Felipe Tavares Rodrigues, Rita Fernanda Cortez de Almeida, Luciana Rodino Lemes, Carla Jorge Machado, Bianca Maria Piraccini, Michela Starace, Luca Rapparini, Nino Lortkipanidze, Asmahanane Souissi, Sineida Berbert Ferreira, Luna Azulay-Abulafia, Taynara Barreto, Regina Lúcia Barbosa Santos, Antonella Tosti, Colombina Vincenzi, Daniel Asz Sigall, Sebastian Agusto Mercau, Andrei Doroshkevich, Tatiana Silyuk, Luis Enrique Sánchez-Dueñas, Gabriel Lazzeri Cortez, Isabella Doche, Claudia Montoya, Daniela Gutiérrez-Mendoza, Sergio Vaño-Galván, Hudson Dutra Rezende, Verena Florenço, Daniela Guzman-Sanchez, Alejandro Bonifaz, Daniel Fernandes Melo
{"title":"小儿阿花菊糠疹：76例患者的多中心回顾性研究。","authors":"Felipe Tavares Rodrigues, Rita Fernanda Cortez de Almeida, Luciana Rodino Lemes, Carla Jorge Machado, Bianca Maria Piraccini, Michela Starace, Luca Rapparini, Nino Lortkipanidze, Asmahanane Souissi, Sineida Berbert Ferreira, Luna Azulay-Abulafia, Taynara Barreto, Regina Lúcia Barbosa Santos, Antonella Tosti, Colombina Vincenzi, Daniel Asz Sigall, Sebastian Agusto Mercau, Andrei Doroshkevich, Tatiana Silyuk, Luis Enrique Sánchez-Dueñas, Gabriel Lazzeri Cortez, Isabella Doche, Claudia Montoya, Daniela Gutiérrez-Mendoza, Sergio Vaño-Galván, Hudson Dutra Rezende, Verena Florenço, Daniela Guzman-Sanchez, Alejandro Bonifaz, Daniel Fernandes Melo","doi":"10.1159/000547530","DOIUrl":null,"url":null,"abstract":"<p><strong>Introduction: </strong>Pityriasis amiantacea (PA), also known as pseudotinea amiantacea, is a scalp disorder characterized by adherent scales surrounding hair tufts, with an unclear etiopathogenesis potentially linked to inflammatory scalp diseases such as psoriasis, seborrheic dermatitis, and atopic dermatitis.</p><p><strong>Methods: </strong>This retrospective multicenter study analyzed the epidemiology, clinical presentation, trichoscopic features, and management of 76 pediatric patients diagnosed with PA across 22 centers.</p><p><strong>Results: </strong>Pruritus was the hallmark symptom, and scarring alopecia was rare in pediatric patients. Regarding trichoscopy, recognizing the vascular patterns is demonstrated to be valuable for severe or unresponsive cases. In our study, monotherapy using topical steroid treatment generally led to favorable outcomes, suggesting that PA may be less aggressive in children due to earlier diagnosis and less severe inflammation.</p><p><strong>Conclusion: </strong>This study highlights the importance of recognizing PA in pruritic scalp conditions in pediatric patients, suggesting effective management strategies that can improve quality of life despite the psychosocial impact of the disease.</p>","PeriodicalId":21844,"journal":{"name":"Skin Appendage Disorders","volume":" ","pages":""},"PeriodicalIF":1.3000,"publicationDate":"2025-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12503750/pdf/","citationCount":"0","resultStr":"{\"title\":\"Pediatric Pityriasis Amiantacea: A Multicenter Retrospective Study of 76 Patients.\",\"authors\":\"Felipe Tavares Rodrigues, Rita Fernanda Cortez de Almeida, Luciana Rodino Lemes, Carla Jorge Machado, Bianca Maria Piraccini, Michela Starace, Luca Rapparini, Nino Lortkipanidze, Asmahanane Souissi, Sineida Berbert Ferreira, Luna Azulay-Abulafia, Taynara Barreto, Regina Lúcia Barbosa Santos, Antonella Tosti, Colombina Vincenzi, Daniel Asz Sigall, Sebastian Agusto Mercau, Andrei Doroshkevich, Tatiana Silyuk, Luis Enrique Sánchez-Dueñas, Gabriel Lazzeri Cortez, Isabella Doche, Claudia Montoya, Daniela Gutiérrez-Mendoza, Sergio Vaño-Galván, Hudson Dutra Rezende, Verena Florenço, Daniela Guzman-Sanchez, Alejandro Bonifaz, Daniel Fernandes Melo\",\"doi\":\"10.1159/000547530\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Introduction: </strong>Pityriasis amiantacea (PA), also known as pseudotinea amiantacea, is a scalp disorder characterized by adherent scales surrounding hair tufts, with an unclear etiopathogenesis potentially linked to inflammatory scalp diseases such as psoriasis, seborrheic dermatitis, and atopic dermatitis.</p><p><strong>Methods: </strong>This retrospective multicenter study analyzed the epidemiology, clinical presentation, trichoscopic features, and management of 76 pediatric patients diagnosed with PA across 22 centers.</p><p><strong>Results: </strong>Pruritus was the hallmark symptom, and scarring alopecia was rare in pediatric patients. Regarding trichoscopy, recognizing the vascular patterns is demonstrated to be valuable for severe or unresponsive cases. In our study, monotherapy using topical steroid treatment generally led to favorable outcomes, suggesting that PA may be less aggressive in children due to earlier diagnosis and less severe inflammation.</p><p><strong>Conclusion: </strong>This study highlights the importance of recognizing PA in pruritic scalp conditions in pediatric patients, suggesting effective management strategies that can improve quality of life despite the psychosocial impact of the disease.</p>\",\"PeriodicalId\":21844,\"journal\":{\"name\":\"Skin Appendage Disorders\",\"volume\":\" \",\"pages\":\"\"},\"PeriodicalIF\":1.3000,\"publicationDate\":\"2025-07-18\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12503750/pdf/\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Skin Appendage Disorders\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1159/000547530\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"DERMATOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Skin Appendage Disorders","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1159/000547530","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"DERMATOLOGY","Score":null,"Total":0}
Pediatric Pityriasis Amiantacea: A Multicenter Retrospective Study of 76 Patients.
Introduction: Pityriasis amiantacea (PA), also known as pseudotinea amiantacea, is a scalp disorder characterized by adherent scales surrounding hair tufts, with an unclear etiopathogenesis potentially linked to inflammatory scalp diseases such as psoriasis, seborrheic dermatitis, and atopic dermatitis.
Methods: This retrospective multicenter study analyzed the epidemiology, clinical presentation, trichoscopic features, and management of 76 pediatric patients diagnosed with PA across 22 centers.
Results: Pruritus was the hallmark symptom, and scarring alopecia was rare in pediatric patients. Regarding trichoscopy, recognizing the vascular patterns is demonstrated to be valuable for severe or unresponsive cases. In our study, monotherapy using topical steroid treatment generally led to favorable outcomes, suggesting that PA may be less aggressive in children due to earlier diagnosis and less severe inflammation.
Conclusion: This study highlights the importance of recognizing PA in pruritic scalp conditions in pediatric patients, suggesting effective management strategies that can improve quality of life despite the psychosocial impact of the disease.
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