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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...
Pigmentation01:19

Pigmentation

The color of the skin is influenced by a number of pigments, including melanin, carotene, and hemoglobin. Recall that melanin is produced by cells called melanocytes, which are found scattered throughout the stratum basale of the epidermis. The melanin is transferred to the keratinocytes via melanosomes.
Melanin occurs in two primary forms: eumelanin that provides black and brown pigment and pheomelanin that provides red color. Dark-skinned individuals produce more melanin than those with pale...

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Related Experiment Video

Updated: Jun 6, 2026

Implantation and Evaluation of Melanoma in the Murine Choroid via Optical Coherence Tomography
05:46

Implantation and Evaluation of Melanoma in the Murine Choroid via Optical Coherence Tomography

Published on: December 2, 2022

Ocular melanoma.

Nora V Laver1, Margaret E McLaughlin, Jay S Duker

  • 1Tufts Medical Center, Boston, Massachusetts 02111, USA. nlaver@tuftsmedicalcenter.org

Archives of Pathology & Laboratory Medicine
|December 7, 2010
PubMed
Summary
This summary is machine-generated.

Intraocular melanoma, the most common noncutaneous melanoma, requires careful assessment of tumor features for prognosis. Accurate histopathology and cytogenetics are crucial for classifying uveal malignant melanomas and guiding treatment.

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Area of Science:

  • Ophthalmology
  • Oncology
  • Pathology

Background:

  • Intraocular melanoma of the ciliary body and choroid is the most common primary ocular malignant tumor in adults.
  • It represents the most frequent noncutaneous melanoma, highlighting its clinical significance.

Purpose of the Study:

  • To outline the key clinical features of intraocular melanoma.
  • To detail histopathologic findings and current treatment strategies.
  • To review emerging novel therapies for this condition.

Main Methods:

  • Prognostic assessment involves evaluating tumor location, size, histopathology, and cytogenetic abnormalities.
  • Tumor profiling aids in determining the risk of metastatic disease.
  • Fine-needle aspiration biopsy with cytogenetics is essential for classification.

Main Results:

  • Despite effective local tumor control, up to 50% of patients develop metastatic disease within 15 years.
  • Currently, no effective treatments exist for metastatic intraocular melanoma.
  • Accurate histopathological classification and cytogenetic analysis are critical for risk stratification.

Conclusions:

  • Pathologists must prioritize accurate tumor gross description and cellular histopathology.
  • The integration of fine-needle aspiration biopsy and cytogenetics is vital.
  • A new classification system for uveal malignant melanomas based on chromosome 3 status is introduced.