African Journal of Medicine and Surgery
African Journal of Medicine and Surgery ISSN 2756-3324 Vol. 7 (10), pp. 001-007, October, 2020. © International Scholars Journals
Gastrointestinal stromal tumor: The promise of gene therapy coupled with traditional surgical resection, in a single individual
Ali Mahmood1*, Martin Luchtefeld2, Anthony Senagore3 and Allen Silbergleit4
1Department of Colon and Rectal Surgery, Colorectal Surgical Associates, 7900 Fannin, Suite 3700, Houston, TX 77054, USA.
2Department of Colon and Rectal Surgery, The Ferguson Clinic, Grand Rapids Medical and Educational Center, Michigan State University, 1000 Monroe NW, Grand Rapids, MI 49503, USA.
3Department of Colon and Rectal Surgery, Vice President, Research and Medical Education Spectrum Health, Grand Rapids Medical and Educational Center Michigan State University, Grand Rapids, MI 49503.
4Wayne State University School of Medicine St. Joseph Mercy Oakland Hospital 44405 Woodward Avenue Pontiac, MI 48341.
Accepted 15 September, 2020
Gastrointestinal stromal tumors (GISTs) are mesenchymal tumors arising from the interstitial cells of Cajal. Originally thought to be leiomyosarcomas, these tumors are traditionally resistant to chemotherapy and radiation therapy. Molecular studies have identified the gene mutations that cause these masses to proliferate. The KIT proto-oncogene and PDGFRA mutations have been successfully implicated as the insults leading to disease. We present a 54 year old male, whose tumor was very aggressive yet multi-modality therapy did show an excellent response. Discovered incidentally while he was undergoing a sigmoid colostomy for benign disease, the patient had evidence of metastatic GIST disease. We utilized radiology, pathology and immunohistochemistry to provide a definitive diagnosis. Radiology was extremely useful in identifying disease and possible metastases. Furthermore the use of PET scans, particularly PET/CT allows clinicians to monitor and tailor therapy. Successful management of GISTs involves medical and surgical therapy. Imatinib mesylate is a drug used to inhibit the production of the KIT proto-oncogene. Coupled with surgery, this combination holds promise in successful management and possible eradication of the disease.
Key words: Gastrointestinal stromal tumor, PET scan, Imatinib, gene therapy, small bowel obstruction.
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