INTRODUCTION Pityriasis rubra pilaris is an uncommon inflammatory and hyperproliferative dermatosis of juvenile or adult onset. The etiology of the disease is still unknown. CASE PRESENTATION We present the cases of two Caucasian men aged 53 and 48 who presented with pityriasis rubra pillaris type 1; both patients also exhibited an abnormal immunological profile. CONCLUSION Pityriasis rubra...

The warm tropical climate of the Philippines and its interaction with cultural practices, occupation and immune responsiveness contribute to the increased susceptibility of Filipinos to fungal infections. An investigation to determine the prevalence of fungal infections in dermatology training institutions over a 4-year period was conducted. The results showed that fungal infections rank as the...

Pityriasis versicolor is a superficial fungal infection of the skin caused by yeast of the genus Malassezia. It is characterized by hypopigmented or hyperpigmented macules and patches usually involving the trunk [1]. The variants of pityriasis versicolor include hypochromic, hyperchromic, combination of hypo-hyperchromic, erythematous, circinate, atrophic and acral [2-4]. However, the follicula...

INTRODUCTION Pityriasis rosea is a self-limited inflammatory condition of the skin that mostly affects healthy children and adolescents. Atypical cases of Pityriasis rosea are fairly common and less readily recognized than typical eruptions, and may pose a diagnostic challenge. CASE PRESENTATION We report the case of a 12-year-old black child that developed an intense pruritic papular eruptio...

Epidermodysplasia verruciformis is an inherited disorder, characterized by multiple plane warts, pityriasis versicolor-like lesions, defects of cell-mediated immunity, and tendency to develop skin malignancies, primarily on sun-exposed areas. In this article, we present a case of epidermodysplasia verruciformis with multiple plane warts, pityriasis versicolor-like lesions, and squamous cell car...

BACKGROUND Pityriasis alba affects 1% of the world population and about 9.9% of the children in Brazil. However, its etiology remains uncertain. OBJECTIVE The objective of the present study was to evaluate the immunoexpression of factor XIIIa in dermal dendrocytes of skin lesions of pityriasis alba. METHOD Twenty patients with pityriasis alba and 20 patients with atopic dermatitis underwent...

Pityriasis versicolor is a common superficial fungal infection of the skin which is caused by various species of yeast of the genus Malassezia and is clinically characterized by scaly hypo pigmented or hyper pigmented macules usually involving the upper trunk, upper arms, neck and abdomen [1]. Lesions of pityriasis versicolor confined to face has rarely been reported. In this article the author...

Yaumatei Dermatology Clinic, 12/F, Yaumatei Specialist Clinic, 143 Battery Street, Kowloon, Hong Kong Pityriasis lichenoides chronica belongs to a group of disease collectively called pityriasis lichenoides. This disease generally runs a benign but protracted course. In this report a 9-year-old boy who has this condition for one year was described. Pityriasis lichenoides with emphasis on its ch...

conclusions this study showed m. globosa to be the most common malassezia species isolated from malassezia skin disorders in kashan, iran. the pcr-rflp method was useful in the rapid identification of the malassezia species. by using these methods, the detection and identification of individual malassezia species from clinical samples was substantially easier. patients and methods a total of 14...

Pityriasis Rubra Pilaris (PRP) is a chronic and rare papulosquamous disorder. Treatment of Pityriasis Rubra Pilaris is based on empiric evidence because of several doubts regarding its etiology and also because of its relative rarity, making randomized studies difficult to perform. Some factors suggest that the metabolism of vitamin A is involved in pathogenesis. We report a case of Pityriasis ...