It is estimated to affect less than one in a million people. Only 50 to 100 cases have so far been described.
Hypotrichosis with juvenile macular dystrophy
Ichthyosis bullosa of Siemens
Acne miliaris necrotica
Ichthyosis follicularis with alopecia and photophobia syndrome
Tuberculosis verrucosa cutis
Tuberculosis cutis orificialis
Eosinophilic pustular folliculitis of infancy
Granuloma annulare