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

C = cancer
mnemonic for the causes ... vascular - pulmonary ... infection - pulmonary ... abscess (TB, fungal ... bronchogenic cyst #Diagnosis
Tree in Bud Sign
The Tree-in-Bud sign represents Endobronchial spread in a linear branching pattern and centrilobular
It is caused by ... endobronchial TB ... bacterial/viral/fungal ... TreeInBud #Sign #diagnosis ... radiology #ChestCT #pathophysiology
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
extrapulmonary cases ... symptoms of active pulmonary ... decreased reflexes Pathophysiology ... for concomitant pulmonary ... #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
tuberculosis (LTBI) Pathophysiology ... infection (NTM) • Fungal ... • HIV: 2/3 pulmonary ... Tuberculosis Diagnosis ... #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
tuberculosis (LTBI) Pathophysiology ... infection (NTM) • Fungal ... • HIV: 2/3 pulmonary ... Tuberculosis Diagnosis ... #Diagnosis #Management
Adrenal Insufficiency - Diagnosis and Management Summary
Primary Adrenal Insufficiency:
Most Common Cause in the US: Autoimmune Adrenalitis
Other
and Management ... : Most Common Cause ... : TB, fungal infection ... pituitary tumor, TB ... #Management #Endocrinology
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
Blastomycosis (Blastomyces): Gilchrist’s disease, Chicago disease - Summary Sheet
 • Morphology
 • Geography, Reservoir and Mode
- Sporadic cases ... presentation of TB ... • Management ... #management #summary ... #fungal
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
- Differential Diagnosis ... Infection: Bacterial (TB ... Ebola, Dengue), Fungal ... #Differential #Diagnosis ... #pulmonary #causes
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Lung Abscess Pathophysiology ... Prevotella • Fungal ... westermani • Other: TB ... Lung #Abscess #pulmonary