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 and a female predominance in a sample of 63 pediatric patients with seborrheic dermatitis followed for an average of 20.4 months. We reported a mean age of 5.9 years. Five patients were female, with a mean age of 9 years. All patients were successfully treated with topic ketoconazole.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5087242 | PMC |
http://dx.doi.org/10.1590/abd1806-4841.20164951 | DOI Listing |
Actas Dermosifiliogr
October 2024
Universidade Federal do Espírito Santo (UFES), Vitória, ES, Brasil; Hospital Universitário Cassiano Antônio Moraes (HUCAM), Vitória, ES, Brasil.
Skin Appendage Disord
April 2024
Department of Dermatology and Venereology, All India Institute of Medical Sciences, New Delhi, India.
Introduction: Pityriasis amiantacea (PA) is a rare presentation characterized by the presence of extensive adherent scaling that tightly encircles and affixes tufts of hairs secondary to inflammatory or infectious dermatoses. However, the occurrence of PA as a consequence of leukaemia cutis has not been previously reported.
Case Report: A 32-year-old man with B-cell acute lymphoblastic leukaemia (B-ALL) presented with severe scalp scaling and hair loss for 2 months.
Actas Dermosifiliogr
October 2024
Universidade Federal do Espírito Santo (UFES), Vitória, ES, Brazil; Hospital Universitário Cassiano Antônio Moraes (HUCAM), Vitória, ES, Brazil.
Skinmed
December 2022
Department of Dermatology and Venereology, Centro Hospitalar Universitário São João, EPE Porto, Portugal.
J Eur Acad Dermatol Venereol
February 2023
Department of Dermatology, Lahey Hospital & Medical Center, Burlington, Massachusetts, USA.
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