38 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... nodules, may also see ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Algorithm for evaluating multiple ring-enhancing lesions in immunocompetent (HIV negative)

#ringenhancing #lesions #cns #brain #diagnosis #differential #algorithm
Algorithm for evaluating ... #cns #brain #diagnosis ... #differential # ... algorithm #causes ... #radiology #neurology
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
) - MSK Radiology ... atraumatic adolescent knee ... (save $$) Differential ... Harris injury: ... #msk
Tinnitus - Subjective (heard only by patient) - 90% - Differential Diagnosis Algorithm
Unilateral On Audiogram -
Diagnosis Algorithm ... Audiogram - Perform MRI ... • Closed Head Injury ... #Diagnosis #Algorithm ... #Causes
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Spinal Cord Injury ... Abduction None T7-T12 See ... Femoral Condyle Knee ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Diagnosis Algorithm ... Polydipsia - Beer ... Pulmonary Diseases, CNS ... #Diagnosis #Algorithm ... #diagnosis #nephrology
Bone Lesion on X-Ray - Differential Diagnosis Algorithm 
Exostotic
 • Osteochondroma
Asymptomatic &/or Non-Active Bone Scam
 •
- Differential ... Diagnosis Algorithm ... BoneLesion #XRay #MSK ... Diagnosis #Algorithm ... #Orthopedics #Causes
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
 Most common cause ... motor systems may be ... Differential diagnosis ... Multiple Sclerosis: CNS ... hyperreflexia, multiple lesions
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Diagnosis Algorithm ... Bone Lesions Scheme ... Fractures #Pathologic #MSK ... Diagnosis #Algorithm ... #Orthopedics #Causes
Mucoid Degeneration of the ACL
Imaging Findings:
 • T2-hyperintense fluid-signal within the enlarged ACL on both the
• The anterior cruciate ... Differential Diagnosis ... - Can cause ... #degeneration #knee ... #msk