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Items: 6

1.

Nevus

A circumscribed stable malformation of the skin and occasionally of the oral mucosa, which is not due to external causes and therefore presumed to be of hereditary origin. [from MeSH]

MedGen UID:
45074
Concept ID:
C0027960
Neoplastic Process
2.

Malignant melanoma

A malignant neoplasm derived from cells that are capable of forming melanin, which may occur in the skin of any part of the body, in the eye, or, rarely, in the mucous membranes of the genitalia, anus, oral cavity, or other sites. It occurs mostly in adults and may originate de novo or from a pigmented nevus or malignant lentigo. Melanomas frequently metastasize widely, and the regional lymph nodes, liver, lungs, and brain are likely to be involved. The incidence of malignant skin melanomas is rising rapidly in all parts of the world. (Stedman, 25th ed; from Rook et al., Textbook of Dermatology, 4th ed, p2445) [from MeSH]

MedGen UID:
9944
Concept ID:
C0025202
Neoplastic Process
3.

Melanoma

The presence of a melanoma, a malignant cancer originating from pigment producing melanocytes. Melanoma can originate from the skin or the pigmented layers of the eye (the uvea). [from HPO]

MedGen UID:
505377
Concept ID:
CN002586
Finding
4.

Blue nevus

MedGen UID:
452034
Concept ID:
CN117704
Finding
5.

Blue Nevus

An intradermal nevus characterized by the presence of benign pigmented dendritic spindle-shaped melanocytes. It most frequently occurs in the skin of the distal upper extremities, followed by the lower extremities, scalp, face, and buttocks. It usually presents as a single blue or blue-black papular lesion less than 1cm in diameter. Simple excision is usually curative. [from NCI]

MedGen UID:
104930
Concept ID:
C0206736
Neoplastic Process
6.

Mongolian blue spot

A bluish-gray to gray-brown benign, melanocytic nevus found usually in the LUMBOSACRAL REGION of dark-skinned people, especially those of East Asian ancestry. It is usually congenital or appears shortly after birth, and disappears in childhood. [from MeSH]

MedGen UID:
75591
Concept ID:
C0265985
Neoplastic Process
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