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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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Related Experiment Video

Updated: Jun 26, 2025

Spatial and Temporal Control of Murine Melanoma Initiation from Mutant Melanocyte Stem Cells
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Anorectal mucosal melanoma.

Janet Alvarez1, J Joshua Smith2

  • 1Research Scholar, Memorial Sloan Kettering Cancer Center, Department of Surgery, 1275 York Avenue | SR-201, New York, NY 10065, USA.

Seminars in Colon & Rectal Surgery
|May 15, 2024
PubMed
Summary

Anorectal mucosal melanoma is rare, often diagnosed late, and challenging to treat. Current strategies focus on surgical excision, with ongoing research into immunotherapy and combination therapies for advanced cases.

Keywords:
Abdominoperineal resectionAnorectal mucosal melanomaImmune checkpoint inhibitionWide local excision

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Area of Science:

  • Oncology
  • Gastroenterology
  • Surgical Oncology

Background:

  • Anorectal mucosal melanoma is a rare malignancy, comprising less than 1% of all anorectal tumors.
  • Delayed diagnosis is common, frequently leading to advanced disease at presentation.
  • The rarity of this condition limits prospective trials for optimal treatment strategies.

Purpose of the Study:

  • To review current understanding and treatment approaches for anorectal mucosal melanoma.
  • To highlight the challenges posed by the rarity and late diagnosis of this cancer.
  • To discuss emerging therapeutic modalities and ongoing clinical trials.

Main Methods:

  • Literature review of anorectal mucosal melanoma.
  • Analysis of current surgical management preferences, including wide local excision.
  • Examination of recent advances in immunotherapy and targeted therapies.

Main Results:

  • Anorectal mucosal melanoma presents at advanced stages due to diagnostic delays.
  • Surgical excision, particularly wide local excision, remains a primary treatment.
  • Immunotherapy and targeted therapies represent recent advancements.

Conclusions:

  • Optimal treatment strategies for anorectal mucosal melanoma are still evolving due to its rarity.
  • Conservative surgical management is preferred.
  • Combination therapies, including neoadjuvant/adjuvant treatments, are being investigated for advanced or unresectable disease.