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A Melanoma Patient-Derived Xenograft Model

A Melanoma Patient-Derived Xenograft Model

Published on: May 20, 2019

Anorectal Melanoma: A Case Report.

Papa Amoako-Teming^1,2, Pouya Rostami^2,1, Pawan Mehta^2,1

¹Department of Surgery, St. Peter's University Hospital, New Brunswick, USA.

|December 18, 2023

Summary

Anorectal mucosal melanoma (AMM) is a rare and aggressive cancer. Early diagnosis is difficult due to nonspecific symptoms, leading to poor prognoses and high metastasis rates.

Keywords:

anorectal melanoma malignant melanoma initial presentation melanoma skin cancer mucosal malignant melanoma rectal malignant melanoma

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Implantation and Evaluation of Melanoma in the Murine Choroid via Optical Coherence Tomography

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Area of Science:

Oncology
Gastroenterology
Dermatology

Background:

Anorectal mucosal melanoma (AMM) is a rare, aggressive malignancy.
AMM diagnosis is challenging due to nonspecific symptoms like rectal bleeding.
The incidence of AMM appears to be increasing.

Observation:

Presents a case of stage IV anorectal melanoma with initial nonspecific symptoms.
Highlights the scarcity of comprehensive literature on AMM.
Notes that most available data comprises isolated case reports.

Findings:

AMM is often diagnosed at a metastatic stage.
Surgical resection is the primary treatment, but over 80% experience distant metastasis within five years.
The five-year survival rate for AMM ranges from 6% to 22%.

Implications:

Emphasizes the need for increased awareness and research into AMM.
Suggests improved diagnostic strategies are crucial for better patient outcomes.
Underscores the poor prognosis and challenges in treating advanced AMM.