29 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... IgG • CNS PCR ... lung nodules, may also ... #Brain #differential ... #diagnosis #causes
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
Trigonum) Syndrome - MSK ... posterolateral talus ... Case description ... hallucis longus Differential ... #mri #clinical
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
association • M > F Clinical ... basal ganglia, CNS ... Medium and large also ... Behcet syndrome (Clinical ... ) Differential Diagnosis
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... should be based on clinical ... Imaging: - MRI ... Demyelinating disease ... caused by the JC
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
) - MSK Radiology ... (save $$) Differential ... Also, FOPE is centered ... #clinical #mri ... #diagnosis #msk
Osgood-Schlatter Disease - MSK Radiology
Imaging Findings:
 • Infrapatellar fat-pad edema with loss of the patellar tendon
- MSK Radiology ... There is also fragmentation ... • MRI is more sensitive ... tibial tuberosity Differential ... #mri #clinical
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
anywhere in the CNS ... may arise from disease ... form part of the differential ... clinical findings ... This lesion causes
Cortical Desmoid - MSK Radiology
Imaging Findings:
 • Circumscribed, small cortically based Tl -hypointense and T 2-hyperintense
Cortical Desmoid - MSK ... Case description ... Differential diagnosis ... that is also peripherally ... #mri #clinical
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Arterial Thrombosis - Differential ... Myeloproliferative disease ... atherosclerotic lesions ... coagulation and other causes ... Venous #Arterial #pathophysiology
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
nervous system (CNS ... is important, as ... neuropathy (LHON) plus MRI ... lesions and clinical ... noninflammatory #differential