18 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... Compatible syndrome + MRI ... , LAD, and hepatomegaly ... Syphilis • Pyogenic Abscess ... #causes #radiology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... Lung Abscess - Clinical ... seen • Chest CT ... stable residual lesion
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wellens' Sign: LAD-T ... anterior wall MI ... 'widow maker' lesion ... Electrocardiogram #Diagnosis ... #Cardiology
Pulmonary Tuberculosis - Patterns of Involvement
 • Scarring, Nodules and Consolidation
    - Lobar
in the apical region ... • Cavitation, Abscess ... Devpriyo Pal @drdevrad ... #chest #xray #clinical ... #radiology #CXR
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... more lesions than ... can suggest the diagnosis ... #Clinical #Radiology ... #CXR #CTChest #
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
extrapulmonary cases Clinical ... Signs/Symptoms: ... : - MRI is modality ... tissue damage - CXR ... involvement - CT
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Pulmonary fibrotic lesions ... inhibitors • Injection ... emboli • Lung abscess ... characteristic features Clinical ... and Culture • CXR
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Pulmonary fibrotic lesions ... inhibitors • Injection ... emboli • Lung abscess ... characteristic features Clinical ... and Culture • CXR
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
should be based on clinical ... Antimicrobial treatment ... Imaging: - MRI ... tuberculomas, or abscesses ... enhancement on CT
C.diff - Clostridioides Difficile Infection (CDI) - Diagnosis and Management - GrepMed Handbook

Clinical Presentation + Progression:
GrepMed Handbook Clinical ... equivocal • CT ... A/P: Assess complications ... • Flex-Sig: If ... IDSA 2021 CDI Treatment