of a neg-  `9 q0 Z/ l# V3 ~/ W# |
ative initial history of androgen exposure, our
7 Q5 S$ }+ W7 X$ D9 ?biggest concern was virilizing adrenal hyperplasia,
: r0 A; m( j# S. Y% h% |% V3 beither 21-hydroxylase deficiency or 11-β hydroxylase
+ C6 z8 M3 T/ U' w! M. }* a) Jdeficiency. Those diagnoses were excluded by find-
9 q  B# q9 z' P3 ~2 K, ?ing the normal level of adrenal steroids.5 E- C5 A1 F( b
The diagnosis of exogenous androgens was strongly
8 e) f" [( A- c# ksuspected in a follow-up visit after 4 months because
1 I2 Z0 P" R  W- m, mthe physical examination revealed the complete disap-2 `8 |2 ~. I; A& T0 m
pearance of pubic hair, normal growth velocity, and  y3 A, k$ }& F$ F( U/ P
decreased erections. The father admitted using a testos-% l8 R3 S- e0 [  q* E+ F0 o
terone gel, which he concealed at first visit. He was7 D/ Q. s; a7 X
using it rather frequently, twice a day. The Physicians’
. N# Y5 C4 U: K# ~Desk Reference, or package insert of this product, gel or
+ f0 F; H) ~$ ^! _5 E+ ucream, cautions about dermal testosterone transfer to1 I2 r2 R- T4 \& a; }  n
unprotected females through direct skin exposure.
$ q" ~4 O0 B) H6 e9 q8 |8 gSerum testosterone level was found to be 2 times the4 [9 H: ]7 H; b' g7 N
baseline value in those females who were exposed to
$ H# M/ M, ^9 V; T4 Q6 Geven 15 minutes of direct skin contact with their male# Z7 q8 W& d* G: s( g* f" k! T
partners.6 However, when a shirt covered the applica-
' {0 T- w% k5 k  A, Z4 h* y! ction site, this testosterone transfer was prevented.2 A- |7 T6 F. U3 ^# k3 y
Our patient’s testosterone level was 60 ng/mL,
" U& |- B4 u) K$ \7 X# ]6 Ewhich was clearly high. Some studies suggest that
& @1 p6 H* d& bdermal conversion of testosterone to dihydrotestos-! }0 P& O- N+ }, M
terone, which is a more potent metabolite, is more) G: Y; q+ A: B& \
active in young children exposed to testosterone$ U: V3 J# A0 t7 d5 v, |. W
exogenously7; however, we did not measure a dihy-
2 M, M9 w* k6 [  n. Y) W+ y' Z3 c0 hdrotestosterone level in our patient. In addition to* |. j! l) _  ^+ ^: t# a
virilization, exposure to exogenous testosterone in
6 Y: B! l- B, l8 A  mchildren results in an increase in growth velocity and7 P- q0 ^, W4 }# F% p% x
advanced bone age, as seen in our patient.
3 A7 D8 R' x. V6 u3 GThe long-term effect of androgen exposure during
6 X$ b9 ]  O( G/ ?early childhood on pubertal development and final  F8 p+ @8 |( b
adult height are not fully known and always remain3 s5 O7 ?+ g8 f
a concern. Children treated with short-term testos-
6 X: v; Y3 W' {terone injection or topical androgen may exhibit some* w; S6 @  ]& V* M" Q! o
acceleration of the skeletal maturation; however, after1 o  z& L9 }7 ?. H& j) M1 i0 _$ d
cessation of treatment, the rate of bone maturation6 F3 W; _; r6 [+ a$ Y8 Q2 j
decelerates and gradually returns to normal.8,9
- }; L( m. I4 g7 n! eThere are conflicting reports and controversy& \5 P# P' t3 R( k
over the effect of early androgen exposure on adult0 T5 ?- u4 f' X
penile length.10,11 Some reports suggest subnormal
$ v# L6 X! F* n" m3 uadult penile length, apparently because of downreg-5 x* x6 f) s9 U* w
ulation of androgen receptor number.10,12 However,4 R: v* D- a1 o- d
Sutherland et al13 did not find a correlation between
7 f& w( I) e1 u7 kchildhood testosterone exposure and reduced adult
$ G+ N* z& b. r$ e, a  ]penile length in clinical studies.. ]% B2 s/ H: n6 K' p, n
Nonetheless, we do not believe our patient is1 {2 C7 n7 D! K3 D
going to experience any of the untoward effects from8 |" Y, W* Z7 [  {
testosterone exposure as mentioned earlier because8 ]  @  X+ R0 J0 g+ w9 o% I
the exposure was not for a prolonged period of time.' d8 c" b4 T% t
Although the bone age was advanced at the time of) t4 n  T$ W* ?* n. G
diagnosis, the child had a normal growth velocity at) ^* {$ D: g' z9 E, \# {
the follow-up visit. It is hoped that his final adult5 x6 `7 V5 ?  p4 P3 D0 {$ `
height will not be affected.
