- A dictionary of medical eponyms

Koch's phenomenon (Robert Koch)

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Delayed hypersensititvity response. If an animal previously infected with tuberculosis organisms is reinfected intracutaneously, a local inflammatory reaction marked by necrotic lesions will develop rapidly and heal quickly.


  • R. Koch:
    Weitere Mittheilungen ├╝ber ein Heilmittel gegen Tuberkulose.
    Deutsche medizinische Wochenschrift, 1891, 17: 101-102 and 1189-1192. Ueber neue Tuberkulinpr├Ąparate.
    Deutsche medizinische Wochenschrift, 1897, 23: 209-213.

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