145 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Ring-Enhancing Lesions ... Compatible syndrome + MRI ... lesions + toxo ... and hepatomegaly/splenomegaly ... #Brain #differential
Underlying causes of PEA arrest: H’s and T’s 

Hypovolemia, Hypoxia, Hydrogen Ion (acidosis), Hypo/Hyper-kalemia, Hypothermia
Toxins, Tamponade,
Toxins, Tamponade, Tension ... (heart: acute, massive ... MI), Thrombosis ... (lungs: massive ... #arrest #HsTs #Differential
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
Trigonum) Syndrome - MSK ... hallucis longus Differential ... osteochondral lesion ... #mri #clinical ... Radiology #diagnosis #msk
Flexor Tenosynovitis (FTS)

The clinical diagnosis of FTS is made using Kanavel’s Signs:
 - Fusiform swelling.
 -
Tenosynovitis (FTS) The clinical ... - Pain with passive ... held in slight flexion ... at rest. ... Criteria #Sign #Hand #MSK
Piriformis Test (FAIR Test - Flexion, Adduction, and Internal Rotation)

Flex the hip to 90 degrees, then
Piriformis Test ... (FAIR Test - Flexion ... sciatic / gluteal region ... sciatica #lumbar #clinical ... #physicalexam #msk
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
) - MSK Radiology ... (save $$) Differential ... #clinical #mri ... #clinical #Radiology ... #diagnosis #msk
Patterns of Diseases on MRI FLAIR - Differential Diagnosis
ADEM, Adreno-leukodystrophy, CADASIL, CNS, Lymphoma, High-Grade Glioma, HIV
of Diseases on MRI ... FLAIR - Differential ... Patterns #Diseases #MRI ... #Differential # ... neuroradiology #clinical
Shoulder Impingement Syndrome (SIS): Signs and Symptoms

Repetitive Overhead Activity, Scapular Dyskinesis -> Scapulohumeral mechanics become altered
+ Painful arc test ... flexion of the ... pain + Hawkin's test ... - Forward flexion ... signs #symptoms #msk
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 ... it possible to differentiate ... #Evolution #MRI ... #Stroke #CVA #Clinical
McDonald Criteria for Diagnosis of Multiple Sclerosis
 • 2 or more attacks, 2 or more lesions
Clinical evidence ... Dissemination in space on MR ... await further clinical ... Dissemination in time on MR ... Multiple #Sclerosis #MS