6 results
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
Case description ... hallucis longus Differential ... signal of the achilles ... tendon ... flexion but no symptoms
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... encephalitis • Tender ... #headache #signs ... #symptoms #clues ... #differential #
Mediastinal Mass - Differential Diagnosis Framework

Anterior Mediastinal Mass - 5T’s
 • Thymic neoplasm
 • Teratoma (or
- Differential ... Symptoms: • Cough ... • Fever • Chills ... Lymphadenopathy (swollen or tender ... #Differential #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tracts Immune Complex ... tract, and often causes ... Presentation - Systemic Symptoms ... purpura: strong sign ... diminished, or tender
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... diminished, or tender ... • Progressive symptoms ... pauci-immune GN Immune Complex ... tract, and often causes
Morel-Lavallée Lesion - MSK Radiology
Imaging Findings:
 • Large, smoothly marginated, well-circumscribed mass along the medial myofascial
well-circumscribed mass ... Case description ... subacute: Irregular complex ... Differential diagnosis ... Abscess: Absence of symptoms