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Title: Melanoma
Description: Dysplastic nevus evolving into malignant melanoma. This 40-year-old female member of a melanoma-prone family had a cluster of moles located on her back (a), which were believed to represent dysplastic nevi and were photographed to facilitate subsequent follow-up. When reexamined 18 months later, the upper dysplastic nevus (arrow) had developed a new 3-mm black nodule, which proved to be invasive malignant melanoma arising in a dysplastic nevus.

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Topics/Categories: Anatomy -- Skin
Cancer Types -- Melanoma
Cancer Types -- Skin Cancer
Cells or Tissue -- Abnormal Cells or Tissue
Type: Color, Photo
Source: National Cancer Institute
AV Number: AV-8500-3700
Date Created: 1985
Date Added: September 8, 2011
Reuse Restrictions: None - This image is in the public domain and can be freely reused. Please credit the source and, where possible, the creator listed above.