8 results
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
Cavitary Lung Disease ... Acute / Subacute ... : • Acute Infections ... : Lung abscess, ... Infections: TB,
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Chronic Cough - ... Dyspnea (underlying lung ... ) • Abnormal CXR ... refer + order CT ... disease #Chronic
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... pneumonia • Chronic ... dyspnea, productive cough ... seen • Chest CT ... westermani • Other: TB
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
• Silicosis • Chronic ... abscess Primary ... • Productive cough ... and Culture • CXR ... • Check CXR and
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
• Silicosis • Chronic ... abscess Primary ... • Productive cough ... and Culture • CXR ... • Check CXR and
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
lung disease ... Kansasii: • Mimics TB ... - Cough and lung ... percent), • Cough ... Imaging, high res CT
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
cough • Hypoxia ... • Infection: TB ... in the adjacent lung ... high-resolution chest CT ... mycobacteria Treatment
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
symptoms • Fever, cough ... pulmonary infection • Cough ... Sinusitis • Brain abscess ... change in the lungs ... nails, bronchi, lungs