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At least 235 records · Page 13Linked to original sources
PubMed1950

Adrenocortical tumors.

Hormonally active tumors of the adrenal cortex are either benign adenomas or adenocarcinomas. They may be located within the adrenal gland or as adrenal rests along the Wolffian tract. Hyperplastic cortical tissue without actual neoplastic formation is also capable of elaborating excessive cortical secretions.AT THE PRESENT STATE OF KNOWLEDGE, ANY ONE OR A COMBINATION OF THE FOLLOWING COMPOUNDS MAY BE ELABORATED IN A GIVEN CASE: the electrolytic, glucogenic, androgenic, or estrogenic corticosteroids. Whether or not Cushing's syndrome is primarily pituitary or adrenal in origin is still a matter of conjecture.

Adenoma↗
PubMed1975

Competitive protein binding radioassay of plasma and urinary unconjugated cortisol.

In order to establish a more reliable profile of the function of the adrenal cortex, a study has been made of this simultaneous estimation of plasma and urinary unconjugated cortisol by competitive protein binding (CPB) radioassay. Both plasma and urinary cortisol were measured by CPB radioassay after solvent extraction. Normal ranges were found for plasma and urinary cortisol. The samples obtained in the morning (8:00 am) established a normal plasma cortisol range of 9.0-21.6 mug% with a mean of 15.3. range for urinary unconjugated cortisol was 12.0-41.5 mug/day (mean 26.9). Dexamethasone suppression and adrenocorticotrophic hormone stimulation of plasma and urinary cortisol were tested with individuals having normal and abnormal adrenal cortical function. RESULTS INDICATED A GOOD CLINICOPATHOLOGICAL CORRELATION. It was concluded that plasma and urinary unconjugated cortisol are reliable laboratory tests for adrenocortical function and would be the methods of choice rather than urinary 17-ketogenic steroids.

17-Ketosteroids↗
PubMed1991

[Useful and pointless steroid determinations: appropriate laboratory diagnosis of adrenal cortex function].

A generation ago, the determination of urinary 17-hydroxycorticoids was the best available laboratory procedure for assessing adrenocortical function. Today, the plasma cortisol concentration, measured by radioimmunoassay, is a much more specific and reliable parameter, particularly in combination with simple functional tests, which are also suitable for ambulatory patients. The most appropriate tests of adrenocortical function for the diagnosis or exclusion of Cushing's syndrome or of primary and secondary adrenocortical failure are briefly described. Substitution therapy in patients with adrenocortical insufficiency must be evaluated by clinical criteria and not by steroid analysis.

17-Hydroxycorticosteroids↗
PubMed1990

Nucleolar organizer regions in human adrenocortical disorders.

A silver colloid technique to demonstrate nucleolar organizer region-associated proteins (AgNORs) was performed on sections of 39 human adrenal glands, including normal adrenal cortex, bilateral adrenocortical hyperplasia, adenoma, and carcinoma. In mineralocorticoid and glucocorticoid-producing adrenocortical cells, the mean number of AgNORs per nucleus was lowest in the normal adrenal gland and highest in adenoma, with statistically significant differences. The mean number of AgNORs in bilateral adrenocortical hyperplasia was placed between that of normal adrenal and adenoma. AgNOR numbers in morphologically and clinically verified adrenocortical carcinoma (12 cases) were not different from those in adenoma (17 cases). In adrenal cortex, AgNOR numbers may be correlated with increased steroid hormone production but appear to be of little value in discerning malignancy in adrenocortical neoplasms.

Adenoma↗