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J Gynecol Oncol. 2012 Jan;23(1):48-52. doi: 10.3802/jgo.2012.23.1.48. Epub 2012 Jan 9.

Gastrointestinal stromal tumors as an incidental finding in patients with a presumptive diagnosis of ovarian cancer.

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1
Department of General Surgery, Instituto de Cancerologia, Clínica las Américas, Medellin, Colombia.

Abstract

OBJECTIVE:

To report the clinical presentation and oncologic outcomes of a series of patients who presented with an abdominal or pelvic mass and were diagnosed with a gastrointestinal stromal tumor (GIST).

METHODS:

Data were obtained on all patients who presented with an abdominal or pelvic mass between September 2007 and June 2010 and who were ultimately diagnosed with a GIST. The patients' medical records were reviewed. A literature review was also conducted.

RESULTS:

Six patients were identified who met the inclusion criteria. All six patients had a tumor in the intestinal tract arising from the small bowel. The mean tumor size was 12 cm (range, 6 to 22 cm). A complete resection was achieved in five of the six patients. There were no intraoperative complications; one patient had a postoperative complication. Two patients were treated with imatinib after surgery. The mean follow-up time was 32 months (range, 0.3 to 40 months). At the last follow-up, five of the six patients were without any evidence of disease. One patient died of an unrelated hepatic encephalopathy. The incidence in our institution is 3%.

CONCLUSION:

GISTs are uncommon; however, they should be considered in the differential diagnosis of patients presenting with an abdominal or pelvic mass.

KEYWORDS:

Adnexal mass; Gastrointestinal stromal tumor; Incidental finding

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