12 results
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... , amyloidosis, sarcoidosis ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
Pott's Disease in ... extrapulmonary cases Clinical ... tissue damage - CXR ... involvement - CT ... #Diagnosis #Management
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... GPA, lipoid pna, sarcoidosis ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Fungal infection • Sarcoidosis ... characteristic features Clinical ... and Culture • CXR ... • Check CXR and ... #Diagnosis #Management
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Fungal infection • Sarcoidosis ... characteristic features Clinical ... and Culture • CXR ... • Check CXR and ... #Diagnosis #Management
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
hematogenous spread of a disease ... Differential Diagnosis ... Granulomatous: Amyloid, Sarcoidosis ... #pulmonary #CXR ... #clinical #CT
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Clinical ... ) • CXR upright ... seen • Chest CT ... westermani • Other: TB ... Lung #Abscess #pulmonary
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
Sarcoidosis - Diagnosis ... renal failure Clinical ... e.g. incidental CXR ... #Diagnosis #Management ... #Signs #Symptoms
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Connective tissue diseases ... • Infection: TB ... Nasal polyps and signs ... parenchyma Diagnosis ... high-resolution chest CT
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... Framework Disease ... • CT: Halo sign ... infiltrates, mimicking TB ... Infections #HIV #AIDS #pulmonary