نتایج جستجو برای: adrenocortical adenoma
تعداد نتایج: 27212 فیلتر نتایج به سال:
It is well known that cholera toxin (CT) stimulates ADP-ribosylation of Gs and also pertussis toxin (PT) does Gi. Each GTP-binding protein has its own action in the regulation of adenylate cyclase. A human non-functioning adrenocortical cancer tissue showed an unresponsiveness in adenylate cyclase to ACTH although ACTH and CT activated adenylate cyclase in a non-functioning adrenal adenoma tiss...
OBJECTIVE To study the clinical, biochemical, hormonal, radiological and histopathological profile of adrenocortical tumors in children; to assess the clinicopathological correlations and note the future outcome. DESIGN Retrospective and prospective study. SETTING Hospital based; Endocrine Service of our institution and other institution based services. SUBJECTS 14 children (Females = 11,...
Pulmonary embolism (PE) is a major health problem. Mortality in untreated PE is high, but with adequate (anticoagulant) treatment, can be reduced. Multiple primary and secondary risk factors are responsible for PE. But there is rare association of mixed adrenal tumor with PE. Here, we report a case of adrenocortical adenoma with Cushing's syndrome coexistent with pheochromocytoma with recurrent...
We report three cases of Cushing's syndrome (CS) with bilateral adrenal tumors. When bilateral adrenal tumors are encountered, a differential diagnosis is difficult to make, especially in the case of functioning bilateral adrenocortical adenoma. Adrenal scintigraphy has become a standard technique to determine the laterality of excessive hormone secretion; however, this examination results in b...
Cardiac myxoma is the most common cardiac tumour. Most lesions occur sporadically, but occasional lesions develop in patients with Carney complex, a syndrome characterized by cardiac myxoma, spotty pigmentation, and endocrine overactivity. Two-thirds of patients with Carney complex harbour germline mutations in PRKAR1A, which encodes the type I regulatory subunit of protein kinase A (PKA). Most...
OBJECTIVES We prospectively investigated the prevalence of curable forms of primary aldosteronism (PA) in newly diagnosed hypertensive patients. BACKGROUND The prevalence of curable forms of PA is currently unknown, although retrospective data suggest that it is not as low as commonly perceived. METHODS Consecutive hypertensive patients referred to 14 hypertension centers underwent a diagno...
The clinical response of 57 adult patients with Cushing's syndrome due to bilateral adrenocortical hyperplasia or adrenocortical adenoma is documented foUlowing resolution of hypercortisolaemia by various forms of treatment. Despite satisfactory biochemical remission of the disease the clinical result was far less satisfactory when assessed by persistence of obesity (55%), menstrual irregularit...
A 31-year-old woman was referred to our hospital with symptoms of hypertension and bilateral adrenocortical masses with no feature of Cushing syndrome. The serum aldosterone/renin ratio was elevated and the saline loading test showed no suppression of the plasma aldosterone level, consistent with a diagnosis of primary hyperaldosteronism. Overnight and low-dose dexamethasone suppression tests s...
DESIGN AND METHODS We have recently demonstrated that the adrenal cortices attached to aldosterone-producing adenoma (APA) contained microscopic subcapsular micronodules suggestive of active aldosterone production. In this study, we used in situ hybridization to investigate the mRNA expression of steroidogenic enzymes in the adrenal cortices attached to cortisol-producing adenoma (CPA) and clin...
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