259 results
Hyperaldosteronism - Etiologies of Mineralocorticoid Excess

Primary Hyperaldosteronism (Normal or Low Renin, High Aldosterone) 
 - Aldosterone-secreting
Aldosterone-secreting tumor ... Renin-secreting tumor ... #Differential #Diagnosis ... Aldosterone #Comparison #Table
Gastric Neuroendocrine Tumor (NET) Types
Type 1 - Chronic atrophic gastritis and pernicious anaemia
Type 2 - Zollinger
Neuroendocrine Tumor ... Neuroendocrine #Tumor ... oncology #comparison #table
Malignant Bone Tumors: Pathogenesis of X-ray appearance

 • Metastatic bone tumors (aka. cancerous cells from systemic
Malignant Bone Tumors ... Signs/Symptoms: ... between bone and tumor ... around the bone tumor ... Malignant #Radiology #Diagnosis
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis vs Tumor ... /- rasburicase Tumor ... Pathophysiology: Lysis of tumor ... rate or large tumor ... #Leukostasis #Tumor
Mediastinal Mass - Differential Diagnosis Framework

Anterior Mediastinal Mass - 5T’s
 • Thymic neoplasm
 • Teratoma (or
other germ cell tumor ... Bronchogenic cyst/Tumor ... • Bronchogenic tumor ... • Neurogenic tumor ... Mediastinal Mass Symptoms
Hyperkalemia - Differential Diagnosis - Impaired Excretion vs Redistribution

Impaired Urinary Excretion 
 - Renal failure
 -
- Differential Diagnosis ... Cell Lysis - Tumor ... #Differential #Diagnosis ... #Table
Causes of Peripheral Weakness with Sensory Changes - Differential Diagnosis Algorithm
Radiculopathy:
 • Disc
 • Spondylosis
 •
- Differential Diagnosis ... Spondylosis • Tumor ... • Trauma • Tumor ... • Diabetes • Tumor ... #Differential #Diagnosis
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
allele of RB1 tumor ... allele of RB1 tumor ... Retinoblastoma Signs / Symptoms ... ophthalmology #diagnosis ... #signs #symptoms
Gynecomastia - Differential Diagnosis Algorithm
No Testicular Mass on Ultrasound
 • Adrenal Neoplasm
 • Increased Extraglomerular Aromatase
- Differential Diagnosis ... • Leydig Cell Tumor ... • Sertoli Cell Tumor ... Prolactin • Non-Tumor ... #Differential #Diagnosis
Causes of Back Pain - Differential Diagnosis Algorithm
Always assess for red flags. If no red flags,
- Differential Diagnosis ... constitutional symptoms ... • Fracture • Tumor ... Unresolved Radicular Symptoms ... #Differential #Diagnosis