What should you know about melanoma anorectal?

Anorectal melanoma can arise from pigment-producing cells in the lining of the anal canal or rectum. Symptoms may resemble haemorrhoids or other bowel conditions, including rectal bleeding, discomfort, altered bowel habit, discharge, or a feeling of a mass. These symptoms do not identify the cause by themselves. Examination may include inspection, a digital examination, endoscopy, imaging, and a biopsy. The pathology report confirms whether melanoma is present and helps guide staging and treatment.

Arrange assessment rather than treating persistent bleeding as haemorrhoids without review. Tell the clinician about changes in bowel habits, pain, discharge, weight change, previous skin lesions, and medicines that affect bleeding. If melanoma is diagnosed, a specialist team may discuss local surgery, staging procedures such as sentinel lymph node biopsy, or systemic treatment such as immunotherapy. The plan depends on the tumour location, depth, spread, and your general health.

Contact a clinician promptly for blood from the rectum, a new or persistent anal lump, unexplained anal pain, a change in bowel control, or symptoms that keep returning. Seek urgent care for heavy bleeding, faintness, severe abdominal pain, inability to pass stool or gas, or rapidly increasing swelling. Early review helps distinguish common anorectal conditions from problems needing specialist treatment.

Ask where the lesion is located, which biopsy or scans are needed, whether lymph nodes require assessment, how bowel function may be affected by treatment, and who will coordinate follow-up.