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Oncology7 papers

Atypical alveolar adenomatous hyperplasia

Last edited: 4/10/2026

Overview

Atypical alveolar adenomatous hyperplasia (AAH) is a prostatic lesion characterized by atypical epithelial hyperplasia and stromal pleomorphism 1. It bears a resemblance to cystosarcoma phyllodes of the female breast 1.

Diagnosis

  • A prostatic lesion characterized by atypical epithelial hyperplasia and pleomorphism of the stromal elements 1.
  • Features bear a strong resemblance to cystosarcoma phyllodes of the female breast 1.

    • Management

  • No management strategies are described in the provided abstracts.

    • Special Populations

  • No information on special populations is available in the provided abstracts.

    • Key Recommendations

  • A prostatic lesion characterized by atypical epithelial hyperplasia and pleomorphism of the stromal elements should be recognized 1. (Evidence: Expert opinion)
  • This atypical hyperplasia may represent a lesion comparable to cystosarcoma phyllodes of the female breast 1. (Evidence: Expert opinion)

    • References

    1 Attah EB, Nkposong EO. Phyllodes type of atypical prostatic hyperplasia. The Journal of urology 1976. link59372-6)

    Original source

    1. [1]
      Black heel with atypical melanocytic hyperplasia. — Cho KH, Kim YG, Seo KI, Suh DH Clinical and experimental dermatology (1993)
    2. [2]
      Phyllodes type of atypical prostatic hyperplasia. — Attah EB, Nkposong EO The Journal of urology (1976)
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