内镜超声引导下细针穿刺细胞学诊断胃壁上皮样恶性间皮瘤1例

Chinese Journal of Diagnostic Pathology(2020)

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Abstract
患者男,53岁.因腹水入院,查血肿瘤标记物(AFP、CA199、CEA、PSA-T、PSA-F)及腹水肿瘤标记物(CEA、AFP、CA125、CA153、CA199、CA242)阴性;抽取腹水送病理,细胞学诊断:高度增生的间皮细胞.内镜超声显示胃窦部黏膜下肿物,界较清,临床怀疑间质瘤,予对症治疗后出院.3个月后再次入院,腹水超声显示腹腔积液较前明显增加.患者进行腹盆增强CT+胃重建,显示胃窦壁明显增厚.PET/CT显示胃窦部代谢明显增高灶,界清,大小约4.4 cm×3.7 cm×3.8cm,SUVmax9.4(图1);行内镜超声引导下细针穿刺吸取活检术(EUS-FNA)获取胃窦后壁部肿物送病理.随后行腹腔镜探查,见膈面腹膜散在颗粒样结节,大网膜可见增厚,局部形成肿块,余网膜呈结节状.胃结肠韧带布满肿瘤结节,以胃远端、幽门管胃小弯为著,形成肿块.随后行超声刀切除部分大网膜肿物送病理.
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