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Related Concept Videos

Skin Cancer01:30

Skin Cancer

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Skin cancer is a type of cancer that occurs when there is an abnormal growth of skin cells, usually triggered by damage to the DNA within the skin cells. It is primarily caused by exposure to ultraviolet (UV) radiation from the sun or artificial sources like tanning beds. Skin cancer is the most common type of cancer worldwide, and its incidence continues to rise.
Basal Cell Carcinoma (BCC): BCC is the most common type of skin cancer, accounting for about 80% of cases. It typically develops in...
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Assessment of the Rectum and Anus01:25

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Evaluating the rectum and anus plays a crucial role in conducting a thorough physical examination of the gastrointestinal system. Although it may be uncomfortable and often embarrassing for the patient, it holds immense diagnostic value, particularly in detecting gastrointestinal diseases and abnormalities. This guide will explain how to perform this assessment using inspection and palpation methods.
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...
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Related Experiment Video

Updated: May 5, 2026

Robot-assisted Total Mesorectal Excision and Lateral Pelvic Lymph Node Dissection for Locally Advanced Middle-low Rectal Cancer
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Anorectal melanoma. An update.

Angel Reina1, José Errasti2, Eloy Espín3

  • 1Unidad de Cirugía Colorrectal, Unidad de Gestión Clínica Cirugía y Area de Gestión Norte de Almería; Complejo Hospitalario Torrecárdenas, Almería, España.

Cirugia Espanola
|November 26, 2013
PubMed
Summary

Anorectal melanoma is rare and aggressive. Early diagnosis is key, as surgical approaches like wide local excision offer similar survival to radical surgery for this challenging cancer.

Keywords:
Abdominoperineal resectionAmputación abdominoperinealAnorectal melanomaAnorectal neoplasmChemoradiotherapyCirugía radicalMelanoma anorrectalNeoplasias anorrectalesQuimiorradioterapiaRadical surgeryResección localWide Local excision

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Area of Science:

  • Oncology
  • Surgical Pathology
  • Gastroenterology

Background:

  • Anorectal melanoma is an uncommon but aggressive malignancy.
  • Delayed diagnosis is frequent due to non-specific presenting symptoms, necessitating high clinical suspicion.

Purpose of the Study:

  • To review the clinicopathological features of anorectal melanoma.
  • To discuss current management strategies and oncological outcomes.

Main Methods:

  • Literature review of clinicopathological features.
  • Analysis of surgical and adjuvant treatment modalities.
  • Evaluation of treatment outcomes in anorectal melanoma.

Main Results:

  • Radical surgery and wide local excision show comparable survival rates.
  • Abdominoperineal resection is reserved for specific cases.
  • Indiscriminate groin dissection is not recommended; systemic chemotherapy has limited efficacy.
  • Radiation therapy can be utilized in conjunction with local excision or palliatively.

Conclusions:

  • Oncological outcomes for anorectal melanoma remain poor.
  • Management requires careful selection of surgical techniques and adjuvant therapies.
  • Further research is needed to improve treatment efficacy for this rare cancer.