Frequency of the Types of Alopecia at Twenty-Two Specialist Hair Clinics: A Multicenter Study

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dc.contributor.authorVañó, Sergio
dc.contributor.authorSaceda, David
dc.contributor.authorBlume, Ulrike
dc.contributor.authorCucchía, José
dc.contributor.authorDlova, Ncoza
dc.contributor.authorReis, María
dc.contributor.authorGrimalt, Ramón
dc.contributor.authorGuzmán, Daniela
dc.contributor.authorHarries, Matthew
dc.contributor.authorHoi, Anthony
dc.contributor.authorHolmes, Susan
dc.contributor.authorLarrondo, Jorge
dc.contributor.authorMosam, Anisa
dc.contributor.authorOliveira, Rui
dc.contributor.authorPinto, Giselle
dc.contributor.authorPiraccin, Bianca
dc.contributor.authorPirmez, Rodrigo
dc.contributor.authorDe la Rosa, Daniel
dc.contributor.authorRudnicka, Lidia
dc.contributor.authorShapiro, Jerry
dc.contributor.authorSinclair, Rodney
dc.contributor.authorTosti, Antonella
dc.contributor.authorTrüeb, Ralph
dc.contributor.authorVogt, Annika
dc.contributor.authorMiteva, Mariya
dc.date.accessioned2022-07-13T19:08:04Z
dc.date.available2022-07-13T19:08:04Z
dc.date.issued2019
dc.description.abstractBackground: The frequency of different types of alopecia is not clearly reported in recent studies. Objective: To analyze the frequency of the types of alopecia in patients consulting at specialist hair clinics (SHC) and to assess for global variations. Methods: Multicenter retrospective study including data from patients evaluated at referral SHC in Europe, America, Africa and Australia. Results: A total of 2,835 patients (72.7% females and 27.3% males) with 3,133 diagnoses of alopecia were included (73% were non-cicatricial and 27% were cicatricial alopecias). In all, 57 different types of alopecia were characterized. The most frequent type was androgenetic alopecia (AGA) (37.7%), followed by alopecia areata (AA) (18.2%), telogen effluvium (TE) (11.3%), frontal fibrosing alopecia (FFA) (10.8%), lichen planopilaris (LPP) (7.6%), folliculitis decalvans (FD) (2.8%), discoid lupus (1.9%) and fibrosing alopecia in a pattern distribution (FAPD) (1.8%). There was a male predominance in patients with acne keloidalis nuchae, dissecting cellulitis and FD, and female predominance in traction alopecia, central centrifugal cicatricial alopecia, FFA, TE, FAPD and LPP. Conclusion: AGA followed by AA and TE were the most frequent cause of non-cicatricial alopecia, while FFA was the most frequent cause of cicatricial alopecia in all studied geographical areas.es
dc.description.versionVersión publicadaes
dc.identifier.citationVañó-Galván S, Saceda-Corralo D, Blume-Peytavi U, Cucchía J, Dlova NC, Gavazzoni Dias MFR, Grimalt R, Guzmán-Sánchez D, Harries M, Ho A, Holmes S, Larrondo J, Mosam A, Oliveira-Soares R, Pinto GM, Piraccini BM, Pirmez R, De la Rosa Carrillo D, Rudnicka L, Shapiro J, Sinclair R, Tosti A, Trüeb RM, Vogt A, Miteva M. Frequency of the Types of Alopecia at Twenty-Two Specialist Hair Clinics: A Multicenter Study. Skin Appendage Disord. 2019 Aug;5(5):309-315. doi:10.1159/000496708es
dc.identifier.urihttps://doi.org/10.1159/000496708es
dc.identifier.urihttp://hdl.handle.net/11447/6365
dc.language.isoenes
dc.subjectAlopeciaes
dc.subjectAlopecia areataes
dc.subjectAndrogenetic alopeciaes
dc.subjectEpidemiologyes
dc.subjectFolliculitis decalvanses
dc.subjectFrontal fibrosing alopeciaes
dc.subjectHair diseaseses
dc.subjectLichen planopilarises
dc.subjectTelogen effluviumes
dc.titleFrequency of the Types of Alopecia at Twenty-Two Specialist Hair Clinics: A Multicenter Studyes
dc.typeArticlees
dcterms.sourceSkin appendage disorderses

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