نتایج جستجو برای: adrenal hyperplasia
تعداد نتایج: 84522 فیلتر نتایج به سال:
INTRODUCTION Adrenocorticotropic hormone-independent macronodular adrenal hyperplasia, characterized by bilateral macronodular adrenal hypertrophy and autonomous cortisol production, is a rare cause of Cushing's syndrome. Bilateral adrenalectomy is considered the standard treatment for adrenocorticotropic hormone-independent macronodular adrenal hyperplasia but obliges the patient to receive li...
Congenital adrenal hyperplasia consists of a heterogenous group of inherited disorders due to enzymatic defects in the biosynthetic pathway of cortisol and/or aldosterone. This results in glucocorticoid deficiency, mineralocorticoid deficiency, and androgen excess. 95% of CAH cases are due to 21-hydroxylase deficiency. Clinical forms range from the severe, classical CAH associated with complete...
Congenital lipoid adrenal hyperplasia (lipoid CAH) is the most fatal form of CAH, as it disrupts adrenal and gonadal steroidogenesis. Most cases of lipoid CAH are caused by recessive mutations in the gene encoding steroidogenic acute regulatory protein (StAR). Affected patients typically present with signs of severe adrenal failure in early infancy and 46,XY genetic males are phenotypic females...
The incidence of congenital adrenal hyperplasia in Saudi Arabia and the frequency of the carrier rate are not well known. Both figures should be high, considering the commonness of first-degree consanguinity in this part of the world. We present 25 cases of congenital adrenal hyperplasia, most of them due to a defect of the 21 hydroxylase enzyme, diagnosed and followed over three years at Sulei...
Congenital adrenal hyperplasia is attributed to inherited enzyme defects in the adrenal cortex. The classical form results in reduced production of cortisol and aldosterone, accompanied by an increase in production of adrenal cortical androgens. This causes virilisation in girls, adrenocortical failure and early puberty in both sexes. This article describes the genetics, clinical picture, diagn...
Congenital adrenal hyperplasia (CAH) is an inherited disorder of steroidogenesis characterized by adrenal insufficiency and variable degrees of hyper or hypo androgeny manifestations, depending of the type and the severity of the disease. A classic form presents with prenatal onset of virilization caused by severe enzyme deficiency and is distinguished from a non-classic form with mild enzyme d...
CONGENITAL adrenal hyperplasia is a rare disease of adults. Probably the oldest recorded case in the literature is of a 57-year-old woman (Logan and McMillan, 1964) who presented as an abdominal emergency. Most of the published reports and standard references are concerned with the biochemical data and there is little suggestion of a characteristic clinical picture. The following case is presen...
Congenital adrenal hyperplasia (CAH) is an inherited disorder of steroidogenesis characterized by adrenal insufficiency and variable degrees of hyper or hypo androgeny manifestations, depending of the type and the severity of the disease. A classic form presents with prenatal onset of virilization caused by severe enzyme deficiency and is distinguished from a non-classic form with mild enzyme d...
Introduction: Congenital adrenal hyperplasia (CAH) comprises a group of autosomal recessive disorders, which are due to defects in single enzymes involved in adrenal steroidogenesis. The biochemical and clinical phenotype depends on the specific enzymatic defect. In 21hydroxylase and 11β-hydroxylase deficiency only adrenal steroidogenesis is affected, whereas a defect in 3β-hydroxysteroid dehyd...
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