11 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
box, pain with wrist ... #Dissociation #TerryThomas ... #Wrist #Scaphoid ... #XRay #Diagnosis ... #Orthopedics #Sports
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
functional deficit and arthritis ... ulna, pain with wrist ... Triquetrum #Fracture #Wrist ... #XRay #Diagnosis ... #Orthopedics #Sports
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral wrist ... associated injuries: Carpal ... #Carpal #Radiology ... #XRay #Diagnosis ... #Orthopedics #Sports
Arthritis of the Hand - Arthritis Patterns

Osteoarthritis:
• Osteoarthritis of the hand usually involves the DIP and
Patterns Osteoarthritis ... nodes - DIP • XRAY ... • MCP + PIP + Wrist ... Hemochromatosis • Wrist ... #patterns #hand
Rheumatoid Arthritis Summary
MCP and PIP Involvement, Spares DIP, Carpal Tunnel, Sicca Syndrome, Epi/Scleritis, Heart Disease, Rheumatoid
Rheumatoid Arthritis ... PIP Involvement, Spares ... DIP, Carpal Tunnel ... Rheumatoid Nodules, Pulmonary ... #Rheumatoid #Arthritis
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
commonly fractured carpal ... not seen on x-ray ... Scaphoid #Fracture #Wrist ... #XRay #Diagnosis ... #Orthopedics #Sports
Undifferentiated critical congenital heart disease: Patterns of Presentation 
Pink baby:
 • Presents at 1-6 mo
heart disease: Patterns ... : PDA, VSD, AV canal ... if cardiac or pulmonary ... defects most often Gray ... #HeartDisease #patterns
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Rheumatoid arthritis ... small joints (wrists ... Swelling notable on Xray ... boggy" joints, esp carpal ... fingers, radial wrist
Hand X-Ray Anatomy and Interpretation Checklist
1. Soft tissues - Look carefully at the soft tissue over
into the hand and wrist ... the trabecular pattern ... look for signs of arthritis ... proximal to the carpal ... drdevrad #Hand #XRay
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
GCA (Giant Cell Arteritis ... mucositis • Rash, arthritis ... nonspecific white and gray ... matter changes ... and often causes arthritis