Indian Journal of Nuclear Medicine
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CASE SERIES
Year : 2021  |  Volume : 36  |  Issue : 2  |  Page : 168-172

18F-fluorodeoxyglucose positron emission tomography/computed tomography in the evaluation of anorectal malignant melanoma: A case series


1 Department of Nuclear Medicine, Mahajan Imaging Centre, Sir Ganga Ram Hospital, New Delhi, India
2 Department of Pathology, Sir Ganga Ram Hospital, New Delhi, India

Correspondence Address:
Dr. Nitin Gupta
Department of Nuclear Medicine, Mahajan Imaging Centre, Sir Ganga Ram Hospital, New Delhi
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijnm.IJNM_152_20

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Melanomas are the malignancies that can affect any anatomic region where melanocytes exist (such as the epidermis, eyes, nasal cavity, and anus). Anorectal melanoma is a rare mucosal melanocytic malignancy, comprising 0.8% of all anorectal malignancies. Here, we report a case series of three patients of anorectal melanoma and role of positron emission tomography/computed tomography in diagnosis and follow-up to evaluate the local recurrence and distant metastases. Of three patients, two presented with rectal bleeding and one with obstruction. One patient had recurrence after 10 months, other after 24 months, and third remained disease free post surgery till 9 months.


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