153 results
Hirsutism & Virilization - Differential Diagnosis Algorithm
ADRENAL EXCESS
Ovarian
 • Polycystic Ovarian Syndrome
 • Hyperthecosis
 • Tumor
Adrenal
Polycystic Ovarian Syndrome ... Hyperthecosis • Tumor ... • Cushing's Syndrome ... Tumor Low Serum ... Diagnosis #Algorithm #endocrinology
Gynecomastia - Differential Diagnosis Algorithm
No Testicular Mass on Ultrasound
 • Adrenal Neoplasm
 • Increased Extraglomerular Aromatase
• Leydig Cell Tumor ... • Sertoli Cell Tumor ... Klinefelter's Syndrome ... • Kallman's Syndrome ... Algorithm #causes #endocrinology
Adrenal Incidentalomas: Hormone Evaluation
 • Zona Glomerulosa: Primary Hyperaldosteronism?
    - Aldosterone and renin
Fasciculata: Cushing Syndrome ... for those with tumor ... mendesthiagob #Adrenal #Tumors ... Diagnosis #workup #endocrinology
Tall Stature - Differential Diagnosis Algorithm

Normal Growth (BA=CA)
 • Familial Tall Stature
 • XYY Syndrome
Obese BMI
Stature • XYY Syndrome ... Puberty • Adrenal Tumor ... • Ovarian Tumor ... • XYY Syndrome ... Diagnosis #Algorithm #endocrinology
Hypoglycemia Workup and Differential Diagnosis
Workup:
 • Sulfonylurea Labs
 • Anti-lnsulin Ab - Insulin Autoimmune Syndrome
 •
Insulin Autoimmune Syndrome ... Non-islet cell tumor ... with high tumor ... • Non-lslet Tumor ... Diagnosis #insulinoma #endocrinology
Adrenal Insufficiency - Differential Diagnosis Workup Algorithm
Primary Adrenal Insufficiency:
 • Autoimmune primary adrenal insufficiency
 • Adrenoleukodystrophy,
disorder • CAH, tumor ... • Infiltrative tumor ... Workup #Algorithm #endocrinology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis vs Tumor ... WBC >100k, + lab signs ... /- rasburicase Tumor ... rate or large tumor ... #Leukostasis #Tumor
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
allele of RB1 tumor ... allele of RB1 tumor ... Retinoblastoma Signs ... pathophysiology #ophthalmology ... #diagnosis #signs
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
• Optic Nerve Tumor ... Midbrain (Parinaud's Syndrome ... ): • Tumor • ... Algorithm #Causes #Ophthalmology
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
, Orbital apex syndrome ... URGENT: Brainstem tumor ... Miller-Fisher syndrome ... differential #diagnosis #ophthalmology