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Myoepithelial Tumors An Update

机译:肌上皮肿瘤更新

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摘要

Primary myoepithelial neoplasms of soft tissue are uncommon, and have been increasingly characterized by clinicopathologic and genetic means. Tumors are classified as mixed tu-mor/chondroid syringoma, myoepithelioma, and myoepithelial carcinoma, and they share morphologic, immunophenotypic, and genetic features with their salivary gland counterparts. However, soft tissue myoepithelial tumors are classified as malignant based on the presence of cytologic aty-pia, in contrast to the criterion of invasive growth in salivary gland sites. This review discusses the clinicopathologic and morphologic characteristics, distinct variants, and currently known genetic alterations of myoepithelial neoplasms of soft tissue, skin, and bone.
机译:软组织的原发性肌上皮肿瘤并不常见,并且已通过临床病理学和遗传学手段得到越来越多的表征。肿瘤分为混合型瘤/软骨样滑液样瘤,肌上皮瘤和肌上皮癌,它们与唾液腺具有共同的形态学,免疫表型和遗传学特征。然而,与唾液腺部位浸润性生长的标准相反,软组织肌上皮肿瘤根据细胞学上的非典型性病变而分类为恶性。这篇综述讨论了软组织,皮肤和骨骼的肌上皮肿瘤的临床病理和形态特征,不同的变异以及目前已知的遗传改变。

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