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18F-FDG PET/CT Findings of Omental Cake: A Case Report

癌症轉移的網膜餅在氟-18-FDG PET/CT上的表現:病例報告

摘要


腹膜被惡性腫瘤轉移,使大網膜上面的脂肪黏連增厚,像是一塊烤餅,放射學稱之爲網膜餅(omental cake)。臨床有很多種癌症可能造成廣泛的腹腔和腹膜轉移,其中最常見的惡性腫瘤依序是卵巢、腸胃道和乳房的惡性腫瘤。在此我們報告一例原發部位不明的惡性腹膜轉移,病人以廣泛腹膜的增厚和大量腹水表現;CA-125、CA-153以及CEA升高,是原發部位不明的腺癌(adenocarcinoma)轉移。本文並就氟-18-FDGPET/CT在診斷惡性腹膜轉移扮演的角色提出討論。

並列摘要


Omental cake refers to infiltration of the omental fat by material of soft-tissue density. Diffuse peritoneal and omental seeding are well-known forms of dissemination of metastatic carcinoma. The most common causes are metastases from the ovary, gastrointestinal tract or breast. We present a case of peritoneal carcinomatosis showing the appearance of caking on the PET/CT, with rising of CA-125, CA-153 and CEA. Ascitic fluid cytology suggested metastatic adenocarcinoma. The role of 18F-FDG PET/CT in diagnosing peritoneal carcinomatosis is discussed.

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