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Related Concept Videos

Skin Cancer01:30

Skin Cancer

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...
Cancer Survival Analysis01:21

Cancer Survival Analysis

Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...
Comparing the Survival Analysis of Two or More Groups01:20

Comparing the Survival Analysis of Two or More Groups

Survival analysis is a cornerstone of medical research, used to evaluate the time until an event of interest occurs, such as death, disease recurrence, or recovery. Unlike standard statistical methods, survival analysis is particularly adept at handling censored data—instances where the event has not occurred for some participants by the end of the study or remains unobserved. To address these unique challenges, specialized techniques like the Kaplan-Meier estimator, log-rank test, and Cox...
Changes in Skin Color: Clinical Perspectives01:14

Changes in Skin Color: Clinical Perspectives

The first thing a clinician sees is the skin, so the examination of the skin should be part of any thorough physical examination. Most skin disorders are relatively benign, but a few, including melanomas, can be fatal if untreated. A couple of the more noticeable disorders, albinism and vitiligo, affect the appearance of the skin and its accessory organs.
Albinism
Albinism is a genetic disorder that affects (completely or partially) the coloring of skin, hair, and eyes. The defect is primarily...
Bias in Epidemiological Studies01:29

Bias in Epidemiological Studies

Biases can arise at various stages of research, from study design and data collection to analysis and interpretation. Recognizing and addressing these biases is essential to ensure the validity and reliability of epidemiological findings.Broadly speaking, biases in epidemiology fall into three main categories: selection bias, information bias, and confounding. A more detailed description of possible biases is:
Kaplan-Meier Approach01:24

Kaplan-Meier Approach

The Kaplan-Meier estimator is a non-parametric method used to estimate the survival function from time-to-event data. In medical research, it is frequently employed to measure the proportion of patients surviving for a certain period after treatment. This estimator is fundamental in analyzing time-to-event data, making it indispensable in clinical trials, epidemiological studies, and reliability engineering. By estimating survival probabilities, researchers can evaluate treatment effectiveness,...

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Related Experiment Video

Updated: Jun 25, 2026

Pharmacologic Induction of Epidermal Melanin and Protection Against Sunburn in a Humanized Mouse Model
12:37

Pharmacologic Induction of Epidermal Melanin and Protection Against Sunburn in a Humanized Mouse Model

Published on: September 7, 2013

Racial Disparities in Cutaneous Melanoma Mortality: A Systematic Review and Meta-Analysis.

Caitlin L Penny1, Jamie Lebhar2, Beiyu Liu3

  • 1Department of Dermatology, University of California San Diego, San Diego, CA, USA.

Journal of Racial and Ethnic Health Disparities
|June 24, 2026
PubMed
Summary
This summary is machine-generated.

Racial and ethnic minorities face worse melanoma survival outcomes. Black, Asian/Pacific Islander, and Hispanic patients have a significantly increased risk of death compared to White patients, highlighting persistent health disparities.

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Related Experiment Videos

Last Updated: Jun 25, 2026

Pharmacologic Induction of Epidermal Melanin and Protection Against Sunburn in a Humanized Mouse Model
12:37

Pharmacologic Induction of Epidermal Melanin and Protection Against Sunburn in a Humanized Mouse Model

Published on: September 7, 2013

A Robust Discovery Platform for the Identification of Novel Mediators of Melanoma Metastasis
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Published on: March 8, 2022

Spatial and Temporal Control of Murine Melanoma Initiation from Mutant Melanocyte Stem Cells
06:09

Spatial and Temporal Control of Murine Melanoma Initiation from Mutant Melanocyte Stem Cells

Published on: June 7, 2019

Area of Science:

  • Oncology
  • Public Health
  • Health Disparities

Background:

  • Cutaneous melanoma is a significant cancer diagnosis in the U.S., accounting for 5% of new cases.
  • Despite treatment advances, racial, ethnic, and socioeconomic disparities in melanoma outcomes persist.
  • Understanding these disparities is crucial for improving patient care and reducing health inequities.

Purpose of the Study:

  • To investigate racial and ethnic disparities in melanoma survival rates.
  • To identify opportunities for interventions aimed at improving outcomes for melanoma patients from minority groups.
  • To provide evidence-based insights into melanoma mortality differences across racial and ethnic lines.

Main Methods:

  • A systematic review and meta-analysis was conducted using data from PubMed/Medline, EMBASE, and Web of Science up to February 2021.
  • Included studies reported mortality statistics by race/ethnicity for melanoma patients in the United States.
  • The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines were followed for study selection and data extraction.

Main Results:

  • The meta-analysis included five studies published between 1992 and 2015.
  • Black patients (HR 1.31) and Asian/Pacific Islander patients (HR 1.31) showed a 31% increased risk of melanoma death compared to White patients.
  • Hispanic patients (HR 1.09) had a 9% increased risk of death, while American Indian/Alaskan Native patients showed no significant difference (HR 0.94) compared to White patients.

Conclusions:

  • This meta-analysis confirms significantly worse melanoma survival outcomes for racial and ethnic minority groups compared to White patients.
  • The findings underscore the need for current research to identify and implement targeted interventions to reduce these disparities.
  • Addressing these health inequities is essential for achieving equitable melanoma patient outcomes.