A 39-year-old woman had 61 histiocytomas, the first of which appeared when she was 8 years old. A review of the literature revealed only four other patients with 30 or more such lesions as distinguished from the condition of generalized eruptive histiocytomas.
Baraf CS, Shapiro L. Multiple HistiocytomasReport of a Case. Arch Dermatol. 1970;101(5):588-590. doi:10.1001/archderm.1970.04000050092013