
Ashley Davidoff MD
TheCommonVein.net

BAL yielded Mycobacterium Kansasii
Ashley Davidoff MD
TheCommonVein.net

CXR reveals a dense consolidation in the right upper lobe (red arrow) with questionable air-fluid level. No pneumothorax. No pleural effusions. Differential includes right upper lobe pneumonia or tuberculosis. CT is recommended for further evaluation if there is concern for a cavity.
Courtesy Joseph Cannella,
Dr. Christina LeBedis, MD, MS

Courtesy Joseph Cannella,
Dr. Christina LeBedis, MD, MS

Ashley Davidoff MD TheCommonVein.net
Vietnamese TB 001

Ashley Davidoff MD TheCommonVein.net
Vietnamese TB 002

Ashley Davidoff MD TheCommonVein.net
Vietnamese TB 002
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Postprimary active tuberculosis in a 34-year-old man with weight loss and a chronic cough. (a) High-resolution CT scan of the left lung shows a thick-walled cavity and multiple peripheral small nodules and branching linear structures (arrows). Note the thickening of the bronchial walls (arrowhead). (b) Photomicrograph (original magnification, ×400; hematoxylin-eosin stain) shows impacted caseous material (*) in small peripheral airways (arrow).
Rossi, SE et al Tree-in-Bud Pattern at Thin-Section CT of the Lungs: Radiologic-Pathologic Overview RadioGraphics Vol. 25, No. 3 2005
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