Chronic Inflammation
08/06/2010
60 -year-old male with left lung mass.
Procedure: CT guided needle biopsy.
Gross: The specimen consists of 2 tan cylindrical needle core biopsy tissue fragments measuring 1.5 and 1.7 cm.
08/24/2011
An elderly woman in her 70s with a firm neck mass.
Procedure: Surgical resection of a firm submandibular gland mass.
Micro: see photos (2X to 20X), H&E stain.
What is your diagnosis ? ? ?
12/30/2009
Immunohistochemical stains were performed and support the diagnosis. The inflammatory cells are leukocyte common antigen/CD-45 positive and AE1/3 negative.