Rectal Melanocarcinoma in an Elderly: A Case Report
Rectal melanocarcinoma is a rare and aggressive malignancy often misdiagnosed due to non specific presentation. Hereby the authors present a case of a 71-year-old male who presented with mild anal pain and occasional bleeding, along with a 3 cm protruding mass from the anal canal. Clinical examinati...
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JCDR Research and Publications Private Limited
2025-04-01
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| Series: | Journal of Clinical and Diagnostic Research |
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| Online Access: | https://jcdr.net/articles/PDF/20829/77468_CE[Ra1]_F(SHU)_QC(PS_OM)_PF1(JY_OM)_PFA(IS)_PB(JY_IS)_PN(IS).pdf |
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| author | Abhishek Ghose Biswas Kishore M Hiwale |
| author_facet | Abhishek Ghose Biswas Kishore M Hiwale |
| author_sort | Abhishek Ghose Biswas |
| collection | DOAJ |
| description | Rectal melanocarcinoma is a rare and aggressive malignancy often misdiagnosed due to non specific presentation. Hereby the authors present a case of a 71-year-old male who presented with mild anal pain and occasional bleeding, along with a 3 cm protruding mass from the anal canal. Clinical examination identified thrombosed external haemorrhoids and a suspicious 2 cm mass. Routine blood tests and Echocardiography (ECG) were unremarkable, but proctoscopic examination confirmed the presence of the mass, which was surgically excised. Histopathological analysis of the excised tissue revealed spindle and polygonal cells with prominent macronucleoli and melanin pigment in the cytoplasm, particularly at the squamocolumnar junction. Microscopic examination at various magnifications supported the diagnosis of rectal melanocarcinoma. Despite surgical intervention, the prognosis for rectal melanocarcinoma remains poor due to its aggressive nature and high potential for metastasis. The present case underscores the critical importance of early recognition and thorough histopathological evaluation of atypical anorectal lesions to avoid misdiagnosis. |
| format | Article |
| id | doaj-art-599324f174654cb49e817d7bf50b8dd5 |
| institution | OA Journals |
| issn | 2249-782X 0973-709X |
| language | English |
| publishDate | 2025-04-01 |
| publisher | JCDR Research and Publications Private Limited |
| record_format | Article |
| series | Journal of Clinical and Diagnostic Research |
| spelling | doaj-art-599324f174654cb49e817d7bf50b8dd52025-08-20T02:08:58ZengJCDR Research and Publications Private LimitedJournal of Clinical and Diagnostic Research2249-782X0973-709X2025-04-01194010310.7860/JCDR/2025/77468.20829Rectal Melanocarcinoma in an Elderly: A Case ReportAbhishek Ghose Biswas0Kishore M Hiwale1Junior Resident, Department of Pathology, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Sawangi, Wardha, Maharashtra, India.Professor, Department of Pathology, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Sawangi, Wardha, Maharashtra, India.Rectal melanocarcinoma is a rare and aggressive malignancy often misdiagnosed due to non specific presentation. Hereby the authors present a case of a 71-year-old male who presented with mild anal pain and occasional bleeding, along with a 3 cm protruding mass from the anal canal. Clinical examination identified thrombosed external haemorrhoids and a suspicious 2 cm mass. Routine blood tests and Echocardiography (ECG) were unremarkable, but proctoscopic examination confirmed the presence of the mass, which was surgically excised. Histopathological analysis of the excised tissue revealed spindle and polygonal cells with prominent macronucleoli and melanin pigment in the cytoplasm, particularly at the squamocolumnar junction. Microscopic examination at various magnifications supported the diagnosis of rectal melanocarcinoma. Despite surgical intervention, the prognosis for rectal melanocarcinoma remains poor due to its aggressive nature and high potential for metastasis. The present case underscores the critical importance of early recognition and thorough histopathological evaluation of atypical anorectal lesions to avoid misdiagnosis.https://jcdr.net/articles/PDF/20829/77468_CE[Ra1]_F(SHU)_QC(PS_OM)_PF1(JY_OM)_PFA(IS)_PB(JY_IS)_PN(IS).pdfanorectal masshistopathologymalignant melanomarare malignancy |
| spellingShingle | Abhishek Ghose Biswas Kishore M Hiwale Rectal Melanocarcinoma in an Elderly: A Case Report Journal of Clinical and Diagnostic Research anorectal mass histopathology malignant melanoma rare malignancy |
| title | Rectal Melanocarcinoma in an Elderly: A Case Report |
| title_full | Rectal Melanocarcinoma in an Elderly: A Case Report |
| title_fullStr | Rectal Melanocarcinoma in an Elderly: A Case Report |
| title_full_unstemmed | Rectal Melanocarcinoma in an Elderly: A Case Report |
| title_short | Rectal Melanocarcinoma in an Elderly: A Case Report |
| title_sort | rectal melanocarcinoma in an elderly a case report |
| topic | anorectal mass histopathology malignant melanoma rare malignancy |
| url | https://jcdr.net/articles/PDF/20829/77468_CE[Ra1]_F(SHU)_QC(PS_OM)_PF1(JY_OM)_PFA(IS)_PB(JY_IS)_PN(IS).pdf |
| work_keys_str_mv | AT abhishekghosebiswas rectalmelanocarcinomainanelderlyacasereport AT kishoremhiwale rectalmelanocarcinomainanelderlyacasereport |