LARRONDO GALVEZ, JORGE FELIPE
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LARRONDO GALVEZ, JORGE FELIPE
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j.larrondo@udd.cl

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

2019 , Sergio Vañó-Galván , David Saceda-Corralo , Ulrike Blume-Peytavi , Jose Cucchía , Ncoza C. Dlova , Maria Fernanda Reis Gavazzoni Dias , Ramon Grimalt , Daniela Guzmán-Sánchez , Matthew Harries , Anthony Ho , Susan Holmes , LARRONDO, JORGE , Anisa  Mosam , Rui Oliveira-Soares , Giselle M. Pinto , Bianca M. Piraccini , Rodrigo Pirmez , Daniel De la Rosa Carrillo , Lidia Rudnicka , Jerry Shapiro , Rodney Sinclair , Antonella Tosti , Ralph M. Trüeb , Annika Vogt , Mariya Miteva

<b><i>Background:</i></b> The frequency of different types of alopecia is not clearly reported in recent studies. <b><i>Objective:</i></b> To analyze the frequency of the types of alopecia in patients consulting at specialist hair clinics (SHC) and to assess for global variations. <b><i>Methods:</i></b> Multicenter retrospective study including data from patients evaluated at referral SHC in Europe, America, Africa and Australia. <b><i>Results:</i></b> 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. <b><i>Conclusion:</i></b> 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.

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Topical Minoxidil Adherence in Patients With Alopecia

2023 , Aditi Senthilnathan , LARRONDO GALVEZ, JORGE FELIPE , Brianna De Souza , Taylor Harris , Ariana Eginli , Amy McMichael

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Persistent Erythematous Papules on Inflammatory Scalp: Challenge

2023 , Jorge Larrondo , Marianne Gosch , Javiera Donoso , Alex Castro

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Alopecia Areata in Skin of Color Patients: New Considerations Sparked by the Approval of Baricitinib

2023 , Ivie Obeime , LARRONDO, JORGE

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Lupus Miliaris Disseminatus Faciei

2022 , Marianne Gosch , LARRONDO, JORGE

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Clinical factors and hair care practices influencing outcomes in central centrifugal cicatricial alopecia

2023 , Toluwalashe Onamusi , LARRONDO GALVEZ, JORGE FELIPE , Amy J. McMichael

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Persistent Erythematous Papules on the Inflammatory Scalp: Answer

2023 , LARRONDO GALVEZ, JORGE FELIPE , Marianne Gosch , Javiera Donoso , Alex Castro

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Flambeau sign: A trichoscopic finding of traction alopecia in Black patients

2024 , Ashley Vander Does , LARRONDO GALVEZ, JORGE FELIPE , Amy McMichael

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Use of low‐level light therapy in management of central centrifugal cicatricial alopecia: A case series of four patients

2023 , Madison K. Cook , Brittany N. Feaster , Jacob J. Subash , LARRONDO GALVEZ, JORGE FELIPE , Amy J. McMichael

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Traction Alopecia

2023 , LARRONDO GALVEZ, JORGE FELIPE , Amy J. McMichael

This Patient Page describes the symptoms, diagnosis, and treatment of traction alopecia.

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