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KMID : 1148920160500010085
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Nuclear Medicine and Molecular Imaging
2016 Volume.50 No. 1 p.85 ~ p.89
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Usefulness of 18F-FDG PET/CT to Detect Metastatic Mucinous Adenocarcinoma Within an Inguinal Hernia
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Seo Hyo-Jung
Min Byung-Wook
Eo Jae-Seon
Lee Sun-Il
Kang Sang-Hee
Jung Sung-Yup
Oh Sang-Chul
Choe Jae-Gol
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Abstract
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Metastatic mucinous adenocarcinoma in an inguinal hernia is a rare disease and the image findings of 18F-fluorodeoxyglucose (18F-FDG) positron emission tomography (PET)/computed tomography (CT) are little known. Here, we introduce a 57-year-old man with metastatic mucinous adenocarcinoma in an inguinal hernia. On initial 18F-FDG PET/CT, hypermetabolism was observed in mucinous adenocarcinoma of the cecum, and adenocarcinomas of the transverse and ascending colon, respectively. Follow-up 18F-FDG PET/CT revealed newly developed multiple hypermetabolism in peritoneal seeding masses and nodules in the pelvic cavity and scrotum. Peritoneal carcinomatosis in the right pelvic side wall was extended to the incarcerated peritoneum and mesentery in the right inguinoscrotal hernia.18F-FDG PET/CT was useful to reveal unexpected peritoneal seeding within the inguinal hernia. Also, this case demonstrated that metastatic mucinous adenocarcinomas had variably intense FDG uptake.
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KEYWORD
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Metastatic mucinous adenocarcinoma, Inguinal hernia, 18F-FDG PET/CT, Colorectal cancer
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