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<p><b>New page</b></p><div>[[File:Epikutanni-test.jpg|thumb|Epikutanni-test.jpg]] '''Josef Jadassohn''' (10 September 1863 – 24 March 1936) was a [[German]] [[dermatologist]] and [[syphilologist]] who made significant contributions to the field of [[dermatology]]. He is best known for his work on [[skin diseases]] and for identifying several dermatological conditions.<br />
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== Early Life and Education ==<br />
Josef Jadassohn was born in [[Liegnitz]], [[Prussia]] (now [[Legnica]], [[Poland]]). He studied medicine at the [[University of Breslau]] (now [[Wrocław University]]) and later at the [[University of Berlin]]. He completed his medical degree in 1887.<br />
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== Career ==<br />
Jadassohn began his career at the [[University of Breslau]], where he worked under the renowned dermatologist [[Albert Neisser]]. He later became a professor of dermatology at the [[University of Bern]] in [[Switzerland]] and subsequently at the [[University of Breslau]].<br />
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== Contributions to Dermatology ==<br />
Jadassohn made numerous contributions to dermatology, including the identification and description of several skin conditions:<br />
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* '''[[Jadassohn-Lewandowsky syndrome]]''': Also known as pachyonychia congenita, this is a rare genetic disorder characterized by thickened nails and other skin abnormalities.<br />
* '''[[Jadassohn's nevus]]''': A type of epidermal nevus that is present at birth and can become more pronounced over time.<br />
* '''[[Jadassohn's anetoderma]]''': A condition characterized by localized areas of slack skin due to the loss of elastic tissue.<br />
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== Syphilology ==<br />
In addition to his work in dermatology, Jadassohn made significant contributions to the study of [[syphilis]]. He developed the [[Jadassohn-Pellizzari test]], a diagnostic test for syphilis.<br />
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== Legacy ==<br />
Jadassohn's work laid the foundation for modern dermatology and syphilology. His research and clinical observations continue to influence the field. He trained many students who went on to become prominent dermatologists.<br />
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== Personal Life ==<br />
Jadassohn was married and had children. He passed away in 1936 in [[Zurich]], [[Switzerland]].<br />
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== See Also ==<br />
* [[Dermatology]]<br />
* [[Syphilis]]<br />
* [[Albert Neisser]]<br />
* [[University of Breslau]]<br />
* [[University of Bern]]<br />
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== References ==<br />
{{Reflist}}<br />
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== External Links ==<br />
{{Authority control}}<br />
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[[Category:1863 births]]<br />
[[Category:1936 deaths]]<br />
[[Category:German dermatologists]]<br />
[[Category:Syphilologists]]<br />
[[Category:University of Breslau alumni]]<br />
[[Category:University of Bern faculty]]<br />
[[Category:University of Breslau faculty]]<br />
[[Category:People from Legnica]]<br />
[[Category:People from the Province of Silesia]]<br />
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