A Primary Large Anorectal Melanoma That Causes Intermittent Rectal Bleeding and Appears as a Hemorrhoid
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...
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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...
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Introduction Ano-rectal bleeding is a common symptom which may be associated with local conditions such as haemorrhoids and fissures but may also be the presenting symptom with neoplasia, diverticular disease or inflammatory disease of the colon or rectum. Many patients with rectal or colonic disease have associated symptoms such as change of bowel habit or loss of weight, and it is uncertain h...
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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 کاملThe incidence and causes of rectal bleeding.
Sir, The conclusion of JV Metcalf and colleagues,' that all patients over the age of 40 presenting in general practice with rectal bleeding should be referred for flexible sigmoidoscopy or colonoscopy, needs further scrutiny before it becomes part of 'routine good practice', or before dissemination to the public by the popular media occurs. Metcalf et al, in their study, observed the incidence ...
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ژورنال
عنوان ژورنال: Clinical Gastroenterology and Hepatology
سال: 2020
ISSN: 1542-3565
DOI: 10.1016/j.cgh.2019.01.034