12 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... • 80% with lung ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
A 50 yo F with a history of poor dentition presents to the ED with fever
A CXR is done. ... Diagnosis: Cavitary ... lesion in R middle ... consistent w/ lung ... abscess #Clinical #Radiology
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
lucencies within the lung ... , like cyst, cavity ... visible wall #CXR ... #Lucency #Differential ... #Diagnosis #Radiology
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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or air-filled lesions ... - Emphysema - Lung ... #Diagnosis #Radiology ... LowAttenuation #Differential ... #Diagram #Comparison
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
demonstrates more lesions ... can suggest the diagnosis ... #Clinical #Radiology ... #CXR #CTChest # ... #SepticEmboli #Cavity
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Appearance of Liver Lesions ... Resonance Imaging (MRI ... #POCUS #radiology ... #differential # ... diagnosis #comparison
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
diagnosis there ... the surrounding lung ... #Radiology #CTChest ... #Cavity #Cyst # ... Emphysema #Comparison
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Diagnosis Framework ... Polymorphic skin lesions ... Multiple skin lesions ... fever, cough and cavitary
Appearance of Liver Lesions on Magnetic Resonance Imaging (MRI) - T2, T1 precontrast, T1 portal venous,
Appearance of Liver Lesions ... Resonance Imaging (MRI ... #Hepatic #MRI # ... #differential # ... diagnosis #comparison
Subchondral Insufficiency Fracture
Imaging Findings:
 • Circle demarcating the region of edema within the medial femoral condyle.
favored because lesion ... Differential diagnosis ... beyond medullary cavity ... Fracture #clinical #mri ... #clinical #Radiology