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Primary hyperaldosteronism with normokalaemia secondary to an adrenal adenoma (Conn's syndrome) in a 12 year-old boy

Lookup NU author(s): Nur Abdullah, Dr Juliet Hale, Andrew Barrett, Professor Timothy Cheetham


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A 12-1/2 year-old boy presented to the Accident Department following an episode of dizziness and was found to be hypertensive. Investigations revealed primary hyperaldosteronism secondary to an adrenal adenoma (Conn's syndrome). He had normal electrolytes during the period of investigation and potassium concentrations were 4.2 mmol/l on all but one occasion. The hypertension resolved following excision of the adrenal tumour. Normokalaemia with potassium >4.0 mmol/l is very unusual in patients with Conn's syndrome and has not been described in childhood before. Primary hyperaldosteronism needs to be considered in hypertensive children even when potassium concentrations are well within the laboratory reference range.

Publication metadata

Author(s): Abdullah N, Khawaja K, Hale J, Barrett AM, Cheetham TD

Publication type: Article

Publication status: Published

Journal: Journal of Pediatric Endocrinology & Metabolism

Year: 2005

Volume: 18

Issue: 2

Pages: 215-219

ISSN (print): 0334-018X

ISSN (electronic): 2191-0251

Publisher: Walter de Gruyter GmbH & Co. KG


DOI: 10.1515/JPEM.2005.18.2.215


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