2255 results
Hypogonadism Differential Diagnosis Algorithm
 • Low testosterone, Normal or low LH, Normal or low FSH -
Hypogonadism Differential ... Normal or low FSH ... Normal LH, Normal FSH ... Normal LH, Elevated FSH ... #Hypogonadism #Differential
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
Causes of Female and Male Infertility - Differential Diagnosis Algorithm
Causes of Female Infertility:
 • Uterus -
Infertility - Differential ... • Increased FSH ... • Decreased FSH ... • Decreased FSH ... #Infertility #Differential
Feedback Loop: Prolactin (PRL)
 • PRL levels exhibit diurnal, menstrual, and age-related variation
 • TRH has
secretion -> Decr FSH ... females, Decr testosterone
Anemia - Underproduction Diagnostic Algorithm
 - Iron deficiency anemia
 - Anemia of chronic inflammation
 - Anemia
TSH, LFTs, +/- testosterone ... hematology #diagnosis #differential
Gynecomastia - Differential Diagnosis a
nd Workup Algorithm
Gynecomastia is common in clinical practice, affecting ~50% of males
Gynecomastia - Differential ... LFTs, Prolactin, Testosterone ... #Gynecomastia #Differential
Causes of Primary and Secondary Amenorrhea - Differential Diagnosis Algorithm
Primary Amenorrhea - No onset of menarche
Secondary Amenorrhea - Differential ... Etiology - High FSH ... Ovarian - High FSH ... challenge, Low FSH ... Secondary #Amenorrhea #Differential
Hirsutism & Virilization - Differential Diagnosis Algorithm
ADRENAL EXCESS
Ovarian
 • Polycystic Ovarian Syndrome
 • Hyperthecosis
 • Tumor
Adrenal
Virilization - Differential ... Medications • Testosterone ... #Virilization #Differential
Exogenous Testosterone Side Effects
 • Mood disorder, Depression, Aggression
 • ↑ Erythropoiesis
 • Hypogonadism +/-BPH, prostate
Exogenous Testosterone ... #Exogenous #Testosterone
Gynecomastia - Differential Diagnosis Algorithm
No Testicular Mass on Ultrasound
 • Adrenal Neoplasm
 • Increased Extraglomerular Aromatase
Gynecomastia - Differential ... Hyperthyroidism Increased Testosterone ... Resistance Decreased Testosterone ... #Gynecomastia #Differential