Difference between revisions of "Poroma"

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*[[Nodular hidradenoma]].
*[[Nodular hidradenoma]].
*[[Porocarcinoma]].
*[[Porocarcinoma]].
*[[Seborrheic keratosis]] - have horn cysts.


===Images===
===Images===
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[[Category:Diagnosis]]
[[Category:Diagnosis]]
[[Category:Dermatopathology]]

Latest revision as of 14:35, 30 September 2021

Poroma is a rare benign dermatologic neoplasm.

Eccrine poroma redirect here.

General

  • Benign tumour arising from the distal sweat duct.
  • Erythematous - gross.

Microscopic

Features:[1]

  • Broad sheets of basaloid cells - attached to the epidermis - containing ductal structures - key feature.
  • Biphasic stroma:
    1. Edematous stroma.
    2. Sclerotic stroma.
  • Moderate nuclear pleomorphism.
  • +/-Occasional mitoses.

Notes:

  • Area above gland appears crusted.

DDx:

Images

www:

See also

References