左腕部恶性肌周皮细胞瘤超声表现1例
Chinese Journal of Ultrasound in Medicine（2022）
Abstract
患者女,42岁,因发现左腕部肿物伴疼痛3年余入院.患者左腕背尺侧可扪及一隆起肿物,质软,推之不动,边界清晰,按压痛,关节无活动受限,局部肤温不高,指动血运感觉良好.超声检查:左腕关节尺侧皮下见40 mm×35 mm×18 mm类椭圆形实性中等回声肿块,边界清晰,边缘规整,包膜完整,肿物实质回声不均匀,见蜂窝状低回声区,环状血流信号丰富度:Ⅱ级,见图1a、图1b.肿物包绕尺骨,骨皮质连续光滑,见图1c.超声提示:左腕部实性肿块,恶性肿瘤可能性大(软组织肉瘤?).左腕关节DR:左腕关节未见明确骨质病变.术中所见:肿物局部膨大,浅黄色团块状,质稍韧,边界清.术后病理免疫组化诊断:(左腕)恶性肌周皮细胞瘤,见图1d.
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