10 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... to distal ulna, ... pain with wrist ... radius or ulna ... #XRay #Diagnosis
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... to diagnosis scapholunate ... ("Terry Thomas sign ... associated injuries: distal ... #Radiology #XRay
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Pathogenesis and Joint diseases ... Swelling notable on Xray ... Boutonniere's ulnar ... #pathophysiology ... #diagnosis
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
CPPD vs Gout ... joints (shoulders, wrists ... • Underlying disease ... states Pathophysiology ... Arthritis: Resembles RA
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
mass and NO prior signs ... ON THE X-RAY! ... Inflammatory Arthritides (RA ... , CPPD) - Can have ... diffuse chondral disease
Arthritis of the Hand - Arthritis Patterns

Osteoarthritis:
• Osteoarthritis of the hand usually involves the DIP and
nodes - DIP • XRAY ... subluxation causing ulnar ... = RA • 2nd & 3rd ... Polyarticular gout ... patterns #hand #diagnosis
Pseudogout: pathogenesis and clinical findings
 - Idiopathic (vast majority of cases) -> Mechanism unknown
 - Familial
produced, incr gut ... - CPPD Crystals ... #Disease #Signs ... #Symptoms #Pathophysiology ... #Diagnosis
Chondrocalcinosis: Calcium Pyrophosphate Dihydrate (CPPD) Deposition Disease

 - Acute CPPD precipitation into the joint space ->
) (tends to be out ... affected — e.g., wrist ... #Disease #Signs ... #Symptoms #Pathophysiology ... #Diagnosis
Hand X-Ray Anatomy and Interpretation Checklist
1. Soft tissues - Look carefully at the soft tissue over
into the hand and wrist ... important to look for signs ... the radius and ulna ... proximal to the carpal ... rheumatological diseases
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... purpura: Strong sign ... claudication, visual ... purpura, joint & gut ... , Elevated AST ALT