47 results
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
(Os Trigonum) Syndrome ... - MSK Radiology ... Case description ... hallucis longus Differential ... osteochondral lesion
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
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Shock - Differential ... contractility) - Acute MI ... exacerbation (any cause ... tamponade - Tension ... #Differential #
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
) - MSK Radiology ... repeated follow-up MRI ... (save $$) Differential ... #clinical #mri ... Radiology #diagnosis #msk
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
Guillain–Barré syndrome ... Landry–Guillain–Barré–Strohl syndrome ...  Most common cause ... Differential diagnosis ... hyperreflexia, multiple lesions
Shock - Differential Diagnosis Framework
 - MAP <65. SBP <90, drop in SBP > 40
 -
Shock - Differential ... Pulmonary Embolism, Tension ... Abdominal compartment syndrome ... #Differential # ... algorithm #treatment #management
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Shock - Differential ... failure, acute MI ... • Mechanical → tension ... findings based on cause ... anaphylaxis, release syndrome
Approach to Undifferentiated Shock - OnePager Summary
Shock occurs when there is inadequate blood flow (CO) &
), LV Failure (MI ... CCB, BB, BRASH syndrome ... • OBSTRUCTIVE: Tension ... cytokine release syndrome ... #diagnosis #differential
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
Non-inflammatory Causes ... neuropathy (LHON) plus MRI ... lesions and clinical ... consistent with MS ... noninflammatory #differential
Cortical Desmoid - MSK Radiology
Imaging Findings:
 • Circumscribed, small cortically based Tl -hypointense and T 2-hyperintense
Cortical Desmoid - MSK ... Case description ... Differential diagnosis ... Desmoid #clinical #mri ... Radiology #diagnosis #msk