Becker Nevus of the LegWith Lipoatrophy Becker nevus presentsmost commonly as a patchy hyperpigmentation with dark hairs on the upper arms or the shoulder girdle ofmale patients. Its prevalencehas beendetermined at 0.52 percent in a large cohort ofmale Frenchmilitary recruits between the ages of 17 and 26 years.1 Themale to female ratio of Becker nevus has been approximated to be about 4:1, alt...

Psoriasis is an inflammatory disorder characterized by peculiar skin and joint manifestations. The most common clinical presentation is a scaly erythematous plaque with thick silvery white scale. Psoriasis with verrucous appearance is a rare variant of the disease with characteristic clinical and pathological features; it might be confused with many other lesions including warts, epidermal nevu...

Actas Dermosifiliogr. 2009;100:615-34 626 some forms of brain tumor; although such outcomes have not been demonstrated for melanoma. The cells of retinoblastoma, melanoma and dysplastic nevus are derived from the neural crest. There are authors who postulate that patients with retinoblastoma and dysplastic nevus syndrome have increased genetic susceptibility to melanoma due to a primary anomaly...

We report the case of a 33-year-old woman who presented with skin manifestations that resulted in a differential diagnosis of either an epidermal nevus or a localized form of Darier's disease. We discuss the arguments for and against each possibility. The available data on localized forms of Darier's disease are also discussed.

Verrucous epidermal nevi ― hamartomas of keratinocyte or appendages, located on the skin mucous membranes in form isolated birthmarks, less often have a linear localization. The pathogenesis verrucous has not been fully defined, probably development disease is associated with genetic mutations during embryogenesis and represent special mosaicism. are pathologies that require attention as potent...