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Hair Disorders PowerPoint Presentation

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Description : Check out this medical presentation on Baldness (Alopecia), which is titled "Hair Disorders", to know about the anatomy of hair follicle and hair cycle, causes, features and management of non scarring alopecia, Particularly, Alopecia areata, Androgenetic alopecia, Telogen effluvium, and Anagen effluvium, and, causes and features of scarring alopecia.

Tags : Baldness, Alopecia, Hair Disorders, hair follicle, hair cycle

Published on : Jul 07, 2021 | Views : 3451 | Downloads : 20

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Hair Disorders GHADA BINSAIF, MD Associate professor & Consultant Dermatologist Hair and Aesthetic specialist
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Objective Normal anatomy of hair follicle and hair cycle Causes, features and management of non scarring alopecia, Particularly: Alopecia areata Androgenetic alopecia Telogen effluvium Anagen effluvium Causes and features of scarring alopecia
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Hair Types Vellous Terminal Androgen dependant terminal
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Hair Cycle Hair growth is very dynamic
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How many hairs in the body? 5 millions hairs in the body 100,000 in the scalp Growth rate? 0.3mm/day for scalp hair
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Alopecia Scaring (Irreversible) None Scaring (Reversible)
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Alopecia Areata
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Sudden hair loss ( localized or generalized) Alopecia Areata affects up to 2% 75% : Self recovery, 2-6 m Causes : 30%: +ve Family history autoimmune
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Clinical findings Well demarcated Exclamation point Normal scalp Nail: pitting, ridges
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Types of alopecia areata - Localized partial - Localized extensive - Alopecia ophiasis - Alopecia totalis - Alopecia universalis
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Diagnosis Clinically H/E: sworm bees
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Treatment 1. Observation 2. Intralesional Corticosteroids 3. Skin Sensitizers Anthraline Diphencyclopropenone (DPCP) others
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Others Topical steroids Systemic Steroids Cytotoxic Rx Phototherapy Minoxidil Hair Transplant – ( NO)
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Androgenetic Alopecia (Male and Female Pattern Hair Loss)
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Androgen dependent loss of scalp hair Androgenetic Alopecia affects up to 50% of males and 40% of females Autosomal dominant with variable penetrance 85% : +ve family history
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5 ALPHA Reductase Testosterone DihydorTestosterone (Active) Miniaturization of Terminal Hairs
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Male Pattern Hair Loss
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Female Pattern Hair Loss
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Treatment Topical: Neoxidil 2%- 5% solution Systemic: Fenastride Spironolactone
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Telogen effluvium Chronic alopecia Reversible (but may be become chronic) 3-4 months
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Causes
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Treatment Remove or treat the cause Minoxidil 2% Solution
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Anagen effluvium Always related to cytotoxic chemotherapy Acute and severe alopecia Mostly reversible but not always
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Scarring Alopecia SLE—DLE LP Sarcoidosis Leprosy Kerion - Favus Trauma
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