肾未分化多形性肉瘤超声表现1例

Chinese Journal of Medical Imaging(2021)

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Abstract
1 病例简介 男,61岁,主诉:无明显诱因出现左下腹痛,肉眼血尿呈隐痛间断发作,伴乏力、纳差:左下腹疼痛加重2 h.超声(图1A、B)示:左肾实性占位病变,左侧肾周血肿.腹部增强CT(图1C、D)示:左肾巨大肿物破裂伴肾周血肿、周围增大淋巴结、左肾上腺结节.行左肾切除术,术中可见左肾上极增大,隆起肿物,大小约10 cm,并可见大量陈旧黑色血块,左肾背侧和腰大肌粘连严重,腹侧和腹膜粘连紧密,完整切除左肾,取出标本,肾门处可触及肿大的淋巴结.肿瘤大体和病理镜下见图1E、F.术后病理:左肾多形性未分化肉瘤,肿物侵及左肾上腺,于肾周脂肪囊内可见多个肿物结节;(肾门)淋巴结可见肿物侵及2/5.
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