NEVUS SEBACEOUS of Jadassohn is a common skin lesion of children. Even though present at birth, it is more readily seen at 1 month to 6 weeks of age. In the older infant, the growth of hair around the nevus accentuates the lesion. Twelve cases in the past seven years were encountered in the pediatric practice of one of the authors (AEC). Records of nine patients with the lesion were found. In seven cases the lesions were excised and examined microscopically. These will be described below. Photographs are shown to illustrate the clinical picture of three representative lesions (Fig 1-3).
Robinson1 introduced the term "nevus sebaceous of Jadassohn" into the American medical literature in 1932. Jadassohn in 18952 used the term "organoid nevus" for lesions with excesses or deficiencies of one or more of the normal mature constituents of the skin. He used the term "sebaceous gland nevus"
Conner AE, Bryan H. Nevus Sebaceous of Jadassohn. Am J Dis Child. 1967;114(6):626-630. doi:10.1001/archpedi.1967.02090270082007