Nevus, Blue

Usually a benign tumor, that commonly presents as a solitary blue nodule with spindled MELANOCYTES covered by smooth SKIN. Several variants have been identified, one variant being malignant. The blue color is caused by large, densely packed melanocytes deep in the DERMIS of the nevus. In CHILDREN, they usually occur on the BUTTOCKS and LUMBOSACRAL REGION and are referred to as cellular blue nevi. Malignant blue nevi are more commonly found on the SCALP.

Year introduced: 1994

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Tree Number(s): C04.557.665.560.615.550

MeSH Unique ID: D018329

Entry Terms:

• Blue Nevus
• Blue Nevi
• Nevi, Blue
• Cellular Blue Nevus
• Nevus, Cellular Blue
• Blue Nevus, Cellular
• Cellular Blue Nevi
• Blue Nevi, Cellular
• Nevi, Cellular Blue

Previous Indexing:

• Nevus (1966-1993)
• Nevus, Pigmented (1967-1993)

See Also:

• Mongolian Spot

All MeSH Categories
Diseases Category
Neoplasms
Neoplasms by Histologic Type
Nevi and Melanomas
Nevus
Nevus, Pigmented
Nevus, Blue