Top pityriasis Articles in Dermatology

An update on pityriasis rosea and other similar childhood exanthems
Current Opinion in Pediatrics, 08/26/2009

Browning JC – Pityriasis rosea can present in a variety of manners. Most often a herald patch precedes the generalized eruption, although this is not always the case. Pityriasis rosea may lead to undesirable outcomes when ... secondary syphilis, cutaneous lupus erythematosus, capillaritis, pityriasis versicolor, nummular eczema, and cutaneous T–cell lymphoma are important to consider in the differential diagnosis of pityriasis rosea. Pityriasis rosea is self–limiting, usually lasting 1–3 months ... paucity of medical studies supporting any definitive treatment. However, treatment may be warranted for other conditions that mimic pityriasis rosea. [more...]

Detection of Human Herpesvirus 8 in the Skin of Patients with Pityriasis Rosea
Acta Dermato-Venereologica, 10/29/2009

Prantsidis A et al. – This study was to investigate a possible association between pityriasis rosea and human herpesvirus 8. Lesional skin tissue was obtained from 34 Kaposi's sarcoma–negative, immunocompetent patients with typical acute phase pityriasis rosea ... chain reaction with specific primer for HHV–8 DNA sequences was performed and all positive results were confirmed by sequencing. Seven out of 34 lesional skin specimens were found to be positive for the HHV–8 genome. [more...]

Rapid reversal of hyperpigmentation in pityriasis versicolor upon short-term topical cycloserine application
Mycoses, 09/25/2009

Mayser P et al. – Topically applied TAM inhibitors may therefore represent a new therapeutic principle for prophylaxis and therapy of PV, thus underlining the importance of the TAM ... disease. [more...]

Characterization of the inflammatory cell infiltrate in herald patches and fully developed eruptions of pityriasis rosea
Clinical and Experimental Dermatology, 09/18/2009

Neoh CY et al. – The authors' results support a predominantly T–cell mediated immunity in the development of PR. [more...]

Glycine as a regulator of tryptophan-dependent pigment synthesis in Malassezia furfur
Mycoses, 08/27/2009

growth induction. These in vitro on–off phenomena depending on the nitrogen source might be significant in the pathogenesis of pityriasis versicolor: hyperhidrosis followed by preferential consumption of individual nitrogen sources such as glycine with exponential growth and thereafter [more...]

Generalized Leukaemia Cutis from a Small Cell Variant of T-cell Prolymphocytic Leukaemia Presenting with Exfoliative Dermatitis
Acta Dermato-Venereologica, 09/03/2009

body with no clear underlying cause. He had been treated with oral retinoids, steroids, and phototherapy for the diagnoses of drug eruption, pityriasis rubra pilaris, and exfoliative dermatitis at other hospitals. The authors suspected a hidden malignancy and diagnosed small cell variant T–PLL [more...]