“…They have also been called 'receptor naevus' or 'pharmacological naevus', and would refiect a hypersensitivity of the receptors to circulating androgens. We may also draw a parallel with anaemic naevi (Butterworth & Walters, 1952;Greaves, Birkett & Johnson, 1970) and with unilateralsegmentary hyperhidrosis (Dworin & Sober, 1978). Finally, various clinical aspects of sebaceous receptor diseases may be observed: anacne with a region of more intense lesions with seborrhoea (Cooper era/., 1976), a limited zone of the skin which is free of acne lesions (Cunliffe et al, i^jj) and a monstrous and diffuse hyperplasia of the sebaceous glands (our case) with sebaceous hypersecretion but without acne.…”