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Year : 2019  |  Volume : 6  |  Issue : 1  |  Page : 37-40

Complete radiographic response of a rectal gastrointestinal stromal tumor to imatinib mesylate

1 Division of General Surgery, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwain
2 Division of Colorectal Surgery, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwain

Correspondence Address:
Dr. Ming-Hung Lee
Division of Colorectal Surgery, Kaohsiung Veterans General Hospital, No. 386, Dazhong 1st Rd., Zuoying Dist., Kaohsiung City 813
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/JCRP.JCRP_4_18

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Gastrointestinal stromal tumors (GISTs) are the most common mesenchymal tumors of the digestive tract. These tumors occur rarely in the rectal region, with an incidence of <3%. In this case report, an 80-year-old man complained of abdominal fullness and difficulty in defecating during a visit to our outpatient department. A radiographic image survey showed an extraluminal lesion over the rectum, and the pathological diagnosis was GIST. Imatinib mesylate, a neoadjuvant agent, was administered. The patient then refused further surgical intervention and continued imatinib mesylate treatment. Subsequent magnetic resonance images revealed no obvious lesion occupying the pelvic cavity. In addition to this case, we also performed a literature review of rectal GIST treatment strategies.

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