An ultrastructural stereologic study of aldosterone secreting adrenal adenomas and of adjacent zona glomerulosa.

Abstract:

:The ultrastructure of four aldosterone secreting adenomas and of the adjacent zona glomerulosa has been described by the use of stereological techniques. Adenomatous cells (about 2800 microns 3 in volume) invariably displayed a striking abundance of lipid droplets, which occupied about 30% of the cytoplasm. Mitochondria prevalently contained tubulo-lamellar or lamellar cristae, but some cells exhibited organelles with vesicular cristae. Smooth endoplasmic reticulum (SER) was not very abundant. Small lipofuscin-pigment granules were frequently seen and in a few cells they were exceedingly numerous. Zona glomerulosa cells were smaller (about 950 microns 3 in volume) and possessed mitochondria with typical tubulo-lamellar cristae, a plentiful SER and few lipid droplets. They showed the ultrastructural features of elements actively engaged in steroid synthesis. The possible origin of aldosteronoma cells from the zona glomerulosa is discussed.

journal_name

Histol Histopathol

authors

Belloni AS,Mantero F,Rocco S,Gottardo G,Mazzocchi G,Nussdorfer GG

subject

Has Abstract

pub_date

1988-07-01 00:00:00

pages

241-7

issue

3

eissn

0213-3911

issn

1699-5848

journal_volume

3

pub_type

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