نتایج جستجو برای: photodermatosis
تعداد نتایج: 47 فیلتر نتایج به سال:
INTRODUCTION Polymorphic light eruption (PLE) is a common idiopathic photodermatosis that typically presents with pruritic papular or papulovesicular lesions on sun-exposed skin between spring and autumn. In many subjects PLE is mild, and can usually be prevented by the use of broad-spectrum topical sunscreens and a gradual increase in sunlight exposure. However, in some individuals, sunlight e...
Background: Oculocutaneous albinism is a disease with an autosomal recessive inheritance pattern in most cases. People with Oculocutaneous albinism face many health, psychological and financial issues. In this study, we report a unique village of Bhatti tribe in Jacobabad District, Pakistan, in which 40 children and adults with albinism live. The aim of this study was to observe the patte...
BACKGROUND Erythropoietic protoporphyria is a severe photodermatosis that is associated with acute phototoxicity. Patients with this condition have excruciating pain and a markedly reduced quality of life. We evaluated the safety and efficacy of an α-melanocyte-stimulating hormone analogue, afamelanotide, to decrease pain and improve quality of life. METHODS We conducted two multicenter, rand...
Polymorphous light eruption (PMLE) is an idiopathic photodermatosis elicited by UV radiation (UVR). The objective of this double-blind, randomized, controlled, intraindividual, bilateral comparison was to determine the efficacy of the UVA filters (ecamsule, avobenzone) present in the new sun protection factor (SPF) 40 sunscreen cream in preventing PMLE in maximized outdoor conditions (ie, exagg...
CMAJ © 2010 Canadian Medical Association or its licensors 1 A10-year-old boy presented with a three-year history of recurrent lesions on photoexposed areas that worsened each summer. The boy had no family history of photosensitivity. Some vesicles and tiny depressed scars resembling chickenpox scars were present on his arms, face and ears. He had freckles on his face and a deep ulcer covered wi...
Actinic erythema Polymorphous light eruption Tristimulus colorimeter Charles R. Taylor, MD, Instructor in Dermatology, Medical Director of Phototherapy, Massachusetts General Hospital, Bartlett Hall, Room 414, 32 Fruit Street, Boston, MA 02114 (USA) Garigue et al. [1J recently administered routine minimal erythema doses to 72 patients. They then used a tristimulus colorimeter to measure the ery...
BACKGROUND Despite the enormous increase in sunscreen use, allergic contact (AC) and photoallergic (PA) reactions to ultraviolet (UV) filters are considered rare. OBJECTIVES To analyse the data from 2715 patients who underwent photopatch testing at St John's Institute of Dermatology during the period 1983-98. METHODS A retrospective analysis of all positive photopatch test episodes was unde...
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