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Updated: Nov 16, 2025
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Published on: January 22, 2018
Variable features of 18F-fluorodeoxyglucose positron emission tomography-computed tomography scan in anorectal
1Department of Nuclear Medicine and PET-CT, HCG Cancer Hospital, Ahmedabad, Gujarat, India.
Abstract:
Anorectal malignant melanoma (ARM) is a rare variant of malignant melanoma and even more rare among all anorectal cancers. 18F-fluorodeoxyglucose (FDG) positron emission tomography-computed tomography (CT) scan is valuable in staging, restaging, treatment response evaluation, and long-term follow-up of malignant melanoma. Here, reporting two cases of anorectal melanoma with a variety of FDG uptake pattern and CT-based features and reviewed a few articles to evaluate the pattern of FDG uptake.
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