{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T20:59:53Z","timestamp":1791233993918,"version":"4.1.0"},"reference-count":41,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2025,4,8]],"date-time":"2025-04-08T00:00:00Z","timestamp":1744070400000},"content-version":"vor","delay-in-days":7,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Mycoses"],"published-print":{"date-parts":[[2025,4]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>In mid\u20102024, German media reported increasing fungal infections by <jats:italic>Trichophyton tonsurans<\/jats:italic> linked to visits to barbershops. However, epidemiological data confirming a rise in <jats:italic>tinea capitis<\/jats:italic> and <jats:italic>tinea corporis<\/jats:italic> due to <jats:italic>Trichophyton tonsurans<\/jats:italic> are lacking.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objectives<\/jats:title><jats:p>This study assesses dermatophyte species and clinical types of infections in German university hospitals in 2018 and 2023.<\/jats:p><\/jats:sec><jats:sec><jats:title>Patients\/Methods<\/jats:title><jats:p>This retrospective, multicentre study analyses mycological culture results from three Departments of Dermatology in Freiburg, T\u00fcbingen and Munich. The dermatophyte, along with the sampled body site, age and gender of the affected patient, was recorded.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>1915 patients (male: 66.1%; mean age: 50\u2009\u00b1\u200924\u2009years) with a dermatophyte\u2010positive culture were identified. The most common dermatophyte was <jats:italic>Trichophyton rubrum<\/jats:italic> (2018: 78.7%; 2023: 66.3%) with <jats:italic>tinea pedis<\/jats:italic> and <jats:italic>tinea unguium<\/jats:italic> being the most prevalent types of infection. An increase in <jats:italic>tinea corporis<\/jats:italic> and <jats:italic>tinea capitis was observed<\/jats:italic>, with <jats:italic>tinea capitis<\/jats:italic> doubling from 4.3% to 9.3%. In 2023, <jats:italic>Trichophyton tonsurans<\/jats:italic> emerged as the prevailing dermatophyte (67.6%) in <jats:italic>tinea capitis<\/jats:italic> and as the second most frequent agent in <jats:italic>tinea corporis<\/jats:italic> (26.3%). This dominance of <jats:italic>Trichophyton tonsurans<\/jats:italic> was consistently observed across all three study centres. <jats:italic>Trichophyton tonsurans<\/jats:italic> affected patients presented a median age of 18\u2009years in 2023 (vs. 9\u2009years in 2018) and an amplified imbalance towards the male gender.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The pathogen spectrum and infection patterns have changed in Germany due to the increase of <jats:italic>Trichophyton tonsurans<\/jats:italic> infections. Intensified screening and hygiene measures, as well as adaptation of initial empiric treatment of <jats:italic>tinea capitis,<\/jats:italic> should be considered.<\/jats:p><\/jats:sec>","DOI":"10.1111\/myc.70053","type":"journal-article","created":{"date-parts":[[2025,4,8]],"date-time":"2025-04-08T09:34:58Z","timestamp":1744104898000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Emergence of <i>Trichophyton tonsurans<\/i>\u2014A Retrospective Multicentre Study of the Dermatophyte Spectrum in Germany"],"prefix":"10.1111","volume":"68","author":[{"given":"Julia Felicitas","family":"Pilz","sequence":"first","affiliation":[{"name":"Department of Dermatology and Allergy Technical University of Munich, School of Medicine and Health  Munich Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Martin","family":"Schaller","sequence":"additional","affiliation":[{"name":"Department of Dermatology Eberhard Karls University of T\u00fcbingen  T\u00fcbingen Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Martin","family":"K\u00f6berle","sequence":"additional","affiliation":[{"name":"Department of Dermatology and Allergy Technical University of Munich, School of Medicine and Health  Munich Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexandra","family":"Lorz","sequence":"additional","affiliation":[{"name":"Department of Dermatology and Venereology Medical Center, University of Freiburg  Freiburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Avend","family":"Bamarni","sequence":"additional","affiliation":[{"name":"Department of Dermatology and Venereology Medical Center, University of Freiburg  Freiburg Germany"},{"name":"Christine K\u00fchne\u2010Center for Allergy Research and Education, Medicine Campus Davos  Davos Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7324-9139","authenticated-orcid":false,"given":"Sebastian","family":"Sitaru","sequence":"additional","affiliation":[{"name":"Department of Dermatology and Allergy Technical University of Munich, School of Medicine and Health  Munich Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Franziska","family":"Schauer","sequence":"additional","affiliation":[{"name":"Department of Dermatology and Venereology Medical Center, University of Freiburg  Freiburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hans Peter","family":"Seidl","sequence":"additional","affiliation":[{"name":"Department of Dermatology and Allergy Technical University of Munich, School of Medicine and Health  Munich Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tilo","family":"Biedermann","sequence":"additional","affiliation":[{"name":"Department of Dermatology and Allergy Technical University of Munich, School of Medicine and Health  Munich Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexander","family":"Zink","sequence":"additional","affiliation":[{"name":"Department of Dermatology and Allergy Technical University of Munich, School of Medicine and Health  Munich Germany"},{"name":"Division of Dermatology and Venereology, Department of Medicine Solna Karolinska Institute  Stockholm Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kilian","family":"Eyerich","sequence":"additional","affiliation":[{"name":"Department of Dermatology and Venereology Medical Center, University of Freiburg  Freiburg Germany"},{"name":"Division of Dermatology and Venereology, Department of Medicine Solna Karolinska Institute  Stockholm Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3028-4556","authenticated-orcid":false,"given":"Anna Caroline","family":"Pilz","sequence":"additional","affiliation":[{"name":"Department of Dermatology and Venereology Medical Center, University of Freiburg  Freiburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2025,4,8]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1439\u20100507.2008.01606.x"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/ddg.12420"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.3390\/jof9060669"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/jdv.16951"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1439\u20100507.2007.01424.x"},{"key":"e_1_2_10_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/ddg.12885"},{"key":"e_1_2_10_8_1","doi-asserted-by":"publisher","DOI":"10.1111\/ddg.14432"},{"key":"e_1_2_10_9_1","unstructured":"S.H\u00fcmmer \u201cVerbreitung durch mangelnde Hygiene?: Gef\u00e4hrlicher Hautpilz! 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