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Trichoscopy

Trichoscopy.

dcallaghan
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Trichoscopy

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  1. Trichoscopy

  2. Trichogram is performed to determine the number of hair roots, the state of hair sheath & which percentage of hair are in each of the three phases of the hair growth cycle, hair samples are generally taken from different places of the scalp. For best results more than 5O hairs should be removed with their roots ( painful) & examined & counted under the microscope

  3. Digital trichogram

  4. Normal trichogram

  5. TrichogramExcessive thickening of the sheath is typically seen in cicatricial alopecia. Anagen totally devoid of sheath is indicative of loose anagen hair syndrome. Comparison of anagen (a) & telogen (b) bulb Normal telogen bulb Dystrophic roots

  6. Hair disorders with specific appearance

  7. Hair shaft anomalies in various genodermatoses

  8. Trichogram

  9. Loose anagen hair syndrome

  10. Loose anagen hair syndromeH.& E. Clefting of hair shaft inner & outerroot sheath

  11. Loose anagen hair syndrome“rumpled sock “ appearance near the bulb

  12. Loose anagen hair syndrome associated with macular dystrophyAn Brasil Dermatol 79: no. ,2OO4

  13. Short anagen syndromeIncreased number of telogen hairs with consistent decreased number of anagen hairs

  14. Trichostasis spinulosaMultiple follicular black hair bristles over the interscapular area of the backTrichogram showing typical telogen hairs with keratinous sheath

  15. Trichogram of alopecia areata Tapering end in dermoscope (B) while C in trichogram

  16. Trichogram in alopecia areataThere are five telogen hair on the left side & three anagen hair on the right side. The telogen hair are thinner & have bulbar ends, while the anagen hairs are thicker & has abrupt & broken ends

  17. Short anagen hair syndromeInternational J. of Trichology 5:45, 2O13

  18. Trichstasis spinulosa Pediculosis capits “nits” Trichothiodystrophy Trichochisis

  19. Differentialdiagnosis of loose angen hair syndrome

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