6 X( {( F6 _4 u; m4 UAlthough rarely reported, the widespread avail-
& x8 i: _  Y, d  X, I$ zability of androgen products in our society may
3 k$ h6 B: V0 t4 o1 `% f; |indeed cause more virilization in male or female
) ~4 z8 x5 W) z9 ^children than one would realize. Exposure to andro-; l5 f/ a2 o3 P0 {0 H+ T  ?+ k- ?! w
gen products must be considered and specific ques-
, s$ {  d1 l5 {  Q7 Ntioning about the use of a testosterone product or
5 ]/ _4 s! r; Bgel should be asked of the family members during$ ?; T  g; G$ `
the evaluation of any children who present with vir-# U4 j' [0 v+ \
ilization or peripheral precocious puberty. The diag-2 `% U  o( ^3 b5 s3 _: N! R3 P
nosis can be established by just a few tests and by3 w* T1 ~4 x/ h- G' _; a! Q1 m
appropriate history. The inability to obtain such a
  I3 {7 V  ^) l% khistory, or failure to ask the specific questions, may
4 G/ s; x8 X$ j( Uresult in extensive, unnecessary, and expensive$ ^( R' M, @6 I9 j  j; o
investigation. The primary care physician should be; ~% V: c, E- i" r  D" ?" g
aware of this fact, because most of these children- [& c) Q1 V9 ~+ E
may initially present in their practice. The Physicians’
  [7 N: k) q; ~& [" z6 w! CDesk Reference and package insert should also put a
" C4 i9 K3 {  Pwarning about the virilizing effect on a male or, `( `' L" e) E2 q- q( s3 L2 T
female child who might come in contact with some-
1 ^5 E% G$ @( ^% v1 \$ `& f' ?6 H: Aone using any of these products.
. O# h) r% [% d' O2 h8 n' _References6 M# P* O  d% x
1. Styne DM. The testes: disorder of sexual differentiation
/ F( r! ^) V' Q4 xand puberty in the male. In: Sperling MA, ed. Pediatric
8 A% }* q5 p; _Endocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
+ M4 R5 i% L. E5 A, A2 |) U, f! G7 }6 `2002: 565-628.+ ?5 g& a1 W" {+ P, s4 j/ M! |! j. w
2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious: H6 Z4 w9 j# C. X% N2 @! v
puberty in children with tumours of the suprasellar pineal
發表於 2025-1-11 22:18:01 | 顯示全部樓層
女厕偷拍辅导班主任尿尿老师的逼很嫩还有一点
發表於 2025-1-17 16:31:39 | 顯示全部樓層
4个什么样的?
發表於 2025-1-19 02:41:05 | 顯示全部樓層
2 S2 z$ B6 `# }% M  Q
精妙絕倫的精品,感謝啊!期待你更多更好的創作哦!
發表於 2025-3-11 12:31:56 | 顯示全部樓層
么好吧v进化过程就回国参加发uft成就和;哦i回来就好v科技股份兄弟人的 路由公开vu个v库每年b
發表於 2025-4-8 11:10:25 | 顯示全部樓層
精妙絕倫的精品,感謝啊!期待你更多更好的創作哦!
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