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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
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Related Experiment Video

Updated: Apr 15, 2026

A 3D Organotypic Melanoma Spheroid Skin Model
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Malignant rectal melanoma. Case report.

Andrea Morlino, Giuseppe La Torre, Giulia Vitagliano

    Annali Italiani Di Chirurgia
    |March 31, 2015
    PubMed
    Summary

    This case report details the diagnosis and management of anorectal melanoma, an aggressive cancer. Surgical resection is the primary treatment, though optimal surgical approach and adjuvant therapies require further investigation.

    Area of Science:

    • Gastroenterology
    • Surgical Oncology
    • Dermatology

    Background:

    • Anorectal melanoma is a rare and aggressive malignancy, representing the third most common site for melanoma after the skin and eyes.
    • Diagnosis can be challenging due to non-specific symptoms like anal pain and rectal bleeding, and the potential for amelanotic presentation.
    • The anorectum is a unique anatomical site for melanoma, necessitating specialized diagnostic and management approaches.

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