189 results
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
Trigonum) Syndrome - MSK ... hallucis longus Differential ... torn ligament on MRI ... osteochondral lesion ... Radiology #diagnosis #msk
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
Shoulder Pain - Differential ... Diagnosis Algorithm 4 tests ... after cross-arm test ... Shoulder #Pain #Differential ... Diagnosis #Algorithm #MSK
Pronator Drift Testing for Stroke
Subtle extensor weakness - Sign of Upper motor neuron lesion
In detecting CT/MRI
Upper motor neuron lesion ... In detecting CT/MRI ... 9.2, LR- 0.09 Best ... test characteristics
Piriformis Test (FAIR Test - Flexion, Adduction, and Internal Rotation)

Flex the hip to 90 degrees, then
Piriformis Test ... (FAIR Test - Flexion ... sciatic / gluteal region ... is a positive test ... #physicalexam #msk
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
) - MSK Radiology ... repeated follow-up MRI ... (save $$) Differential ... #clinical #mri ... Radiology #diagnosis #msk
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Ring-Enhancing Lesions ... Ring-Enhancing Lesions ... Compatible syndrome + MRI ... lesions + toxo ... #Brain #differential
Diagram of different types of bone tumors that can occur around the knee on XRay -
- punched out lesions ... • Aggressive lesion ... Diagnosis #Bony #Differential ... Radiology #XRay #msk ... #lesions #adult
Diagram of different types of bone tumors that can occur around the knee on XRay -
other aggressive lesion ... Diagnosis #Bony #Differential ... peds #pediatrics #msk ... #lesions #adult
Evolution of MRI Findings in Stroke

MR images at five subsequent time points in a 67-year-old woman
Evolution of MRI ... Findings in Stroke MR ... acute ischemic lesion ... it possible to differentiate ... #Evolution #MRI
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 ...  West Nile virus ... hyperreflexia, spinal cord lesion ... on MRI