Patterns of scalp and hair disease revealed by videodermoscopy

This chapter will provide an overview of videodermoscopic patterns seen in the normal scalp and in various non-tumoral scalp and hair conditions (Table 1.1). The patterns are classified as either interfollicular or follicular in origin. Interfollicular patterns are further subdivided Normal scalp Psoriasis Seborrhoeic dermatitis Alopecia areata Patchy Ophiasis Diffuse (incognita) Totalis/universalis Androgenetic alopecia Chronic telogen effluvium Trichotillomania Primary cicatricial alopecia Discoid lupus erythematosus Lichen planopilaris Folliculitis decalvans into vascular or pigment compartment-related. A summary of these patterns is shown in Table 1.2.