Extramammary Paget disease

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Extramammary Paget disease, abbreviated EMPD, is a skin disease. As the name suggests, there is also a Paget disease of the breast.

There is also a Paget disease of the bone - just to make things confusing. This is dealt with in the bone article and has nothing (from a pathologic perspective) to do with the Paget disease discussed in this article

General

  • Usually not associated with malignancy, unlike the Paget disease of the breast - important difference.
  • Classically seen in the vulva.
  • May afflict penis.[1]

Microscopic

Features:

  • Epitheliod morphology (round/ovoid).
  • Cells nested or single.
  • Clear/pale cytoplasm key feature - may also be eosinophilic.
  • Large nucleoli.

Images:

DDx

See also

References

  1. Ekwueme, KC.; Zakhour, HD.; Parr, NJ. (2009). "Extramammary Paget's disease of the penis: a case report and review of the literature.". J Med Case Reports 3: 4. doi:10.1186/1752-1947-3-4. PMID 19126202.