kidney

# Condition: Infection; http://apps.simagis.com/live/public/85d05930-1e33-4924-910c-a68bef0d39ac
# Imaging: Brightfield Microscopy; Mikroscan / Carl Zeiss; Magnification/Objecitve 20X
# Staining: H

Middle-aged man with metastatic lung lesions and a large kidney mass.

Procedure: Radical nephrectomy.

Gross: see photos.

Micro: see photos (10X to 40X) H&E stain

tumor composed of histiocytes, lymphocytes, plasma cells arranged in sheets and sinusoidal structures. Histiocytes show emperipolesis of lymphocytes and plasma cells