59 results
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
upgaze - Light-near ... retraction (Collier's sign ... region tumors - Multiple ... → "setting sun sign ... diagnosis #pineal #neurology
Medial Meniscus Bucket Handle Tear - MSK Radiology
Imaging Findings:
 • Truncation of the medial meniscus on
- MSK Radiology ... The "double PCL sign ... Differential diagnosis ... #knee #mri #clinical ... Radiology #diagnosis #msk
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
Clonus, Babinski’s sign ... • Lhermitte’s sign ... Signs and symptoms ... resonance imaging [MRI ... diagnosis #management #neurology
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
• Light-near dissociation ... retraction (Collier's sign ... region tumors • Multiple ... "setting sun" sign ... Parinauds #syndrome #neurology
Osgood-Schlatter Disease - MSK Radiology
Imaging Findings:
 • Infrapatellar fat-pad edema with loss of the patellar tendon
Osgood-Schlatter Disease - MSK ... • MRI is more sensitive ... tibial tuberosity Differential ... Patellar tendon tear ... patella #clinical #mri
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
Trigonum) Syndrome - MSK ... hallucis longus Differential ... syndesmotic ligament tear ... torn ligament on MRI ... Radiology #diagnosis #msk
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
with a capsule tear ... Differential diagnosis ... GAGL): "Reverse J sign ... shoulder #clinical #mri ... Radiology #diagnosis #msk
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Immunocompetent Multiple ... Compatible syndrome + MRI ... 100), 25% with multiple ... Lesions #Brain #differential ... causes #radiology #neurology
Tinnitus - Subjective (heard only by patient) - 90% - Differential Diagnosis Algorithm
Unilateral On Audiogram -
patient) - 90% - Differential ... Audiogram - Perform MRI ... Brainstem Lesion • Multiple ... External or Middle Ear ... hearing #subjective #Differential
McDonald Criteria for Diagnosis of Multiple Sclerosis
 • 2 or more attacks, 2 or more lesions
for Diagnosis of Multiple ... from onset - One year ... Criteria #Diagnosis #Multiple ... #Sclerosis #MS ... #neurology