Abstract
多形性未分化肉瘤(UPS)是一类少见的软组织肿瘤,好发于四肢、躯干,原发于胃的UPS少见,与胃肠间质瘤(GIST)并发的UPS更为罕见。本文报道1例因无明显诱因出现呕血为主诉的UPS合并胃GIST的罕见病例,分享其诊断和鉴别诊断经验,总结其组织病理学、免疫组织化学及分子病理学特征,希望通过该病例增加临床对UPS的认识,为患者提供更精准的治疗方案。.
MeSH terms
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Diagnosis, Differential
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Gastrointestinal Stromal Tumors* / diagnosis
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Gastrointestinal Stromal Tumors* / pathology
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Humans
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Male
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Middle Aged
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Sarcoma* / diagnosis
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Sarcoma* / pathology
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Stomach Neoplasms* / diagnosis
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Stomach Neoplasms* / pathology