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Colon Adenocarcinoma Associated with Synchronous Extramural Gastrointestinal Stromal Tumor (GIST) of the Ileum

Paschalis Gavriilidis, Anastasia Nikolaidou

(Department of Surgical Oncology, Theageneio Anticancer Hospital, Thessaloniki, Greece)

Am J Case Rep 2015; 16:837-839

DOI: 10.12659/AJCR.894845

Published: 2015-11-26

BACKGROUND: GISTs are mesenchymal tumors representing approximately 1% of all gastrointestinal neoplasia. Their concurrence with colorectal cancers is rare.
CASE REPORT: We present a case of coexistence of colon adenocarcinoma and GIST of the ileum in a 68-year-old white woman.
CONCLUSIONS: The coexistence of mesenchymal and epithelial neoplasia is very challenging; further research is needed to clarify the role of oncogenic mutations and signalling pathways in carcinogenesis of neoplasia of various histiogenic origins.

Keywords: Aged, Adenocarcinoma - surgery, Colectomy - methods, Colonic Neoplasms - surgery, Diagnosis, Differential, Female, Follow-Up Studies, Gastrointestinal Stromal Tumors - surgery, Humans, Ileal Neoplasms - surgery, Ileum - surgery, Neoplasms, Multiple Primary