16 results
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
(Os Trigonum) Syndrome ... Case description ... hallucis longus Differential ... osteochondral lesion ... Trigonum #OsTrigonum #Syndrome
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Ring-Enhancing Lesions ... Diagnosis- Compatible syndrome ... + MRI lesions + ... #Brain #differential ... diagnosis #causes #radiology
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
to Headaches - Differential ... papilledema • Horner syndrome ... Space-occupying brain ... lesion • CNS ... arteritis • Acute
Leigh Syndrome 
History: 19-month-old girl with hypotonia, developmental 
delay, failure to thrive, and bilateral optic disc
Leigh Syndrome ... pons • DWI+ in acute ... #Clinical #MRI ... #Brain #Diagnosis ... #Radiology
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
intracranial pressure, acute-angle ... vasoconstriction syndrome ... pressure, mass lesions ... and VI) - Mass lesion ... symptoms #clues #differential
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Impairment: • Acute ... nervous system: Brain ... • Infectious: Brain ... EMG) studies • MRI
Common MRI Sequences - Basic MRI Brain Interpretation

 • T1 Sequence - T1 is for anatomy.
- Basic MRI Brain ... Acute strokes are ... bright on DWI is an acute ... in many other lesions ... #Sequences #Radiology
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Differential Diagnosis ... • Migraine • Acute ... • Sjögren’s syndrome ... hyperviscosity syndrome ... #differential #
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Pulmonary Edema - Differential ... ischemic changes CXR ... respiratory distress syndrome ... edema (Traumatic brain ... #diagnosis #cardiology
Hypertrophic Pachymeningitis - Differential Diagnosis Framework

Pachymeningitis is a rare condition that causes areas of a layer
Pachymeningitis - Differential ... spinal cord and brain ... people may have vision ... of patients MRI ... sagging syndrome