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本文重点讨论了横纹肌肉瘤的病理鉴别诊断问题。在33例误诊病例中,包括脂肪肉瘤及纤维肉瘤各5例,未分化癌及未分化腺癌4例,恶性纤维组织细胞瘤及神经母细胞瘤各3例,恶性神经鞘瘤各2例,滑膜肉瘤、间皮肉瘤、腺泡状软组织肉瘤、恶性血管内皮瘤、恶性组织细胞瘤、皮肤非典型性纤维黄色瘤、腹壁外韧带状瘤、淋巴肉瘤、网织细胞肉瘤、何杰金氏病、多形性肉瘤等各1例。探讨了容易发生误诊的各种原因。(1)在瘤细胞形态多变,多形性明显,单核及多核瘤巨细胞多见时,易误诊为脂肪肉瘤、纤维肉瘤、恶性纤维组织细胞瘤、恶性神经鞘瘤、皮
This article focuses on the pathological differential diagnosis of rhabdomyosarcoma. Among 33 misdiagnosed cases, there were 5 cases of liposarcoma and fibrosarcoma, 4 cases of undifferentiated and undifferentiated adenocarcinoma, 3 cases of malignant fibrous histiocytoma and 3 cases of neuroblastoma, and 2 cases of malignant schwannoma. Synovial sarcoma, mesothelioma, alveolar soft tissue sarcoma, malignant hemangioendothelioma, malignant histiocytoma, atypical fibrous xanthoma of the skin, extramural ligamentous leiomyoma, lymphosarcoma, reticulocyte sarcoma, Hodgkin’s Disease, pleomorphic sarcoma, etc. 1 case each. Various causes of misdiagnosis are discussed. (1) When the morphology of tumor cells is changeable, pleomorphism is obvious, and mononuclear and multinuclear giant cells are more common, they are often misdiagnosed as liposarcoma, fibrosarcoma, malignant fibrous histocytoma, malignant schwannoma, and skin.