The Spitz nevus is a benign melanocytic lesion that can be identified reliably in many cases by conventional histopathological criteria. However, there are subsets of Spitz nevi and of malignant ...

Nevus of Ota is a type of dermal melanocytosis (excessive melanocytes in the tissues) that causes the hyperpigmentation of an eye and the surrounding area. It often takes the form of bluish or ...

Melanocytes arise from neural crest cells and populate the epidermis through migration. In all dermal melanocytosis subtypes, melanocyte migration is believed to be arrested in the dermis, leading to ...

Please provide your email address to receive an email when new articles are posted on . A diagnosis of ocular melanoma can lead to grave outcomes, including enucleation and systemic spread.

Recurrent nevus phenomenon and regression in melanoma may have overlapping histologic features. The clinical findings and histologic changes in 357 cases of recurrent nevus phenomenon were compared ...

Histologically (Figure 2), elongated dendritic melanocytes are scattered widely in the papillary to mid reticular dermis. These melanocytes stain weakly with 3,4-dihydroxyphenylalanine, which ...

An intradermal nevus (also called an intradermal melanocytic nevus) is simply a classic mole or birthmark. It typically appears as an elevated, dome-shaped bump on the surface of the skin. It’s ...

Melanocytic nevi are a category of benign melanocytic proliferations with a number of subtypes. These include congenital melanocytic nevi, blue nevi, acquired melanocytic nevi, and Spitz nevi. Many of ...

The man’s nasal lesion was in all likelihood a blue nevus. Blue nevi are visible manifestations of dermal melanocytosis that occur in solitary blue or gray-blue papules. The most common sites of ...

Blue nevi are a category of melanocytic tumors, which arise from the proliferation of dermal dendritic melanocytes to form an acquired pigmented mole. They are also called pigmented nevi, ...

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 of Ota, or nevus fuscoceruleus ophthalmomaxillaris, is a dermal melanocytic hamartoma that presents as bluish hyperpigmentation along the first or second branches of the trigeminal nerve.