The 'dark bronchus' sign: HRCT diagnosis of Pneumocystis carinii pneumonia

Yadav, Poonam; Seith, Ashu; Sood, Rita
January 2007
Annals of Thoracic Medicine;Jan-Mar2007, Vol. 2 Issue 1, p26
Academic Journal
We report the importance of the 'dark bronchus' sign in the diagnosis of uniform, diffuse ground glass opacification on high resolution computerized tomography (HRCT). This sign is useful to identify diffuse ground glass opacity on HRCT in cases of Pneumocystis carinii pneumonia who may present with a normal or equivocal chest radiograph in the early course of disease.


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