Munro's microabscess

Munro's microabscess is an abscess (collection of neutrophils) in the stratum corneum of the epidermis due to the infiltration of neutrophils from papillary dermis into the epidermal stratum corneum. They are a cardinal sign of psoriasis[1] where they are seen in the hyperkeratotic and parakeratotic areas of the stratum corneum.[2] Munro microabscesses are not seen in seborrheic dermatitis. [3]

It is named for William John Munro.[4]

References

  1. ↑ Kaneko F, Itoh N, Yoshida H, Suzuki M, Ono I (December 1991). "The cell-components and cytokines in the subcorneal microabscess of psoriasis". Fukushima J Med Sci 37 (2): 103–12. PMID 1823882.
  2. ↑ "DermPathTutor©-Munro Microabscess". Retrieved 2009-03-02.
  3. ↑ Braun-Falco, Otto. Dermatology. p. 489. ISBN 3540166726.
  4. ↑ Steffen C (August 2002). "William John Munro and Munro's abscess, and Franz Kogoj and Kogoj's spongiform pustule". Am J Dermatopathol 24 (4): 364–8. doi:10.1097/00000372-200208000-00016. PMID 12142621.


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