11 results
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
- MSK Radiology ... hallucis longus Differential ... syndesmotic ligament tear ... flexion but no symptoms ... #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 ... Labyrinthitis ○ Epstein-Barr ... #Differential #
Osgood-Schlatter Disease - MSK Radiology
Imaging Findings:
 • Infrapatellar fat-pad edema with loss of the patellar tendon
Osgood-Schlatter Disease - MSK ... fat-pad edema with loss ... tibial tuberosity Differential ... (similar symptoms ... #msk
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
Brain, Eye, and Ear ... sensorineural hearing loss—wolfram ... neuropathy (LHON) plus MRI ... noninflammatory #differential ... #diagnosis
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
Sarcoidosis - Diagnosis ... appetite, weight loss ... Extrapulmonary: ankle ... anterior/posterior MSK ... polyarthritis(symmetrical, ankles
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 ... than one after symptom ... and sensitive tests ... #Syndrome #diagnosis
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
spine L1-L5 Symptoms ... Diagnosis: • ... cord • Guillain-Barre ... Imaging studies: • MRI ... #differential #
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
bouts of HTN Diagnostic ... Bilateral signs and/or symptoms ... not swollen or less ... negative, MOG-IgG test ... management #neurology #differential
Hypertrophic Pachymeningitis - Differential Diagnosis Framework

Pachymeningitis is a rare condition that causes areas of a layer
Diagnosis Framework ... cause different symptoms ... headaches, or hearing loss ... brain sagging syndrome ... type 1: dural tear
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Presentation: Systemic Symptoms ... Anorexia • Weight loss ... malaise, weight loss ... • Progressive symptoms ... oligoclonal bands • MRI