A representative tissue block was selected from each case for genomic copy number analysis. Ten-micron sections were cut, and the lesional tissue was either macro- or microdissected from the normal ...

Although a diagnosis can usually be made without further investigation, other congenital melanocytic nevi can present in similar locations. A café-au-lait patch can present on the face, but its ...

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, ...

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 ...

A 31-year-old man presented to the dermatology clinic with a lifetime history of painful blue nodules that were distributed throughout his body and bled easily. His uncle had similar lesions, as did ...

The first description of a particular melanocytic nevus found in relatives from six cases of melanoma was made in 1978. [1] Although initially coined B-K moles, these moles soon acquired the name ...

Epidermal nevi are grouped by their clinical features, by the site of occurrence, and their extent of spread, but mostly by which epidermal cell predominates in the lesion. In some patients, multiple ...