Residency Program - Case of the Month
May 2012 - Presented by Michael Van Ness, M.D.
Clinical history:
The patient is an 86 year old male with a past medical history significant for diabetes mellitus and hypertension who was incidentally found to have a left lung mass discovered on chest radiographs (during work-up for dull chest pain). Follow up chest CT showed a well circumscribed 4x2x1cm pleural based peripheral lung mass which was attached by a broad pedicle. He subsequently underwent VATS procdure for excision.
Gross description:
Received fresh was a 10 gram wedge resection that contained a 5 x 2.5 x 1.5cm lobulated, well circumscribed, firm, white nodule with a homogenous cut surface. The attached lung parenchyma was unremarkable. The following stains were prefomed:
- CD34 +
- CD99 +
Chest CT:
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Microscopic images:
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