8 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
dorsum of the hand ... radius or ulna ... MH/CCF/CWRU EM ... #Radiology #XRay ... #Diagnosis #Management
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
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Distal Radius Fracture ... Distal radius ... injury, acute carpal ... #Colles #Distal ... #Radiology #XRay
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
onto outstretched hand ... trapezium, capitate, triquetrum ... MH/CCF/CWRU EM ... #Radiology #XRay ... #Diagnosis #Management
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
onto outstretched hand ... associated injuries: distal ... radius fracture ... MH/CCF/CWRU EM ... #Radiology #XRay
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
caused by disruption ... extensor tendon distal ... MH/CCF/CWRU EM ... #Radiology #XRay ... #Hand #Orthopedics
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
ligaments (prevent radial ... MH/CCF/CWRU EM ... IPJoint #Radiology #XRay ... #Diagnosis #Management ... #Hand #Orthopedics
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Swelling notable on Xray ... boggy" joints, esp carpal ... ulnar drift of fingers ... , radial wrist deviation ... signs #symptoms #diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... claudication, visual ... Multinucleated giant cells ... gray matter changes ... often causes arthritis