Heinrich Koebner

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Heinrich Köbner (1838–1904)

Heinrich Koebner (German spelling Köbner); (2 December 1838 – 3 September 1904) was a

Breslau
.

He studied medicine in

University of Breslau. In 1884 he established a new policlinic in Berlin, where he provided classes for physicians.[1]

Koebner phenomenon

Koebner was a renowned dermatologist known for his research of

cutaneous diseases such as psoriasis. In other words, if a person has psoriasis, an injury is followed by new psoriatic lesions on the injured but otherwise normal (formerly non-psoriatic) skin, and these new lesions are similar to those of the diseased (originally psoriatic) skin in a clinical and histopathological
sense.

In 1872, Koebner explained this phenomenon to the Silesian Society for National Culture, by presenting a case in which years after the appearance of an isolated

lymphadenitis
, et al.) caused new outbreaks of psoriasis at exactly the same locations, in the same shape as the injured skin.

"Koebnerization" may also occur with skin disorders such as vitiligo and lichen planus. The following terms are derived from Koebner's name, and are still used by modern dermatologists:

  • "
    koebnerization
    ": word to describe the isomorphic process taking place.
  • "
    reverse koebnerization": is seen when an area of psoriasis clears; an isomorphic nonresponse. Also referred to as the "Renbök phenomenon", with the term "Renbök" being the reverse spelling of "Köbner".[2]
  • "
    warts and molluscum contagiosum
    .

References

  1. Who Named It
  2. ^ JAMA Dermatology Renbök Phenomenon and Contact Sensitization in a Patient With Alopecia Universalis

Further reading

  • Bernstein, EF; Kantor, GR (1992). "Treatment-resistant psoriasis due to a mastectomy sleeve: An extensive Koebner response". Cutis. 50 (1): 65–7.
    PMID 1516381
    .
  • Aslam, N.; Spiteri, V.; McNab, I. (2005). "Pseudo-Koebner phenomenon: Unusual manifestation of tuberculosis after venepuncture". Injury Extra. 36 (11): 479–82.
    doi:10.1016/j.injury.2005.03.026
    .
  • Thappa DM (2004). "The isomorphic phenomenon of Koebner". Indian J Dermatol Venereol Leprol. 70 (3): 187–9.
    PMID 17642609
    .
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