Author: Dr. Manon Auger, Dept of Pathology, McGill University, Montreal, Canada
Reviewer: Ritu Nayar, MD. Northwestern University, Feinberg School of Medicine, Chicago, IL, USA
A 45 year old man presented with an interstitial lung infiltrate. Significant medical history: HIV+.
4 static images (Papanicolaou-stained slides) of the bronchoalveolar lavage are provided.
|Fig.1. Papanicolaou stain, 400X|
|Fig.2. Papanicolaou stain, 600X|
|Fig.3. Papanicolaou stain, 600X|
|Fig.4. Papanicolaou stain, 600X|
Which of the following is the most likely diagnosis?