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Increased Colonic Fluorodeoxyglucose Uptake in Melanosis Coli—A Case Series of Three Patients
oleh: Ryo Katsumata, Noriaki Manabe, Maki Ayaki, Tomohiro Tanikawa, Minoru Fujita, Yumika Ono, Hideyo Fujiwara, Mitsuhiko Suehiro, Yasumasa Monobe, Katsuya Kato, Hirofumi Kawamoto, Ken Haruma
Format: | Article |
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Diterbitkan: | Elsevier 2022-01-01 |
Deskripsi
We report 3 Japanese cases with increased colonic 18-fluorodeoxyglucose (FDG) uptake in association with melanosis coli. Case 1: A 56-year-old woman received 18-FDG positron emission tomography (PET) for comprehensive medical checkup. Case 2: A 79-year-old man received FDG-PET for follow-up evaluation for intestinal cancer. Case 3: A 51-year-old woman received FDG-PET for medical checkup. Each showed increased cecal and/or ascending colonic uptake without any colonic wall changes. Colonoscopy detected melanosis coli where FDG uptake was demonstrably increased. Neither malignancy nor inflammatory response was confirmed. Succeeding follow-ups showed neither malignant nor inflammatory lesions in any of the patients.