孕妇阴道尤因肉瘤超声表现1例

张璐,马斌

Chinese Journal of Medical Imaging Technology(2023)

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Abstract
患者女,21岁,孕2产1 ,孕20周;腹胀伴肛门坠胀2月余,外院超声提示盆腔囊肿,未接受任何治疗.产科查体:于阴道壁左侧处女膜缘1 cm至左穹窿下0. 5 cm处触及较大包块,位置固定,质硬,无压痛.经腹超声:孕妇阴道内87 mm × 74 mm × 73 m m囊实性混合占位,形态尚规整,边界尚清晰,实性部分以不均匀稍高回声为主、囊性部分透声尚可,后方回声增强;CDFI于其实性部分探及短条状血流信号;脉冲多普勒(pulsed wave Doppler ,PWD)示阻力指数(resistance index ,RI)0.71 (图1A );胎儿未见明显异常.超声诊断:孕妇阴道内囊实混合性占位,考虑恶性肿瘤可能;宫内妊娠,单活胎.M RI:孕妇阴道内左侧壁83 mm × 78 mm × 81 mm囊实性占位,考虑间叶源性恶性肿瘤(图1B ).行阴道肿物活检术;光镜下见小圆细胞致密排列(图1C );免疫组织化学示CD99 (弥漫膜+);病理诊断:(阴道)尤因肉瘤.遂终止妊娠,行新辅助化疗;复查经腹超声见阴道内左侧壁68 mm × 62 mm × 63 mm不均匀稍高回声占位,CDFI于其内探及点状血流信号,PWD 示 RI为 0. 61 (图1D) ;拟择期予以手术治疗.
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Key words
vaginal neoplasms,sarcoma,Ewing,pregnancy,ultrasonography
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