Daniel Asz Sigall

Pediatric Pityriasis Amiantacea: A Multicenter Retrospective Study of 76 Patients

Felipe Tavares Rodrigues, Rita Fernanda Cortez de Almeida, Luciana Rodino Lemes, Carla Jorge Machado et autres

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 …

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Onychotillomania Dentata: A Newly Defined Oral-Induced Pattern of Repetitive Nail Trauma

Eduardo Corona‐Rodarte, Juan ­Jimenez‐Cauhe, Michela Starace, Matilde Iorizzo et autres

Introduction: Onychotillomania is a body-focused repetitive behavior disorder characterized by compulsive trauma to the nail unit. While manual manipulation is well recognized, oral-induced mechanisms remain undocumented. We describe a novel subset involving frictional trauma from the teeth, which we term onychotillomania dentata. …

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Great expectations: navigating hope and reality in the trichology consultation

Eduardo Corona‐Rodarte, Daniel Asz Sigall, Antonellá Tosti

Hair consultations often involve high emotional stakes and unrealistic expectations. This Perspectives article explores how dermatologists can better recognize, align and manage patient expectations in trichology – particularly in cases of scarring and nonscarring alopecia – through empathetic communication, visual tools and …

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Male Pattern Androgenetic Alopecia Linked to an Adrenal Tumor: A Case Report

María Teresa Alonso de León, Cristina Berumen Glinz, María Elisa Vega‐Memije, Daniel Asz Sigall

Introduction: Androgenetic alopecia (AGA) is a type of hair loss that often manifests as male or female pattern baldness. In women, AGA resembling male pattern baldness can occur in conditions of hyperandrogenism, such as congenital adrenal hyperplasia or ovarian and adrenal tumors, …

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Alopecia Mimicking Lichen Planopilaris in a Patient with Mycosis Fungoides

Daniel Asz Sigall, Rosa María Lacy‐Niebla, Carlos A. Barrera‐Ochoa, Sonia Toussaint-Caire et autres

Introduction: Mycosis fungoides (MF), the most common form of primary cutaneous T-cell lymphoma, can present with diverse clinical manifestations, including alopecia that mimics conditions such as alopecia areata (AA) and lichen planopilaris (LPP). The folliculotropic variant (FMF) poses diagnostic challenges due to …

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Red Scalp Disease: An Underdiagnosed Entity

Daniel Asz Sigall, Alejandra Segarra-Ponce, Sofía Olvera-Lerma, Luis Enrique Cano‐Aguilar et autres

Introduction: Red scalp disease or scalp rosacea, an inflammatory dermatosis, is frequently misdiagnosed as scarring alopecia due to nonspecific trichoscopic findings and limited case reports. While facial rosacea is well-documented, rosacea affecting extrafacial sites, such as the scalp, remains underrecognized. Accurate diagnosis …

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The Greening of Hair: A Unique Case of Chlorotrichosis and Its Management

Edgar Lomelí-Legaspi, Eduardo Corona‐Rodarte, Luis Enrique Cano‐Aguilar, César Daniel Villareal-Villareal et autres

Introduction: Chlorotrichosis, commonly known as "green hair," is an unusual trichological condition characterized by the accumulation of exogenous copper in individuals with light-colored hair and prior hair damage. It is primarily associated with inadequately maintained swimming pools. Case Presentation: We report a …

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Diffuse pattern of alopecia areata in children: A multicentre retrospective study with 67 patients

Brenda Costa Buzatto, Luciana Rodino Lemes, Rita Fernanda Cortez de Almeida, Carla Jorge Machado et autres

All data generated or analysed during this study are included in this article. Further enquiries can be directed to the corresponding author.

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Gabriella Fabbrocini MD (1964–2023)

Dimitrios Rigopoulos, Antonellá Tosti, Antonella Tosti, Dimitris Rigopoulos et autres

Hair analysis in the diagnosis of argyria

Betty Nguyen, Curtis Thompson, Daniel Asz Sigall, Antonellá Tosti

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The Alopecia Areata Consensus of Experts (ACE) study: Results of an international expert opinion on treatments for alopecia areata

Nekma Meah, Dmitri Wall, Katherine York, Bevin Bhoyrul et autres

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Evidence‐based treatment for gynoid lipodystrophy: A review of the recent literature

Francisco M. Pérez Atamoros, Daniel Alcalá Pérez, Daniel Asz Sigall, Alfonsina Ávila Romay et autres

Gynoid lipodystrophy (GLD) is a structural, inflammatory, and biochemical disorder of the subcutaneous tissue causing alterations in the topography of the skin. Commonly known as "cellulite," GLD affects up to 90% of women, practically in all stages of the life cycle, beginning …

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