Alopecia
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Alopecia

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    Alopecia Alopecia Presentation Transcript

    • Alopecia Nastaran tavakoli Guilan University of Medical sciences
    • Anatomy of Hair
    •  
      • Launugo
      • Vellus hair
      • Terminal hair
      • The life cycle of a hair is divided into three phases.
      • The actively growing (Anagen)phase
      • the transitional(Catagen) phase
      • the resting (Telogen) phase.
    • Hair Growth Cycle
    • Hair pull test
    • Trichogram
    • Anagen Catagen Telogen
      • A physiologic reaction
      • Genetic
      • DHEA-S
      • Norwood-Hamilton Classification
      • Family history: Commonly positive
      Androgenic Alopecia in men (male pattern baldness)
    • Norwood-Hamilton Classification
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    • Treatment
      • Minoxidil(Rogaine)
      • Finasteride(Propecia)
      • Autotransplantation of hair
      • flap surgery
      • Scalp extension and expansion
    • Androgenic Alopecia in Women (Female pattern hair loss)
      • Women with androgenetic alopecia do not have higher levels of circulating androgens.
      • Normal menses
      • Normal fertility
      • Diffuse central thinning
      • There is not usually any recession of the frontal hairline.
      • Associated findings: Signs or symptoms of hyperandrogenism should be looked for, ie, hirsutism,moderate to severe or treatment-refractory acne,irregular menses, infertility, and/or galactorrhea.Acanthosis nigricans is a marker for insulin resistance which is commonly associated with hyperandrogenism
      • If a woman has irregular menses, abrupt hair loss, hirsutism, or acne recurrence, an endocrine evaluation is appropriate.
      • In this situation, total testosterone, free testosterone, dehydroepiandrosterone sulfate,and prolactin levels should be obtained.
      • Check TSH and serum ferritin
      • Hypothyroidism
      • iron deficiency (serum ferritin or serum iron and TIBC)
      • telogen effluvium
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      • Minoxidil
      • Finasteride?
      • Spironolactone (Aldactone)
      • Cyproterone Acetate with Ethinyloestradiol (Diane )
      TREATMENT:
    • Traction alopecia
      • This condition is caused by localized trauma to the hair follicles from tight hairstyles that pull at hair over time.
      • If the condition is detected early enough, the hair will regrow.
      • Braiding, cornrows, tight ponytails, and extensions are the most common styling causes.
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