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Mediastinal masses are discussed in more detail in Mediastinal masses.
Here is just a brief overview. #Diagnosis
Mediastinal masses ... #Diagnosis #Radiology ... #Differential # ... Table #Anterior #Middle ... #Posterior #RadiologyAssistant
Mediastinal Widening - Differential Diagnosis

 • Vascular: Aortic dissection, Aortic anourysm, Enlarged pulmonary arteries, Venous or
- Differential ... Pulmonary: Upper or middle ... Nodule / mass • Masses ... mediastinal, Posterior ... Diagnosis #pulmonary #radiology
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 ... Trigonum #OsTrigonum #Syndrome
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... Eclampsia, Infection/Sepsis ... Reversible course Differential ... the underlying cause ... with AEDs until cause
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... perineum, and posterior ... Imaging studies: • MRI ... #differential # ... #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... the lesion Posterior ... involved & the posterior ... #lesions #differential ... #diagnosis #neurology
Haglund Syndrome - MSK Radiology
Imaging Findings:
 • The Haglund Deformity (enlarged superior margin calcaneal posterior process)
margin calcaneal posterior ... Case description ... Differential diagnosis ... Often involves posterior ... Heel #clinical #mri
The table on the left is the overall table for mediastinal masses.
In the next paragraphs we
overall table for mediastinal ... #Mediastinal #Mass ... #Differential # ... Table #Anterior #Middle ... #Posterior #RadiologyAssistant
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... + MRI lesions + ... Lesions #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... affects the skin, neurologic ... oligoclonal bands • MRI ... tracts • Recurrent middle ... tract, and often causes