ch. 1. Patterns of scalp and hair disease revealed by videodermoscopy / Antonella Tosti and Elizabeth K. Ross -- ch. 2. Androgenetic alopecia -- ch. 3. Alopecia areata -- ch. 4. Alopecia areata incognita -- ch. 5. Hair shaft disorders -- ch. 6. Scalp psoriasis -- ch. 7. Seborrhoeic dermatitis -- ch. 8. Trichotillomania -- ch. 9. Congenital triangular alopecia -- ch. 10. Lichen planopilaris -- ch. 11. Frontal fibrosing alopecia -- ch. 12. Folliculitis decalvans -- ch. 13. Connective tissue diseases -- ch. 14. Radiation alopecia -- ch. 15. Parasitoses of the scalp / Giuseppe Micali and Francesco Lacarrubba -- ch. 16. Body hair disorders -- ch. 17. Pathological correlations / Antonella Tosti and Cosimo Misciali.