Mesenchymal tumors in the urinary bladder are very uncommon and their detection in urine cytology is rarer still. Mesenchymal tumors like rhabomyosarcoma must be suspected especially in young patients with appropriate morphology and confirmed with immunohistochemical markers.

中文翻译：

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一名年轻男子的膀胱横纹肌肉瘤疑似并经尿细胞学证实。

膀胱中的间叶质肿瘤非常罕见，在尿细胞学中检测到它们的情况更为罕见。必须怀疑横纹肌肉瘤等间充质肿瘤，尤其是在具有适当形态学并经免疫组织化学标记证实的年轻患者中。