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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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A 3D Organotypic Melanoma Spheroid Skin Model
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Dermoscopic structures and patterns used in melanoma detection.

Maria J Lalama1, Alejandra Avila1, Natalia Jaimes2,3

  • 1Dr. Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, USA.

Italian Journal of Dermatology and Venereology
|April 15, 2024
PubMed
Summary
This summary is machine-generated.

Early detection of melanoma, the deadliest skin cancer, is key. Dermoscopy, a visual aid for skin exams, significantly improves melanoma diagnosis and reduces unnecessary biopsies when clinicians are properly trained.

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Area of Science:

  • Dermatology
  • Oncology
  • Medical Imaging

Background:

  • Melanoma is the primary cause of skin cancer mortality.
  • Early detection through physician or self-skin exams is crucial for survival.
  • Dermoscopy enhances physician-performed skin exams by visualizing subsurface structures.

Purpose of the Study:

  • To review the dermoscopic structures and patterns essential for melanoma detection.
  • To highlight the benefits of dermoscopy in improving diagnostic accuracy for skin cancer.
  • To emphasize the importance of dermoscopy training for clinicians.

Main Methods:

  • Review of existing evidence on dermoscopy's efficacy in skin cancer diagnosis.
  • Description of characteristic dermoscopic features of nevi versus melanomas.
  • Explanation of how dermoscopy aids in differentiating benign from malignant lesions.

Main Results:

  • Dermoscopy improves diagnostic accuracy for melanoma and other skin cancers.
  • It reduces unnecessary biopsies of benign lesions and improves the benign-to-malignant ratio.
  • Trained clinicians can differentiate nevi (organized, 1-2 colors/structures) from melanomas (disorganized, >2 colors, specific structures).

Conclusions:

  • Dermoscopy is a valuable, non-invasive tool for enhancing melanoma detection.
  • Improved diagnostic accuracy with dermoscopy is dependent on adequate clinician training.
  • Familiarity with dermoscopic patterns is key for effective early melanoma diagnosis.