A Case of Malignant Gastrointestinal Stromal Tumor of the Transverse Colon: Evaluation of Proliferation Activity

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概要

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• Here, we report a colonic gastrointestinal stromal tumor (GIST) in a middle-aged man above 40. A histologically similar second tumor was detected 2 years after initial surgery. The primary GIST, measuring 5.5 ? 6.0 cm, consisted of spindle tumor cells with a higher number of mitoses and Ki67 labeling index (about 20%) than those of the second tumor, implying a de novo GIST. These markers might be useful in evaluating malignant potential, as well as to differentiate between a de novo and a recurrent tumor in the colonic GIST.

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著者

• Kase Satoru

  Division Of Organ Pathology Department Of Microbiology And Pathology School Of Medicine Tottori Univ

関連論文

• A Case of Malignant Gastrointestinal Stromal Tumor of the Transverse Colon: Evaluation of Proliferation Activity

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