83 results
Differential diagnosis for toxic/metabolic encephalopathies - Patterns on Brain Imaging

Cynthia Czawlytko, MD @drcyncity

#Differential #diagnosis #encephalopathies #encephalopathy
Differential diagnosis ... for toxic/metabolic ... imaging #patterns #MRI ... #Neurology #pathology ... #diseases #radiology
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Weakness - Differential ... Diagnosis Algorithm ... Most commonly stroke ... involved = Peripheral lesion ... #Causes #neurology
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
(Many causes!) ... encephalitis) • Brain lesions ... (e.g. stroke, tumor ... Wonderland #Syndrome #diagnosis ... #neurology #differential
Stroke Etiologies
Hemorrhagic (IPH, SAH)
Ischemic
 - Large Vessel Atherosclerosis
 - Cardioembolic: Atrial fib, prosthetic valves, LV aneurysm,
Stroke Etiologies ... Endocarditis, Acute MI ... - Strong Medicine ... #causes #differential ... #diagnosis #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... Compatible syndrome + MRI ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Evolution of stroke on CT and MRI. 

Day 1: NCHCT demonstrates obscure left insular cortex. No
Evolution of stroke ... abnormalities in the left MCA ... #Stroke #CVA #MRI ... Progression #Timeline #Neurology ... #Radiology #Findings
Tinnitus - Subjective (heard only by patient) - 90% - Differential Diagnosis Algorithm
Unilateral On Audiogram -
Diagnosis Algorithm ... Audiogram - Perform MRI ... Hearing Loss: • Metabolic ... Causes: Thyroid ... #Causes
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 ... it possible to differentiate ... #Progression #Stroke ... CVA #Clinical #Radiology
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
Radiology Imaging ... Case description ... hallucis longus Differential ... osteochondral lesion ... #diagnosis #msk
MAGIC DR – a handy mnemonic used to remember the potential causes of a cerebral ring
the potential causes ... eg. tumefactive MS ... Radiation necrosis #Diagnosis ... #Radiology #Mnemonic ... MAGICDR #DRMAGIC #Differential