Splenic cysts are uncommon, and cysts derived from the accessory spleen are rare. We report a case of a huge splenic cyst derived from the accessory spleen in the omentum, concomitant with multiple epithelial cysts of the primary spleen. Both serum and cystic fluid concentrations of carbohydrate antigen (CA)19-9 were markedly elevated. A huge monolocular cyst occupied the entire abdomen. A total of 71 of aspirated cystic fluid was turbid and yellowish-brown. The cyst wall, which consisted of CA19-9-positive squamous epithelium, contained approximately 2 x 3 x 1cm of splenic tissue. There was a separate multicystic 16 x 8-cm spleen in the normal position. The CA19-9 serum level returned to normal postoperatively.
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机译：脾囊肿是罕见的，从脾脏衍生的囊肿很少见。我们报道了一例大网膜脾囊肿，其源自大网膜的副脾，并伴有原发脾的多个上皮囊肿。血清和囊性液中糖类抗原（CA）19-9的浓度均显着升高。一个巨大的单眼囊肿占据了整个腹部。总共71例吸出的囊性液呈浑浊和黄褐色。囊壁由CA19-9阳性鳞状上皮组成，包含约2 x 3 x 1cm的脾组织。正常位置有一个单独的多囊性16 x 8 cm脾脏。术后CA19-9血清水平恢复正常。
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