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首页> 外文期刊>The Journal of dermatology >Myopericytoma proliferating in an unusual anastomosing multinodular fashion
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Myopericytoma proliferating in an unusual anastomosing multinodular fashion

机译：肌细胞瘤以不寻常的吻合多结节方式增殖

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摘要

We herein describe a case of myopericytoma that proliferated in an unusual fashion. Myopericytoma is described as a group of rare, benign, dermal or subcutaneous tumors that are characterized histologically by a striking, concentric, perivascular proliferation of spindle cells and showing apparent differentiation towards perivascular myoid cells. Myopericytoma forms a morphological continuum with myofibroma/myofibromatosis, glomus tumor and angioleiomyoma. The patient was a 64-year-old woman who demonstrated a recurrent ulcer on an atrophic plaque on her left shin. A histopathological examination of the plaque demonstrated that tumor cells proliferated in an anastomosing multinodular fashion along the vessels in the dermis and subcutaneous tissue. In those nodules, there were numerous, small, concentric proliferations of myoid-appearing spindle cells around small vascular lumina. The present case is an unusual example of myopericytoma, manifesting in a characteristic anastomosing, multinodular, infiltrating fashion.
机译：我们在此描述了以异常方式增殖的肌细胞瘤的情况。肌细胞瘤被描述为一组罕见的，良性的，真皮或皮下肿瘤，其组织学特征是纺锤形细胞发生明显的，同心的，血管周围的增殖，并表现出明显的向血管周围肌样细胞的分化。肌细胞瘤与肌纤维瘤/肌纤维瘤病，球蛋白瘤和血管平滑肌瘤形成形态连续体。该患者是一名64岁的女性，她的左胫骨萎缩性斑块复发性溃疡。斑块的组织病理学检查表明，肿瘤细胞沿着真皮和皮下组织的血管以吻合的多结节方式增殖。在那些小结节中，在小血管腔周围出现了许多小的，同心的，呈肌样的纺锤状细胞增生。本例是肌细胞瘤的不寻常例子，表现为特征性吻合，多结节性浸润。

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