34 results
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
Cavitary Lung Disease ... Pneumonia, Septic Emboli ... Chronic Infections: TB ... #Disease #Diagnosis ... Algorithm #lesion #pulmonary
Lung Nodules - Differential Diagnosis by Distribution
 • Centrilobular: Hypersensitivity Pneumonitis, RB-ILD, Pneumoconiosis, Infectious Bronchiolitis, Vasculitis,
Lung Nodules - Differential ... Infectious (viral, TB ... , fungal), Septic ... emboli, LCH ... #pulmonary
Hemoptysis Differential Diagnosis Framework
Cardiovascular: Pulmonary embolism, Heart failure, Vasculitis, Valvular disease, Arteriovenous malformation
Pulmonary - Airway: Bronchitis,
Diagnosis Framework ... embolism, Heart ... Vasculitis, Valvular disease ... Parenchyma: Pneumonia, Lung ... Tuberculosis, Fungal
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
embolus I = infection ... (TB, fungal, staph ... bronchogenic cyst #Diagnosis ... Cavitary #Lesions #Differential ... #Lung #Pulmonary
Massive Hemoptysis - Differential Diagnosis Framework and Management
Definition: 150-600 mL over 24 hours
Differential Diagnosis:
 • Tracheobronchial:
PNA, Abscess, TB ... Alveolar Hemorrhage, Lung ... Embolism, Vasculitis ... Intubation 2) Bad Lung ... #Diagnosis #Management
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
CD4 > 200: Pulm embolism ... failure, COPD, Lung ... CXR +/- High res CT ... , AFB), TB PCR sputum ... Infectious Diseases
Cystic lung disease
Lung cysts are defined as radiolucent areas with a wall thickness of less than
Cystic lung disease ... Cystic lung diseases ... listed in the table ... in infection (TB ... , Staph, fungal,
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Lung Abscess - Clinical ... seen • Chest CT ... 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
infection (NTM) • Fungal ... cancer • Septic emboli ... characteristic features Clinical ... Tuberculosis Diagnosis ... #Diagnosis #Management
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
CAN YOU SEE ON CT ... Infection (Bacterial, TB ... , NTM, Fungal) ... Bronchiectasis #pulmonary ... #diagnosis #differential