“…While trichotillomania and trichotemnomania are considered to be obsessive-compulsive disorders [5,6], the psychopathologic substratum of trichoteiromania is less consistent. Nevertheless, scalp dysesthesia in the absence of a specific dermatological disorder has been pointed out as a common denominator [5], whether psychiatric-based or resulting from sympathetic disorders, such as Claude Bernard-Horner syndrome [7]. The patient's scalp indeed showed no underlying pathology, notwithstanding the fact that scalp disease, such as seborrheic dermatitis or dermatophytosis, can eventually aggravate this disorder [8], expectedly by exacerbating the compulsive rubbing behavior.…”