Incontinentia pigmenti.

Incontinentia pigmenti is a rare genodermatosis in which the skin involvement occurs in all patients. Additionally, other ectodermal tissues may be affected, such as the central nervous system, eyes, hair, nails and teeth. The disease has a X-linked dominant inheritance pattern and is usually lethal to male fetuses.

Pain evaluation in the cryosurgery of actinic keratoses.

Background: Background: Actinic keratosis is a frequently-encountered premalignant lesion occurring in areas exposed to sunlight in fair-skinned elderly or middle-aged people. Cryosurgery with liquid nitrogen is the most common method for treating the lesions.

Objectives: The primary objective of this study was to measure the intensity of pain during cryosurgery by using the Visual Analog Scale (VAS).

Generalized perforating granuloma annulare.

The authors present a clinicopathological case of Generalized Perforating Granuloma Annulare with extensive distribution of lesions, which are shown in various stages of development. Pustules, papular lesions in annular and arcuate distribution, erosions covered with hematic crusts, maculopapular atrophic areas and scars were the presentation forms of the disease. The histopathological aspects are discussed in detail within non-infectious granulomatous dermatitis.

Tinea pseudoimbricata caused by M. gypseum associated to crusted scabies.

Tinea pseudoimbricata is related to T. tonsurans and T. rubrum and crusted scabies is a highly contagious dermatosis caused by excessive proliferation of S.