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ALOPECIA

Alopecia. Alajlan/Alopecia. Scaring(Irreversible). None Scaring(Reversible). . . Introduction

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ALOPECIA

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    1. ALOPECIA

    6. Alopecia = HAIR LOSS Basic hair anatomy and Physiology Hair growth is very dynamic Vellus and Terminal hair

    10. Androgenetic Alopecia affects up to 50% of males and 40% of females Autosomal dominant with variable penetrance 85% : +ve family history Role of androgens in the pathogenesis:

    13. Alopecia Areata

    14. Alopecia Areata affects up to 2% 30%: +ve Family history 75% : Self recovery Role of immune system in the pathogenesis Types of alopecia areata: - localized partial - localized extensive - alopecia totalis - alopecia universalis

    19. Anagen effluvium Telogen effluvium

    20. Anagen effluvium Always related cytotoxic chemotherapy Acute and severe alopecia Mostly reversible but not always

    21. Telogen effluvium Chronic alopecia Anemia with chronic disease

    22. Vitiligo

    23. Introduction to skin pigments

    24. Introduction to skin pigments Definition Types: localized and generalized Pathogenesis Other associated diseases Natural course Treatment

    25. No single effective Rx Topicals: .Corticosteroids .Immunomodulators Light Therapy: 1. UVA or UVB 2. UVA + Psoralen = PUVA (Topical and Systemic) 3. UVB = Laser Systemic Treatment: NOT USED Surgical Rx: .Melanocyte Transplant .Skin Grafts Transplant Bleaching Agents: Depigment all skin

    26. Tips of fingers and toes Lips Bony prominence Recurrence Rarely 100% repigmentation for large area Adverse effect of Rx

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