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Related Concept Videos

Burn Injuries01:22

Burn Injuries

Burn injuries occur when the skin and underlying tissues are damaged due to exposure to heat, electricity, chemicals, radiation, or friction. They can vary in severity, from minor superficial burns to severe deep burns that can be life-threatening.
The damage results in the death of skin cells, which can lead to a massive loss of fluid. Dehydration, electrolyte imbalance, and renal and circulatory failure follow, which can be fatal. Burn patients are treated with intravenous fluids to offset...
Mutations01:35

Mutations

Mutations are changes in the sequence of DNA. These changes can occur spontaneously or they can be induced by exposure to environmental factors. Mutations can be characterized in a number of different ways: whether and how they alter the amino acid sequence of the protein, whether they occur over a small or large area of DNA, and whether they occur in somatic cells or germline cells.
Chromosomal Alterations Are Large-Scale Mutations
While point mutations are changes in a single nucleotide in...
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...
Biological Effects of Radiation02:59

Biological Effects of Radiation

All radioactive nuclides emit high-energy particles or electromagnetic waves. When this radiation encounters living cells, it can cause heating, break chemical bonds, or ionize molecules. The most serious biological damage results when these radioactive emissions fragment or ionize molecules. For example, α and β particles emitted from nuclear decay reactions possess much higher energies than ordinary chemical bond energies. When these particles strike and penetrate matter, they produce ions...
Nucleotide Excision Repair01:38

Nucleotide Excision Repair

DNA Distortion and Damage
Cells are regularly exposed to mutagens—factors in the environment that can damage DNA and generate mutations. UV radiation is one of the most common mutagens and is estimated to introduce a significant number of changes in DNA. These include bends or kinks in the structure, which can block DNA replication or transcription. If these errors are not fixed, the damage can cause mutations, which in turn can result in cancer or disease depending on which sequences are...
Nucleotide Excision Repair01:08

Nucleotide Excision Repair

Overview

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Related Experiment Videos

[Radiation-induced skin injuries].

Hideki Kamiya1

  • 1Division of Dermatology, Kizawa Memorial Hospital.

Nihon Rinsho. Japanese Journal of Clinical Medicine
|April 21, 2012
PubMed
Summary
This summary is machine-generated.

Radiation dermatitis, a skin condition from X-rays, presents early with erythema and potentially blistering. Chronic forms involve skin atrophy, telangiectasia, and may lead to malignant neoplasms like basal cell carcinoma.

Related Experiment Videos

Area of Science:

  • Dermatology
  • Radiation Oncology
  • Oncology

Context:

  • Radiation dermatitis is a common side effect of radiation therapy.
  • Understanding its progression is crucial for patient management.

Purpose:

  • To describe the clinical manifestations and progression of early and chronic radiation dermatitis.
  • To highlight potential long-term complications, including malignant transformation.

Summary:

  • Early radiation dermatitis, appearing within a week of high-dose X-radiation, involves erythema and possible blistering, leading to scarring.
  • Chronic radiation dermatitis manifests months to years later with skin atrophy, telangiectasia, and potential ulceration.
  • Malignant neoplasms, primarily basal cell carcinoma and squamous cell carcinoma, can develop after a long latent period.

Impact:

  • Provides a comprehensive overview of radiation dermatitis for clinicians and researchers.
  • Emphasizes the importance of monitoring for long-term complications and potential malignancies.