NAEVUS SEBACEUS (JADASSOHN): REPORT OF FOUR CASES

Naevus sebaceus of Jadassohn is a rather rare disorder. A survey of the available literature disclosed the reports of only thirty-five cases. Little reference to this subject was found in American dermatologic textbooks or periodicals. A report of four cases recently seen in the Klinik Arzt and a review of the literature were therefore thought to be of interest. These cases are not presented as the Balzer, Pringle or Hallopeau-Leredde types of sebaceous gland tumors, but as the fourth type first described by Jadassohn.1 REVIEW OF THE LITERATURE The term, "naevus sebaceus," was first employed by Jadassohn in 1895 to describe new growths of nevoid character composed partly or entirely of sebaceous glands. Two cases were reported; in one a systematized nevus was present. Jadassohn described the structure of the sebaceous glands forming the tumors as being normal. He differentiated for the first time naevus sebaceus from adenoma