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Plasma dehydroepiandrosterone sulfate levels in patients with hyperfunctioning and non-hyperfunctioning adrenal tumors before and after adrenal surgery.

To investigate the clinical significance of plasma dehydroepiandrosterone sulfate (DHEAS) measurements, 175 patients with histologically confirmed adrenal tumors, 10 cortisol-producing adenomas, 59 aldosterone-producing adenomas, 56 non-hyperfunctioning adenomas, 13 adrenocortical carcinomas, 13 adrenal cysts, and 24 adrenomedullary tumors were studied. Plasma DHEAS levels were expressed as percentage of the mean of sex- and age-matched groups of healthy, normal subjects (DHEAS %). We found that before adrenal surgery, DHEAS % values were significantly reduced in patients with cortisol-producing (mean, 15.2% of control; 95% confidence interval (CI), 9.4-24.7%), non-hyperfunctioning (28.4%; 22.4-36.0%) as well as aldosterone-producing adrenocortical adenomas (55.4%; 47.1-65.1%) compared with controls, while values were normal in patients with adrenal cysts and in those with adrenomedullary tumors. Plasma DHEAS % values exhibited a great variability in adrenocortical carcinomas (mean, 84.0%; 95% CI, 33.2-212.5%). Death from adrenocortical carcinoma was more frequent in patients with high plasma DHEAS % values compared with those with low DHEAS %. During long-term postoperative monitoring, we found that plasma DHEAS levels of patients with aldosterone-producing and non-hyperfunctioning adenomas returned to normal in the second and fourth postoperative year respectively. In patients with cortisol-producing adenomas, plasma DHEAS remained suppressed for as long as 8 years after the operation. These findings show that except in adrenocortical carcinomas and cysts, plasma DHEAS levels are significantly decreased in all groups of adrenocortical tumors, including non-hyperfunctioning and aldosterone-producing tumors. The extent of this decrease and the postoperative persistence of suppressed plasma DHEAS levels may be related to the glucocorticoid production of adrenocortical tumors.

Adenoma↗

[Adrenal gland morphological alterations in the acquired immunodeficiency syndrome].

In the acquired immunodeficiency syndrome (AIDS), the adrenal glands are subject to opportunistic infections, neoplasm or direct cytopathic effect by HIV. It is know that the incidence and type of adrenal involvement vary according to the patient's place of origin. In this paper we evaluate adrenal involvement in fourteen patients that died from AIDS in the University Hospital of Uberaba, Brazil. The group studied was comprised of thirteen males and thirteen whites. The age was 29.9 +/- 7.8 years, and the body mass index was 19.0 +/- 4.1 kg/m2. Adrenal specimens obtained from autopsies were analyzed by light microscopy. Inflammation was found in 100% of the cases and the etiologic agent(s) was (were) identified in eight (58.1%) patients. Cytomegalovirus was identified in seven cases, Cryptococcus sp and Herpes simplex in two and Histoplasma sp in one case, these pathologic findings were similar to literature. We also found parenchymal calcification and adrenal central vein phlebitis in one case each. Injury was found in some cases without identified infections agent. This fact could be due to the direct cytopathic effect by HIV, or due to toxicity of drug therapy used during treatment of AIDS and opportunistic infections.

AIDS-Related Opportunistic Infections↗

Adrenal incidentalomas -- a continuing management dilemma.

Adrenal incidentalomas (AI), adrenal tumors detected through an imaging procedure done for reasons unrelated to adrenal dysfunction, is becoming a common clinical problem with the more frequent utilization of different imaging techniques. Most such tumors are benign and hormonally inactive. A variety of diagnostic strategies have been developed to distinguish the latter; however, they are still controversial. Even after a commissioned systematic review of the literature and a state of the science conference sponsored by the National Institutes of Health, the optimal strategy for hormonal screening of a patient with AI is unknown, but we anticipate further refinements and major advances in the field. Surgery is the ultimate solution for the diagnostic-therapeutic dilemma of AI. Careful planning is required, and the learning curve which influences clinical decision making is especially relevant to immediate outcomes. The benefit of making a diagnosis of a clinically significant AI must be considered in the context of the patient's overall condition and preferences.

Adrenal Gland Diseases↗

Adrenal pseudocyst mimicking a pheochromocytoma found after a traffic accident.

We report a case of adrenal pseudocyst difficult to differentiate from pheochromocytoma. A right adrenal mass was found in a 41-year-old man after a traffic accident. Plasma level of renin was low, plasma level of aldosterone, and urine levels of aldosterone and catecholamines were high. Dynamic tests for primary aldosteronism and pheochromocytoma were negative. No abnormal uptake was shown in 131I-adosterol or 131I-MIBG scintigram. Adrenal venous sampling presented high levels of catecholamines. Laparoscopic adrenalectomy was performed. Histological examination revealed a pseudocyst with a thick fibrocollagenous wall. We discuss the mechanism of high catecholamine levels in the right adrenal vein.

Accidents, Traffic↗

Adrenal insufficiency complicated with antiphospholipid syndrome (APS).

We describe a 69-year-old woman with bilateral adrenal hemorrhage complicated with antiphospholipid syndrome (APS). She was hospitalized with nausea and vomiting in September 2003. Laboratory data demonstrated hyponatremia, hypoglycemia and prolongation of activated partial thromboplastin time (aPTT). Abdominal computed tomography showed bilateral adrenal enlargement. In October 2003, she demonstrated altered mental status with progressive hyponatremia, a high level of ACTH, and a low level of serum cortisol. She also showed thrombocytopenia, anti-cardiolipin IgG antibody, anti-beta2GPI antibody, and lupus anticoagulants. After four months, anti-cardiolipin IgG antibody was still positive. Based on these findings, she was diagnosed as having APS complicated with adrenal insufficiency due to hemorrhagic infarction. After treatment with corticosteroid, a low dose of aspirin and normal saline infusion, her condition quickly improved. Platelet counts and aPTT were also normalized. To our knowledge, this is the second Japanese case of APS complicated with bilateral adrenal hemorrhage. APS should be considered an important underlying cause of adrenal insufficiency.

Adrenal Gland Diseases↗