The detection of tyrosinase mRNA in sentinel lymph nodes (SLNs) by reverse transcription polymerase chain reaction (RT-PCR) is a sensitive indicator for the presence of melanoma or nevus cells, but it ...

Dysplastic nevi are benign melanocytic tumors containing clonal populations of hyperproliferative melanocytes. Strictly speaking, dysplastic nevus is a histologic diagnosis, characterized by ...

A congenital nevus is a mole that you’re born with. These moles can be large or small, have hair growing out of them, or change over time. Congenital nevus (or nevi) is the medical term for a mole ...

Nevus (plural: nevi) is the medical term for a mole. Nevi are very common. Most people have between 10 and 40. Common nevi are harmless collections of colored cells. They typically appear as small ...

An epidermal nevus is formed of skin cells which proliferate abnormally in a noncancerous way, to produce a benign overgrowth in the outer layer of skin. It is usually present at birth, or is seen in ...

A blue nevus is a benign type of mole. It may appear as a blue lump on the skin. A blue nevus may be present at birth or develop as a person ages. Healthcare professionals refer to more than one blue ...

Nevus depigmentosus (ND) is an uncommon congenital dyspigmentation that presents as hypopigmented macules that remain stable over time. 12,13 Clinical criteria for ND include: (1) leukoderma present ...