33 results
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
mnemonic for the causes ... of a cavitating lung ... abscess (TB, fungal ... bronchogenic cyst #Diagnosis ... #Differential #Lung
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
tuberculosis (LTBI) Pathophysiology ... infection (NTM) • Fungal ... characteristic features Clinical ... Tuberculosis Diagnosis ... #Diagnosis #Management
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Abscess Pathophysiology ... Lung Abscess - Clinical ... Prevotella • Fungal ... #Abscess #pulmonary
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
tuberculosis (LTBI) Pathophysiology ... infection (NTM) • Fungal ... characteristic features Clinical ... Tuberculosis Diagnosis ... #Diagnosis #Management
Tree in Bud Sign
The Tree-in-Bud sign represents Endobronchial spread in a linear branching pattern and centrilobular
endobronchial TB ... bacterial/viral/fungal ... TreeInBud #Sign #diagnosis ... #clinical #radiology ... #ChestCT #pathophysiology
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
Infection (Bacterial, TB ... , NTM, Fungal) ... Bronchiectasis #pulmonary ... #diagnosis #differential ... #causes
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
- Differential Diagnosis ... Infection: Bacterial (TB ... Ebola, Dengue), Fungal ... Postprocedural, Lung ... #pulmonary #causes
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
extrapulmonary cases ... Clinical Signs ... symptoms of active pulmonary ... decreased reflexes Pathophysiology ... for concomitant pulmonary
Blastomycosis (Blastomyces): Gilchrist’s disease, Chicago disease - Summary Sheet
 • Morphology
 • Geography, Reservoir and Mode
- Sporadic cases ... inoculation • Clinical ... presentation of TB ... , lung cancer, and ... management #summary #fungal
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... Most Common Causes ... • Infection: TB ... in the adjacent lung ... mycobacteria Treatment