11 results
Amsterdam Wrist Rules
Rules that dictate which patients require imaging based on the likelihood of wrist fracture
FRACTURES: • ... Painful palmar flexion ... Painful balottement test ... ANY WRIST FRACTURES ... #msk #orthopedics
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
flexion and extension ... dislocation, distal radius ... #Wrist #Carpal ... #Radiology #XRay ... Orthopedics #Sports #MSK
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
Distal Radius Fracture ... variable gross wrist ... , median nerve injury ... Distal #Radiology #XRay ... #Orthopedics #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
injuries: Carpal fracture ... styloid fracture ... , median nerve injury ... Carpal #Radiology #XRay ... Orthopedics #Sports #MSK
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
Differential diagnosis ... hyperreflexia, multiple lesions ... exposure & prominent cranial ... nerve dysfunction ...  West Nile virus
Nonossifying Fibroma with Pathologic Fracture - MSK Radiology
Imaging Findings:
 • Cortically based, geographic, lucent lesion with
with Pathologic Fracture ... - MSK Radiology ... Diagnose with X-RAY ... Differential diagnosis ... Radiology #diagnosis #msk
Osteochondral Lesion of the Talus - MSK Radiology
Imaging Findings:
 • Typical location of the osteochondral defect
of the Talus - MSK ... defect along the medial ... Differential diagnosis ... Insufficiency Fracture ... #clinical #mri
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... blinks to threat Cranial ... Nerves: Brainstem ... Arms extended; wrists ... from the body; wrists
Subchondral Insufficiency Fracture
Imaging Findings:
 • Circle demarcating the region of edema within the medial femoral condyle.
demarcating the region ... favored because lesion ... Differential diagnosis ... #clinical #mri ... Radiology #diagnosis #msk
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... • Provocative Tests ... absent anal wink test ... Imaging studies: • MRI ... - Sagittal, axial