10 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
distal to distal ulna ... , pain with wrist ... distal radius or ulna ... #XRay #Diagnosis ... #Orthopedics #Sports
Pseudogout: pathogenesis and clinical findings
 - Idiopathic (vast majority of cases) -> Mechanism unknown
 - Familial
- CPPD Crystals ... #Chondrocalcinosis ... #Pseudogout #CPPD ... Signs #Symptoms #Pathophysiology ... #Diagnosis
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... box, pain with wrist ... #TerryThomas #Wrist ... #Radiology #XRay ... #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
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
joints (shoulders, wrists ... disease states Pathophysiology ... atypical locations: Wrist ... Imaging may show chondrocalcinosis ... knees, fingers, wrist
Chondrocalcinosis: Calcium Pyrophosphate Dihydrate (CPPD) Deposition Disease

 - Acute CPPD precipitation into the joint space ->
Chondrocalcinosis ... affected — e.g., wrist ... ) #Chondrocalcinosis ... Signs #Symptoms #Pathophysiology ... #Diagnosis
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
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Swelling notable on Xray ... boggy" joints, esp carpal ... Boutonniere's ulnar ... RheumatoidArthritis #RA #pathophysiology ... signs #symptoms #diagnosis
Pseudogout Summary - Calcium Pyrophosphate Deposition Disease (CPPD)

Pathophysiology:
Pyrophosphate produced by chondrocytes likely precipitates with calcium to
) Pathophysiology ... joints (shoulders, wrists ... culture used to diagnose ... Imaging may show chondrocalcinosis ... #Rheumatology #diagnosis
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
Extensor Carpi Ulnaris ... The Extensor Carpi ... ), is the must ulnar ... ECU Subluxation diagnosed ... relevant body parts