Primary Anorectal Melanoma
نویسندگان
چکیده
منابع مشابه
Primary Anorectal Melanoma
Primary malignant melanoma of the anus and rectum is a rare and aggressive neoplasm that tends to invade locally and metastasize early in the course of the disease. It is often misdiagnosed as hemorrhoids or as one of the other benign anorectal conditions and is thus linked to an overall poor prognosis and a 5-year survival rate of less than 20%. Optimal treatment is still controversial, and cu...
متن کاملPrimary Anorectal Melanoma: An Update
The anorectum is a rare anatomic location for primary melanoma. Mucosal melanoma is a distinct biological and clinical entity from the more common cutaneous melanoma. It portrays worse prognosis than cutaneous melanoma, with distant metastases being the overwhelming cause of morbidity and mortality. Surgery is the treatment of choice, but significant controversy exists over the extent of surgic...
متن کاملEndobronchial metastasis from primary anorectal melanoma
PATIENT Male, 64 FINAL DIAGNOSIS: Metastatic anorectal melanoma with endotracheal metastasis Symptoms: Fatigue • weight loss • hematochezia • cough MEDICATION None Clinical Procedure: Biopsy of anal mass • rigid bronchoscopy Specialty: Internal medicine • oncology • pulmonology. OBJECTIVE Rare disease. BACKGROUND Anorectal melanoma is a rare cancer with a poor prognosis. The mean survival...
متن کاملSynchronous Primary Anorectal Melanoma and Sigmoid Adenocarcinoma
A primary anorectal malignant melanoma is a rare tumor. Moreover, cases involving a synchronous anorectal melanoma and colon adenocarcinoma are extremely rare. The authors report a case of a synchronous anorectal melanoma and sigmoid adenocarcinoma in an 84-year-old man. The regions of the anorectal melanoma showed melanocytic nevi in the adjacent mucosa of the anal canal and rectum. A dysplast...
متن کاملEndoscopic diagnosis of primary anorectal melanoma
OBJECTIVE The present study retrospectively analyzed case data from 12 patients diagnosed with anorectal melanoma, with the purpose of identifying key diagnostic features at endoscopy. MATERIALS AND METHODS Images from colonoscopy were reviewed for all patients in order to establish the endoscopic features of primary anorectal melanoma. For the patients whose colonoscopic examinations include...
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ژورنال
عنوان ژورنال: Case Reports in Oncology
سال: 2014
ISSN: 1662-6575
DOI: 10.1159/000360814