问题 单项选择题 A1/A2型题

子宫肌瘤合并妊娠易发生下列哪种变性()

A.玻璃样变

B.囊性变

C.红色变

D.脂肪变

E.肉瘤变

答案

参考答案:C

解析:肌瘤失去原有典型结构称肌瘤变性。①玻璃样(透明)变:最常见。切面漩涡状结构消失,代之以均质透明状物。镜下见变性区域平滑肌细胞消失,为透明的无结构区。②囊性交:常继发于玻璃样变,组织坏死液化所形成。③红色变:多发生于妊娠期或产褥期,肌瘤体积迅速增大。临床上可有急腹症表现。④脂肪变:多见于绝经后患者。⑤钙化:继发于脂肪变性,脂肪分解为甘油三酯,与血液中的磷酸盐、碳酸盐结合,形成钙化。⑥肉瘤变:即肌瘤恶性变,发生率低于1%。多见于年龄较大患者。

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