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相关概念视频

Cancer Prevention02:59

Cancer Prevention

Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...
Cancer Prevention02:59

Cancer Prevention

Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...
Renewal of Skin Epidermal Stem Cells01:12

Renewal of Skin Epidermal Stem Cells

The skin is divided into epidermis, dermis, and hypodermis, the skin's outermost, middle, and inner layers. The human epidermal layer regularly undergoes renewal, where old, dead cells are replaced by new cells. Epidermal stem cells or EpiSCs divide and differentiate to restore the lost cells. For the renewal process, some EpiSCs continuously self-renew. In contrast, few others differentiate into transit-amplifying cells, which later form prickle or spinous cells, followed by granular cells,...
Skin Diseases and Disorders01:23

Skin Diseases and Disorders

Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
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 Vaccines01:30

Cancer Vaccines

Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...

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相关实验视频

Updated: May 10, 2026

The Three-Dimensional Human Skin Reconstruct Model: a Tool to Study Normal Skin and Melanoma Progression
11:02

The Three-Dimensional Human Skin Reconstruct Model: a Tool to Study Normal Skin and Melanoma Progression

Published on: August 3, 2011

皮肤癌查:美国预防服务工作组建议声明

, Kirsten Bibbins-Domingo1, David C Grossman2

  • 1University of California, San Francisco.

JAMA
|July 27, 2016
PubMed
概括

目前的证据不足以确定临床医生的视觉皮肤检查是否有效地选成人皮肤癌. 需要更多的研究来平衡潜在的好处与不必要的活检和过度诊断等危害.

更多相关视频

Cell Population Analyses During Skin Carcinogenesis
06:53

Cell Population Analyses During Skin Carcinogenesis

Published on: August 21, 2013

Chemical-Induced Skin Carcinogenesis Model Using Dimethylbenz[a]Anthracene and 12-O-Tetradecanoyl Phorbol-13-Acetate (DMBA-TPA)
04:12

Chemical-Induced Skin Carcinogenesis Model Using Dimethylbenz[a]Anthracene and 12-O-Tetradecanoyl Phorbol-13-Acetate (DMBA-TPA)

Published on: December 19, 2019

相关实验视频

Last Updated: May 10, 2026

The Three-Dimensional Human Skin Reconstruct Model: a Tool to Study Normal Skin and Melanoma Progression
11:02

The Three-Dimensional Human Skin Reconstruct Model: a Tool to Study Normal Skin and Melanoma Progression

Published on: August 3, 2011

Cell Population Analyses During Skin Carcinogenesis
06:53

Cell Population Analyses During Skin Carcinogenesis

Published on: August 21, 2013

Chemical-Induced Skin Carcinogenesis Model Using Dimethylbenz[a]Anthracene and 12-O-Tetradecanoyl Phorbol-13-Acetate (DMBA-TPA)
04:12

Chemical-Induced Skin Carcinogenesis Model Using Dimethylbenz[a]Anthracene and 12-O-Tetradecanoyl Phorbol-13-Acetate (DMBA-TPA)

Published on: December 19, 2019

科学领域:

  • 皮肤病学
  • 预防医学
  • 癌症学

背景情况:

  • 黑色素瘤的死亡率高于基底细胞癌和状细胞癌.
  • 在2016年,估计有76,400名美国人患上黑色素瘤,其中10,100人死亡.
  • 美国预防服务工作组 (USPSTF) 在2009年发布了建议.

研究的目的:

  • 提供基于证据的关于2009年USPSTF关于皮肤癌查的建议.
  • 评估临床视觉皮肤检查在减少皮肤癌发病率和死亡率方面的有效性.

主要方法:

  • 对皮肤癌查视觉皮肤检查的证据进行系统审查.
  • 与常规护理相比,对查的有效性,潜在的危害,测试特征和早期检测的评估.
  • 包括对初级保健医生和皮肤科医生的研究.

主要成果:

  • 对视觉皮肤检查降低黑色素瘤发病率和死亡率的有效性有有限的直接证据.
  • 关于危害的信息,如不必要的活检和过度诊断,很少,但潜在的危害得到了认可.
  • 现有证据的质量,包括一个关键的生态研究,具有显著的方法限制.

结论:

  • 目前的证据不足以评估临床医生对成年人皮肤癌查的视觉皮肤检查的益处和危害.
  • 一个"I"声明表明没有足够的证据来推或反对查.
  • 需要进一步的研究来澄清皮肤癌查的净益.