Resumo

SECULINI PATINO, Carina E; TABARES, Aldo H; LABORIE, Maria V  e  DILLER, Ana. Tumor del estroma gastrointestinal y trasplante renal. Medicina (B. Aires) [online]. 2017, vol.77, n.4, pp.334-346. ISSN 0025-7680.

Gastrointestinal stromal tumor (GIST) accounts for nearly 1% of all gastrointestinal tumors. Its association with renal transplantation is not frequent. Approximately 95% of GIST show staining for CD177. DOG1 is a recently described monoclonal antibody that shows positivity even in the absence of CD177 staining. The diagnosis of GIST should be pursued because of the availability of very effective treatments with tyrosine-kinase inhibitors. Herein, we describe the case of a woman with renal transplant who presented a small bowel GIST and weak positivity for CD177, treated initially with surgery. Tumor recurrence was documented 3 years later and histopatology showed loss of CD177 staining and positivity for DOG1. She was treated with imatimib without further recurrence after five years of follow up.

Palavras-chave : Gastrointestinal stromal tumor; Renal transplantation; DOG1.

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