2881 results
Causes of Diffuse and Localized Lymphadenopathy - Differential Diagnosis Algorithm
 • Reactive (Inflammatory / Infectious)
 •
Causes of Diffuse ... Leukemia, Lymphoma, Metastatic ... Diagnosis #Algorithm #Causes
Causes of Hypercalcemia - Differential Diagnosis Algorithm
 • Primary Hyperparathyroidism 
 • Possible Familial Hypocalciuric Hypercalcemia
Causes of Hypercalcemia ... Myeloma, Osteolytic Metastasis ... Diagnosis #Algorithm #Causes
Causes of Headache - Differential Diagnosis Algorithm
Primary: Tension, Migraine, Cluster
Extracranial: Medications, Sinusitis, TMJ disorder, Cervicogenic, Glaucoma,
Causes of Headache ... Tumor: Primary, Metastatic ... Differential #Diagnosis #Causes
Causes of SVC Syndrome - Differential Diagnosis Framework
 • Benign (15-40%): Thrombosis (aka catheter-associated), Goiter, Fibrosing
Causes of SVC Syndrome ... Thyroid Cancers, Metastatic
Proptosis - Differential Diagnosis - Unilateral vs Bilateral
Unilateral:
 • Infections (can become bilateral with cavernous sinus
Neoplasms - Metastatic ... Neoplasm - Metastatic ... Unilateral #Bilateral #Causes
Neck Mass - Differential Diagnosis Framework
Inflammatory:
 • Viral (reactive): EBV, HIV
 • Bacterial: Staph/Strep, Tularemia, Brucella
Neurogenic • Metastatic ... Differential #Diagnosis #causes
Causes of Portal Hypertension According to Site of Vascular Obstruction
1) Prehepatic pre-sinusoidal: Portal vein thrombosis due
Causes of Portal ... regenerative hyperplasia, Metastatic ... differential #diagnosis #causes
Differential Diagnosis for Generalized Lymphadenopathy

Viral
• HIV 
• EBV 
• CMV 
• HBV 
• Dengue 
• Rubella
• Leukemia • Metastatic ... Differential #Diagnosis #Causes
Cystic Lung Disease
Upper Lobe Predominant: 
Langerhans Cell Histiocytosis, Pneumocystis Jiroveci, Hypersensitivity Pneumonitis, Neurofibromatosis Type 1, Paracoccidioidomycosis,
Cystic Pulmonary Metastatic ... differential #diagnosis #causes
Causes of Terminal Ileitis - Differential Diagnosis
 • Infectious: Yersinia spp., Salmonella spp., C.diff, Neutropenic colitis,
Causes of Terminal ... Lymphoma, Carcinoid, Metastasis ... Differential #Diagnosis #Causes