Edited by

Antonella Tosti, MD, is a professor of clinical dermatology at the University of Miami Health System. She is a worldwide recognized expert in hair and nail disorders and has been invited to lecture at major international conferences. She is the author of Dermoscopy of Hair and Scalp Disorders, the first hair and scalp dermoscopy atlas ever published. She is also editor of five textbooks on diagnosis and treatment of hair disorders and three textbooks on nail disorders. Dr. Tosti is the main author of the chapter on nail disorders in several major textbooks and an expert in patch testing for diagnosis of contact allergy. Dr. Tosti is member of numerous dermatological societies and is the author or co-author of more than 600 scientific publications.

Trichoscopy Patterns Follicular Patterns
Interfollicular Patterns
Hair Shaft
Hair Roots Through the Scalp

Normal Scalp Normal Black Scalp

Instruments For Scalp Dermoscopy How to Examine the Scalp

Nonscarring Alopecias Male Pattern Hair Loss/Androgenetic Alopecia
Female Pattern Hair Loss
Alopecia Areata
Alopecia Areata Incognito
Acute Telogen Effluvium
Chronic Telogen Effluvium
Trichotillomania
Dissecting Cellulitis
Chemotherapy Alopecia
Radiotherapy Alopecia

Primary Scarring Alopecias Lichen Planopilaris
Frontal Fibrosing Alopecia
Discoid Lupus Erythematosus
Folliculitis Decalvans
Acne Keloidalis Nuchae
Central Centrifugal Cicatricial Alopecia
Traction Alopecia
Secondary Scarring Alopecias

Hair Shaft Disorders Monilethrix
Pili Torti
Pili Trianguli and Canaliculi (Uncombable Hair)
Pili Annulati
Trichorrhexis Invaginata (Bamboo Hair)
Trichorrhexis Nodosa

Pediatric Hair DisordersAplasia Cutis Congenita
Sebaceous Nevus
Congenital Triangular Alopecia
Loose Anagen Hair Syndrome
Short Anagen Hair Syndrome
Traumatic Alopecia

Dermoscopy of the Black Scalp Antonella Tosti
Nonscarring Versus Scarring Alopecias
Androgenetic Alopecia
Alopecia Areata
Alopecia Due to Hair Breakage
Tinea Capitis
Traction Alopecia
Dissecting Cellulitis
Central Centrifugal Cicatricial Alopecia
Lichen Planopilaris
Frontal Fibrosing Alopecia
Discoid Lupus Erythematosus
Folliculitis Decalvans
Pearls for the Clinicians

Hair Weathering Trichorrhexis Nodosa
Trichoptilosis
Bubble Hair
Trichonodosis
Extensions
Camouflage Products
Hair Cosmetics

Systemic Diseases Systemic Lupus Erythematosus
Dermatomyositis
Sarcoidosis
Cutaneous T Cell Lymphomas
Systemic Amyloidosis

Inflammatory Scalp Disorders Scalp Psoriasis
Seborrheic Dermatitis
Contact Dermatitis

Infections Tinea Capitis
Piedra

Parasitoses of The Scalp Pediculosis
Scabies

Body Hair Disorders Keratosis Pilaris
Trichostasis Spinulosa
Circle Hairs
Rolled Hairs
Pseudofolliculitis

Hair Root Evaluation Pull Test
Trichogram

Dermoscopy-Guided Biopsies Antonella Tosti
How to Select the Optimal Site in Scarring Alopecias
How to Select the Optimal Site in Nonscarring Alopecias

Ex Vivo Dermoscopy Ex Vivo Dermoscopy of Scalp Biopsies
Ex Vivo Dermoscopy of Slides
Dermoscopy in Canine and Feline Alopecia
Fabia Scarampella and Giordana Zanna
Dermoscopic Features in Normal Dogs and Cats
Dermoscopic Features in Selected Follicular Diseases
Folliculitis Induced by Intraluminal Organisms
Canine Demodicosis
Canine And Feline Dermatophytosis
Canine Superficial Bacterial Folliculitis
Dermoscopic Features In Noninflammatory Alopecias
Canine Pattern Alopecia
Feline Self-Induced Alopecia

Dermoscopy of the Nail Plate

Dermoscopy of the Proximal Nail Fold

Dermoscopy of the Hyponychium

Dermoscopy of the Distal Edge of the Nail Plate

Inflammatory Nail Disorders Nail Psoriasis
Nail Lichen Planus
Alopecia Areata

Traumatic Nail Disorders Hematoma
Onycholysis
Traumatic Leukonychia
Onychotillomania

Brittle Nails

Onychomycosis

Nail Tumors Onychomatricoma
Onychopapilloma
Glomus Tumor
Myxoid Cyst
Fibroma/Fibrokeratoma
Warts
Pyogenic Granuloma
Bowen's Disease/Squamous Cell Carcinoma

Melanonychia Melanocyte Activation
Nevi
Melanoma
Intraoperative Dermoscopy

Connective Tissue Disorders Scleroderma
Dermatomyositis
Systemic Lupus Erythematosus