Josef Jadassohn
Joseph Jadassohn was a German dermatologist.
Biography
He was an assistant to Albert Neisser at the Allerheiligen Hospital in Breslau until 1892, the director of the university skin clinic in Bern, and later a professor of dermatology at Breslau University.Jadassohn was among the first to take an immunological approach in research of dermatological disorders, and contributed to the understanding of the immunopathology of tuberculosis and trichophytosis. He was a pioneer in the field of allergology, and is credited for introducing patch testing for diagnosis of contact dermatitis. In 1901 he described a rare childhood dermatological disorder known as granulosis rubra nasi.
Conditions
Two dermatological disorders that are named after him are: "Jadassohn's disease I" and "Jadassohn's disease II". Together with his assistants, Walter Dössekker, Max Tièche, and Felix Lewandowsky, he shares the following eponymous medical conditions:- Jadassohn–Dössekker disease: Also known as atypical tuberous myxedema.
- Jadassohn-Tieche [blue nevus|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.
- Nevus Sebaceous of Jadassohn: yellow-orange flat plaque, occurring most commonly on the scalp or face, usually present at birth, malignant potential, surgically excised prior to hormone-triggered growth during puberty
Literary works
- Die venerischen Krankheiten,.
- Ueber eine eigenartige Erkrankung der Nasenhaut bei Kindern. Archiv für Dermatologie und Syphilis, Wien, 1901, 58: 145–158.
- Die Tuberkulose der Haut. In: Franz Mracek's Handbuch der Hautkrankheiten.
- Allgemeine Ätiologie, Pathologie, Diagnose und Therapie der Gonorrhoe,.
- Lepra, in Wilhelm Kolle and August [Paul von Wassermann]'s Handbuch der pathogenen Microorganismen. second edition, Jena- 1913; third edition, volume 5,2- 1928.
- Dermatologie,.