What causes sporadic aldosteronoma in primary aldosteronism?

Updated: Mar 24, 2020
  • Author: Gabriel I Uwaifo, MD; Chief Editor: Romesh Khardori, MD, PhD, FACP  more...
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Answer

Most sporadic aldosteronomas arise from the zona fasciculata, and they often have surrounding glandular hyperplasia close to the adenoma. This suggests that a proliferative response of cells to some presently unidentified paracrine/autocrine factor occurs. Within this zone of hyperplasia, a clonal change in a single cell is believed to take place, thus providing the nidus for the developing adenoma.


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