153 results
ACTH
LH
Cholesterol
cholesterol desmolase
Pregnenolone
17a-hydroxylase 17 Hydroxyregnenolone
17,20-lyase
3B-hydroxysteroid
dehydrogenase
3B-hydroxysteroid
dehydrogenase
17a-hydroxylase
#Progesterone
17-Hydroxyprogesterone
17,20-lyase
21ß-hydroxylase
21ß-hydroxylase
11-Deoxycorticosterone
11-Deoxycortisol
11ß-hydroxylase
11ß-hydroxylase
#Cortisol
#Dehydroepiandrosterone
#DHEA
3ß-hydroxysteroid
dehydrogenase
个
#Androstenedione
#17B-hydroxysteroid
#dehydrogenase
#Testosterone
#aromatase
#FSH
#Estradiol
#5a reductase
#Corticosterone
aldosterone synthase
#Aldosterone
Angiotensin ||
#Dihydrotestosterone
(DHT)
#aromatase #FSH ... #Estradiol #5a
Bilateral Winged Scapula on Physical Exam - Seen in Facioscapulohumeral Muscular Dystrophy (FSH, FSHD)

#Bilateral #Winged #Scapula
Muscular Dystrophy (FSH ... , FSHD) #Bilateral ... Muscular #Dystrophy #FSH ... #FSHD #clinical
Primary Amenorrhea Differential Diagnosis Framework

Workup:
 • β-HCG, TSH and PRL
 • Breast Tanner Staging
 • FSH,
Workup: • β-HCG, TSH ... Tanner Staging • FSH
Diagnosis of Primary Amenorrhea
A diagnostic approach to primary amenorrhea. (FSH = follicle-stimulating hormone; LH = luteinizing
(FSH = follicle-stimulating ... luteinizing hormone; TSH
A diagnostic approach to secondary amenorrhea. (DHEA-S = dehydroepiandrosterone sulfate; FSH = follicle-stimulating hormone; LH =
dehydroepiandrosterone sulfate; FSH ... resonance imaging; TSH
Causes of Female and Male Infertility - Differential Diagnosis Algorithm
Causes of Female Infertility:
 • Uterus -
• Increased FSH ... • Decreased FSH ... • Decreased FSH ... hypogonadism) Low FSH ... problem) High FSH
Menstrual Cycle Physiology: Ovarian Cycle – Follicular Phase Explained
Early Follicular Phase (Days 0-5)
 • Granulosa cells
hormone that 1) Incr FSH ... pituitary, 2) Incr FSH ... which would reduce FSH ... Resulting high FSH ... responsive to FSH
Causes of Primary and Secondary Amenorrhea - Differential Diagnosis Algorithm
Primary Amenorrhea - No onset of menarche
Etiology - High FSH ... Ovarian - Normal FSH ... Ovarian - High FSH ... challenge, Low FSH
Sellar / Pituitary Mass - Differential Diagnosis Algorithm
Adenoma - Primary Anterior Pituitary
 - Secreting
• ACTH • TSH ... • LH/FSH
Menstrual Cycle Physiology: Ovarian Cycle – Brief Overview
LH and FSH are required for follicular development and
Overview LH and FSH ... follicle - FSH ... produced -> Inhibit FSH