12 results
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
Acute / Subacute ... : • Acute Infections ... Septic Emboli, Fungal ... 12 weeks): • Chronic ... #lesion #pulmonary
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
Nocardia) - Endemic Fungi ... yersinia/rats, Q fever ... ) - Returning travelers ... Eosinophilic PNA (acute ... or chronic)
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Eosinophilic Lung Diseases ... • Acute Eosinophilic ... Infectious (Variable) - Fungal ... , parasites; Travel ... #pulmonary #differential
CGD and Mulch Pneumonitis
This acute fulminant invasive fungal pneumonia in absence of iatrogenic or exogenous immunosuppression
Pneumonitis This acute ... dyspnea, hypoxia, fever ... and evidence of pulmonary ... #Pneumonitis #chronic ... granulomatous #disease
Blastomycosis (Blastomyces): Gilchrist’s disease, Chicago disease - Summary Sheet
 • Morphology
 • Geography, Reservoir and Mode
presentation - Acute ... effusions) - Chronic ... patients with chronic ... - Pulmonary disease ... #summary #fungal
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
conidia → Yeast → travel ... respiratory symptoms • Fever ... or chronic pulmonary ... • Isolated fever ... #Diagnosis #Management
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
pneumonia • Chronic ... : • 80% have fever ... Intervention: - Fevers ... Prevotella • Fungal ... Lung #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
• Silicosis • Chronic ... infection (NTM) • Fungal ... Active TB: • Fever ... malignancy, and chronic ... TB #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
• Silicosis • Chronic ... infection (NTM) • Fungal ... Active TB: • Fever ... malignancy, and chronic ... TB #Diagnosis #Management
Pulmonary Histoplasmosis
Quick Facts on Histoplasma capsulatum:
 • Dimorphic fungi, in yeast phase within the body
 •
Pulmonary Histoplasmosis ... • Dimorphic fungi ... Duration depends on acute ... or chronic disease ... capsulatum #diagnosis #management