7 results
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
Cavitary Lung Disease ... abscess, Necrotizing ... Chronic Infections: TB ... , NTB, Fungal, Parasitic ... Autoimmunity: RA, GPA #Cavitary
Cavitary Lesion with Air-Fluid Level on Chest XRay

70+ year old man with PMH of latent TB
Cavitary Lesion ... man with PMH of latent ... TB s/p treatment ... david_furfaro #Cavity ... #Cavitary #CXR
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Droplets that contain bacilli ... : • HIV • Recent ... mycobacterial infection (NTM ... abscess Primary ... : • HIV-infected
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Droplets that contain bacilli ... : • HIV • Recent ... mycobacterial infection (NTM ... abscess Primary ... : • HIV-infected
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
• Nodular or cavitary ... Kansasii: • Mimics TB ... with: Cavitary ... Advanced HIV (CD4 ... • Dyspnea, • Chest
Cavitation - Pneumonia
In virulent pyogenic infections an abscess may form within the consolidated lung as a
infections an abscess ... the consolidated lung ... coughed up, a cavity ... consolidation and the cavity ... #Cavity #Pneumonia
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... macrophages in HIV ... low if you have HIV ... fever, cough and cavitary ... infiltrates, mimicking TB