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 ...

BACKGROUND Pityriasis versicolor is a common chronic superficial fungal infection of the skin. OBJECTIVE The purpose of this study is to determine the frequency of visits for pityriasis versicolor and to assess how it is currently being treated. METHODS Data from the National Ambulatory Medical Care survey were used from the years 1990-1999. RESULTS There were 2.9 million visits per year ...

Pityriasis rubra pilaris is a rare inflammatory disorder characterized by follicular papules on an erythematous base often exhibiting islands of unaffected skin, follicular plugging, and palmoplantar hyperkeratosis. While vitamin A deficiency and autoimmune reactions have been hypothesized as possible etiologies of this condition, pityriasis rubra pilaris-like eruptions secondary to medications...

Pityriasis versicolor (PV) is a disease with worldwide distribution. Twelve different species of Malassezia yeast have been described. The objective of this study was to determine which species of Malassezia are more prevalent in patients with pityriasis versicolor. Samples were collected by scraping the lesions of 87 patients with a clinical suspicion of pityriasis versicolor. The samples were...

218 Indian Dermatology Online Journal | Volume 8 | Issue 3 | May‐June 2017 Many viruses including HHV6 and HHV7 have been proposed as causative agents for pityriasis rosea, although there is no conclusive evidence. Here, we presented a case of pityriasis rosea coexisting with oral HSV1 infection. Our case is unique because purpuric pityriasis rosea has not been associated with HSV1 previously. ...

Pityriasis lichenoides is an uncommon, acquired, idiopathic, self-limiting skin disease that poses a challenge to patients and clinicians to diagnose and treat. Several variants exist including pityriasis lichenoides et varioliformis acuta (PLEVA), pityriasis lichenoides chronica (PLC), and febrile ulcer-onecrotic Mucha-Habermann disease. Precise classification can be difficult due to an overla...

Pityriasis rubra pilaris (PRP) is a rare, chronic erythematous squamous disorder of unknown etiology. It has been found in association with several autoimmune diseases, including thyroiditis, myositis, myasthenia gravis and vitiligo. Herein we report a case of systemic sclerosis in a patient with classic adult pityriasis rubra pilaris. A 38 year old woman with classic adult type 1 pityriasis ru...

Pityriasis amiantacea was first described in 1832. The disease may be secondary to any skin condition that primarily affects the scalp, including seborrheic dermatitis. Its pathogenesis remains uncertain. We aim to analyze the epidemiological and clinical profiles of patients with pityriasis amiantacea to better understand treatment responses. We identified seven cases of pityriasis amiantacea ...