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Case Report
- Colorectal neoplasia
- Primary malignant melanoma without melanosis of the colon
- Nam Hee Yi, Sang Heon Lee, Sang Heon Lee, Ji Hyun Kim, Sam Ryong Jee, Sang Yong Seol
- Intest Res 2019;17(4):561-564. Published online August 5, 2019
- DOI: https://doi.org/10.5217/ir.2019.00020
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Abstract
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ePub - Primary malignant melanoma (PMM) of the gastrointestinal tract is rare. Reported cases of PMM of the lower gastrointestinal tract typically describe anal and rectal involvement rather than colonic lesions. This report describes a rare case of a 50-year-old woman with PMM originating in the colon. The patient presented to Inje University Busan Paik Hospital with a 3-day history of blood-tinged stools. She underwent colonoscopy for a diagnosis of hematochezia. The colonoscopic examination revealed a large-sized semi-pedunculated sigmoid colon polyp with a reddish-colored mucosal surface. Endoscopic mucosal resection was performed, and the final histopathological findings were consistent with a diagnosis of malignant melanoma. Systemic work-up was performed for assessment of metastasis and to identify the primary tumor considering the high metastatic rate of gastrointestinal malignant melanoma; however, no other malignant lesion was detected. Thus, she was diagnosed with colonic PMM. She underwent laparoscopic low anterior resection and lymph node dissection and has been recurrence-free for > 2 years.
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Citations
Citations to this article as recorded by
- Primary melanoma of the gastrointestinal tract
Paola De Nardi, Stefania Guida, Giuseppe Damiano, Nathalie Rizzo, Ana Maria Samanes Gajate, Silvia Teresa Riva, Giovanni Paolino, Michele Colombo, Roberta Tummineri, Franco Rongioletti, Santo Raffaele Mercuri, Arturo Chiti, Pierpaolo Sileri, Vincenzo Russ
World Journal of Gastroenterology.2026;[Epub] CrossRef - Malignant primary melanoma of the colon: a case report
Claire K Foley, Marybeth S Hughes, Charles T Hehman
Journal of Surgical Case Reports.2023;[Epub] CrossRef
- Primary melanoma of the gastrointestinal tract
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- 187 Download
- 5 Web of Science
- 2 Crossref
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