Expression of KIT receptor in feline cutaneous mast cell tumors

C. Rodriguez-Cariño, D. Fondevila, J. Segalés, R. M. Rabanal

Research output: Contribution to journalArticleResearchpeer-review

21 Citations (Scopus)

Abstract

Twenty-seven feline cutaneous mast cell tumors (MCTs) were selected for this retrospective study. Samples were routinely processed and stained with hematoxylin and eosin (HE) and toluidine blue, and tumors were classified as well-differentiated (19/27), atypical or poorly granulate (7/27), and pleomorphic (1/27). Immunohistochemistry to detect KIT protein was performed on all samples. The immunoreactivity was recorded by distribution within the tumor, cellular location, and intensity. Well-differentiated MCTs were predominantly characterized by diffuse cytoplasmic (8/19) and membranous stain (7/19); a diffuse distribution of KIT positive cells was displayed in most of these tumors as well (15/19). Atypical MCTs showed diffuse distribution of labeled cells (4/7), and diffuse cytoplasm immunostaining was seen most (5/7). The pleomorphic MCT showed diffuse cytoplasmic KIT stain, with moderate labeling intensity, typically displaying focal distribution in deeper areas of the neoplasm. According to the results, there was no correlation between the type of MCTs and KIT expression, although the use of feline KIT immunohistochemistry could be useful to assess the mast cell origin.
Original languageEnglish
Pages (from-to)878-883
JournalVeterinary Pathology
Volume46
DOIs
Publication statusPublished - 1 Sep 2009

Keywords

  • Cat
  • Immunohistochemistry
  • KIT protein
  • Mast cell tumors
  • c-KIT

Fingerprint Dive into the research topics of 'Expression of KIT receptor in feline cutaneous mast cell tumors'. Together they form a unique fingerprint.

Cite this