Naevus pigmentosus piliforus

Leopold Freund1897-11

German Röntgen Museum

German Röntgen Museum
Remscheid, Germany

Radiation treatment of a girl with Naevus pigmentosus piliforus, a malformation of the skin leading to a hirsuite habitus (right side). The hairiness vanished, but the girl got a big ulcer (left side). The Viennese dermatologist Leopold Freund (1868-1943), the doctor in charge, can be regarded as founder of radiation therapy.


  • Title: Naevus pigmentosus piliforus
  • Creator: Leopold Freund
  • Date Created: 1897-11
  • Location Created: Vienna, Austria
  • Type: X-rays
  • Contributor: Leopold Freund
  • Original Source: Wiener Medizinische Wochenzeitschrift Vol.6 (1897)

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