111
a
c
b
d
Fig. 4.1 ( a ) A 16-year-old girl with moon facies, acne, lanugo hair, and facial plethora ( b ) Typical wide
violaceous striae. ( c ) CEMRI sella showing hypointense lesion measuring 4.8 × 4 mm ( red arrow ). ( d )
Regression of Cushingoid features after 3 months of transsphenoidal surgery in the same patient
Results of inferior petrosal sinus sampling after human CRH (100 μg) stimulation
Time
(min)
Right central
(RC) ACTH
(pg/ml)
Left central
(LC) ACTH
(pg/ml)
Peripheral
(P) ACTH
(pg/ml)
RC/P
ACTH
ratio
RC/LC
ACTH
ratio
RC/LC-PRL-
adjusted
ACTH ratio
0 75.65 17.29 19.81 3.81 4.37 1.38
2 1516.2 25.55 27.92 54.30 59.34 4.27
3 770.2 41.41 30.55 25.21 18.59 0.94
5 614.0 41.90 51.69 11.87 14.65 0.92
15 701.4 33.54 36.33 19.30 20.91 1.54
4 Childhood Cushing’s Syndrome