Josef Jadassohn

Josef Jadassohn

Joseph (Josef) Jadassohn (September 10, 1863, Liegnitz - March 24, 1936, Zurich) was a German dermatologist. He was an assistant to Albert Neisser at the Allerheiligen-Hospital in Breslau until 1892, the director of the university skin clinic in Bern (1896-1917), and later a professor of dermatology at Breslau University (1917-1932). He was a pioneer in the field of allergology. He was one of the first physicians to use immunological techniques in studying dermatological disorders, and made several contributions in the understanding of the immunopathology of tuberculosis and trichophytosis. Two of the dermatological disorders named after him are: "Jadassohn's disease I" (a skin disorder originating at the elbow} and "Jadassohn's disease II" (a natal skin disorder affecting the face and scalp). Jadassohn is also credited for introducing patch testing for diagnosis of allergic contact dermatitis, and in 1901 described a rare childhood dermatological disorder known as "granulosis rubra nasi".

Jadassohn is remembered for a monumental 24-volume opus which he began publication of in 1927. It was called the "Handbuch für Haut- und Geschlechtskrankheiten" and contained all knowledge of dermatology known up to that point in time.

Together with his assistants Walter Dössekker (1868-1962), Max Tièche (1878-1938) and Felix Lewandowsky (1879-1921), he shares a handful of eponymous medical conditions, including:
* "Jadassohn-Dössekker disease": Also known as atypical tuberous myxedema.
* "Tièche-Jadassohn naevus": A hard, dark blue, benign melanocytic tumor.
* "Jadassohn-Lewandowsky syndrome": An ectodermal dysplasia characterized by onychogryposis, hyperkeratosis, leukoplakia, hyperhidrosis and pachyonychia congenita.

Literary works

* "Die venerischen Krankheiten", 1901
* "Dermatologie", 1938
* "Handbuch der Haut- und Geschlechtskrankheiten"

External links

* [http://www.whonamedit.com/doctor.cfm/743.html Who Named It?, Josef Jadassohn]

:Germany-academic-bio-stub|Jadassohn Josef:dermatology-stub|Jadassohn Josef


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  • Jadassohn anetoderma nevus — Ja·das·sohn anetoderma, nevus (yahґdah sōn) [Josef Jadassohn, German dermatologist in Switzerland, 1863–1936] see under anetoderma and see nevus sebaceus, under nevus …   Medical dictionary

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  • JADASSOHN, JOSEF — (1863–1936), German dermatologist. Jadassohn, who was born at Liegnitz, studied at Breslau and was professor and director of the dermatological clinic at the University of Berne, Switzerland, from 1896. From 1917 until his retirement in 1931 he… …   Encyclopedia of Judaism

  • Jadassohn — Josef, German dermatologist in Switzerland, 1863–1936; introduced the patch test for contact dermatitis. See J. nevus, Borst J. type intraepidermal epithelioma, J. Pellizzari anetoderma, Franceschetti J. syndrome, J. Lewandowski syndrome …   Medical dictionary

  • Joseph Jadassohn — Josef Jadassohn Josef Jadassohn (* 10. September 1863 in Liegnitz; † 24. März 1936 in Zürich) war ein deutscher Dermatologe. Inhaltsverzeichnis 1 Leben …   Deutsch Wikipedia

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