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

C = cancer
CAVITY – a useful ... of a cavitating lung ... abscess (TB, fungal ... #Lesions #Differential ... #Lung #Pulmonary
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
Cavitary Lung Disease ... - Differential ... Septic Emboli, Fungal ... Algorithm #lesion #pulmonary ... #differential
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
lucencies within the lung ... , like cyst, cavity ... trying to figger out ... #CXR #Lucency #Differential ... #Cyst #Lung #Pulmonary
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
to Eosinophilic Lung ... Infectious (Variable) - Fungal ... #Diseases #pulmonary ... #differential # ... diagnosis #comparison
The pathogenesis of idiopathic pulmonary fibrosis. 1 – In an initiating phase, there is lung alveolar
of idiopathic pulmonary ... conditions, fibroblasts differentiate ... with both fall-out ... At this final phase ... #IPF #Pathophysiology
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... the surrounding lung ... without associated pulmonary ... Radiology #CTChest #Cavity ... Cyst #Emphysema #Comparison
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Abscess Pathophysiology ... Prevotella • Fungal ... Abscess Differential ... #Abscess #pulmonary ... #differential #
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
Fungal Biomarkers ... BAL GM does not differentiate ... Clav (may be + as long ... or GVHD (leaky gut ... Galactomannan #diagnosis #comparison
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Pseudomonas FUNGAL ... fever, cough and cavitary ... Infections #HIV #AIDS #pulmonary ... #differential #
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
Diagnosis: • Direct fungal ... : • Increased leukocyte ... Aspergillosis Pathophysiology ... change in the lungs ... nails, bronchi, lungs