14 results
Rheumatoid Arthritis Summary
MCP and PIP Involvement, Spares DIP, Carpal Tunnel, Sicca Syndrome, Epi/Scleritis, Heart Disease, Rheumatoid
Rheumatoid Arthritis ... Involvement, Spares DIP, Carpal ... Tunnel, Sicca Syndrome ... RA #diagnosis #rheumatology ... #signs #symptoms
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... functional deficit and arthritis ... "pooping duck sign ... distal to distal ulna ... , pain with wrist
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Positive pathergy test ... is a skin prick test ... #diagnosis #management ... #signs #symptoms ... #rheumatology #
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Macrophage Activation ... juvenile idiopathic arthritis ... Liver function tests ... #Management #Hematology ... #Rheumatology
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Rheumatoid arthritis ... Pathogenesis and Joint diseases ... small joints (wrists ... boggy" joints, esp carpal ... Boutonniere's ulnar
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
, inflammatory arthritis ... Non-autoimmune rheumatologic ... pain • Swan neck/Ulnar ... Chronic B-cell activation ... Erythematosus #Diagnosis #Rheumatology
Pseudogout Summary - Calcium Pyrophosphate Deposition Disease (CPPD)

Pathophysiology:
Pyrophosphate produced by chondrocytes likely precipitates with calcium to
joints (shoulders, wrists ... often involves the wrists ... Crowned Dens Syndrome ... #Rheumatology # ... diagnosis #management
Amyloidosis - Summary
Group of disorders associated with extracellular deposition of fibrils formed from low-molecular-weight proteins in
osteomyelitis, Rheumatoid arthritis ... the extent of disease ... arthropathy • Carpal ... tunnel syndrome ... Inflammation → Macrophage activation
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
and often causes arthritis ... • Cogan Syndrome ... purpura: strong sign ... retinopathy Lab Tests ... differential #diagnosis #rheumatology
Hand X-Ray Anatomy and Interpretation Checklist
1. Soft tissues - Look carefully at the soft tissue over
into the hand and wrist ... of arthritis. ... the radius and ulna ... proximal to the carpal ... rheumatological diseases