12 results
Haglund Syndrome - MSK Radiology
Imaging Findings:
 • The Haglund Deformity (enlarged superior margin calcaneal posterior process)
- MSK Radiology ... Partial undersurface tear ... heterogeneity & possible tear ... Differential diagnosis ... #msk
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
- MSK Radiology ... hallucis longus Differential ... syndesmotic ligament tear ... of the achilles tendon ... #msk
Tenosynovitis of the peroneal tendons due to hypertrophic peroneal tubercle
Imaging Findings:
 • Large volume ofT2-hyperintense fluid
Differential diagnosis ... subluxation/dislocation ... or tear ... clinical #Radiology #diagnosis ... #msk
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Hearing Loss - Differential ... Diagnosis Framework ... II ○ Susac’s syndrome ... Noise trauma ○ MS ... #Diagnosis #otology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Asia • HLA-B51 association ... Positive pathergy test ... is a skin prick test ... Behcet disease) Differential ... Giant retinal tears
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Adjacent bursa • Tendon ... e.g., meniscal tears ... #Joint #Pain #MSK ... approach #workup #differential ... #diagnosis #arthritis
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Diagnosis Algorithm ... Patellofemoral Syndrome ... Patella (e.g., Tendon ... Rupture, Dislocation ... Deformity #Limp #MSK
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... per 100,000 per year ... depressed deep tendon ... albuminocytologic dissociation ... and sensitive tests
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... Diagnosis: • ... • Locked-in syndrome ... Reflexes: • Deep tendon ... If ok with ICU team
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... Diagnosis Framework ... well as inner ear ... diminished, or tender ... retinopathy Lab Tests