47 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... child-bearing age ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #Comparison #Table
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Diagnosis Algorithm ... - Bimodal Age ... Most common, Wide age ... Amy Chung, MD, MSc ... Classification #pathophysiology
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Pathogenesis and Clinical ... MeralgiaParesthetica #MSK ... #pathophysiology ... #differential # ... diagnosis #signs
Etiologies of Hypoaldosteronism

Hyporeninemic Hypoaldosteronism (Low Renin, Low Aldosterone)
 - Diabetic Nephropathy 
 - NSAIDs
Non-Hyporeninemic Hypoaldosteronism (Normal
Aldosterone) - ACE ... insufficiency - Critical ... Hypoaldosteronism #Differential ... #Diagnosis #Renin ... #Aldosterone #Comparison
Humoral Immunity - Pathogenesis and Clinical Findings
Antigens (Ag) are produced from pathogens (bacteria, viruses, fungi, parasites)
Pathogenesis and Clinical ... ) are produced from ... to CD4+ helper ... proliferate and differentiate ... Humoral #Immunity #pathophysiology
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Non-Hodgkin's Lymphoma - Comparison ... Increases with age ... Diagnosis of B-Symptoms ... #oncology #diagnosis ... #differential #
Dermatomyositis (DM) and Polymyositis (PM): Pathogenesis and clinical findings
Elevated Antinuclear Antibodies: Anti-Jo-1, Anti-OJ, Anti-Mi2, Anti-SRP, Anti-EJ,
Pathogenesis and clinical ... :1 - Bimodal age ... regeneration, diffuse CD8 ... Polymyositis #PM #Diagnosis ... #Pathophysiology
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gouty Arthritis) - MSK ... These are CLASSIC ... - **MSK rads ... Differential diagnosis ... #msk #rheumatology
Subtrochanteric Femur Fracture: Pathogenesis and clinical findings
 • Subtrochanteric region spans 5 cm distally from the
Pathogenesis and clinical ... Femur #Fractures #msk ... #orthopedics #diagnosis ... #differential # ... causes #pathophysiology
Achilles Tendon Rupture - Pathogenesis and clinical findings
 • The Achilles tendon is 15cm long in
Pathogenesis and clinical ... tendon ruptures are ... TendonRupture #diagnosis ... signs #symptoms #pathophysiology ... #msk #orthopedics