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  • Title: Spironolactone bodies in aldosteronomas and in the attached adrenals. Enzyme histochemical study of 19 cases of primary aldosteronism and a case of aldosteronism due to bilateral diffuse hyperplasia of the zona glomerulosa.
    Author: Aiba M, Suzuki H, Kageyama K, Murai M, Tazaki H, Abe O, Saruta T.
    Journal: Am J Pathol; 1981 Jun; 103(3):404-10. PubMed ID: 7195152.
    Abstract:
    The formation of spironolactone (S) bodies, eosinophilic laminated cytoplasmic inclusions, is induced in the aldosterone-producing cells of the human adrenal cortex after the administration of spironolactone. The aim of this study was to define the enzyme histochemical characteristics of S bodies, S-body-containing cells, and the apparently hyperplastic zona glomerulosa (zG) of adrenal tissues attached to aldosteronomas. S bodies were found in 14 of 19 aldosteronomas, in 10 of 19 adrenal tissues attached to aldosteronomas, and in the adrenal tissues in a patient with aldosteronism due to bilateral diffuse zG hyperplasia. The S bodies themselves exhibited most intense 3 beta-hydroxysteroid dehydrogenase (3 beta HSD) activity but did not exhibit glucose-6-phosphate dehydrogenase (G6PD), NADP-dependent isocitrate dehydrogenase (NADP-ICDH), or succinate dehydrogenase (SDH) activity, confirming histochemically the origin of S bodies in the smooth endoplasmic reticulum. In two adenomas, S bodies were found to be surrounded by reaction products of acid hydrolase but were not found in the other adenomas and the remaining adrenal tissues. S-body-containing cells, irrespective of being neoplastic or not, showed enhanced 3 beta HSD, G6PD, and NADP-ICDH activity and weak SDH activity (Type I pattern of enzyme activity). Though zG was hyperplastic in most of the adrenal tissues attached to the adenomas, zG cells that did not contain S bodies showed the opposite pattern (Type II pattern) of enzyme activity (ie, weak 3 beta HSD, G6PD, and NADP-ICDH activity and intense SDH activity), in contrast to those in the adrenal tissues in a patient with aldosteronism due to bilateral diffuse zG hyperplasia (which showed the Type I pattern). The results are consistent with the view that hyperplastic zG cells, except S-body-containing cells, in the case of aldosteronoma are not hyperfunctioning. The latter cells may have enhanced but possibly abortive steroidogenic activity.
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