12 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... + MRI lesions + ... lesions • 80% with lung ... #diagnosis #causes ... #radiology #neurology
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... is interstitial lung ... seen and in many cases ... #Diagnosis #Radiology
Causes of Primary and Functional Mitral Regurgitation (MR) 
Causes of primary mitral regurgitation
 - Rheumatic heart
, Ehler-Danlos syndrome ... Direct/indirect chest ... : Dilated CMP, long-standing ... Primary #Functional #Differential ... #Diagnosis #Cardiology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Pneumonia: • 3 syndromes ... of a "flu-like syndrome ... factor • May cause ... Infections #HIV #AIDS
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
since in many cases ... we describe a chest ... visible wall #CXR ... #Lucency #Differential ... Pulmonary #Diagnosis #Radiology
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Causes include: ... ischemic changes CXR ... respiratory distress syndrome ... (ARDS) • Opioid ... Transfusion-related acute lung
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
periphery of the lung ... hump along may aid ... In this case, pulmonary ... confirmed with chest ... #photo #CXR #EmergencyMedicine
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... Most Common Causes ... in the adjacent lung ... of the affected lung ... Bronchiectasis #pulmonary #differential
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... Vascular narrowing on MRA ... Reversible course Differential ... the underlying cause ... until cause identified
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
rare idiopathic lung ... respiratory distress syndrome ... (ARDS). ... #Clinical #Radiology ... #CTChest #AIP #