Results: The main pathological patterns of PMTSI were malignant stromal tumor, adenocarcinoma, leiomyosarcoma and malignant lymphoma.
结果：病理类型以恶性间质瘤、腺癌、平滑肌肉瘤、恶性淋巴瘤为主。
Conclusions CD117 and CD34 positivity are the most valuable factors for diagnosing stromal tumor. But it can not distinguish benign from malignant stromal tumors.
结论CD 117和CD 34标记阳性是确定间质瘤最具有诊断价值的依据，但不能作为良恶性判断指标。
The tumor is characterized by lakes of stromal mucin containing scant malignant epithelial cells.
镜下肿瘤表现明确的间质黏液湖及其上漂浮较少的恶性上皮细胞。
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