Facial nerve palsy and hypertension; unusual presentation of apparent mineralocorticoid excess (AME) syndrome in a paediatric patient.

چکیده اصلی

We report a rare case of a monogenic form of hypertension where a boy in early childhood presented with a 2-day history of right-sided facial palsy. Severe hypertension was evident with signs of end-organ damage. This report aims to highlight the diagnostic process when a common presentation, such as facial palsy, uncovers a serious and rare underlying condition that demands urgent multidisciplinary care. Further workup revealed that the patient had hypokalaemic metabolic alkalosis with low serum renin and aldosterone levels. His urinary steroid profile was suggestive of Apparent Mineralocorticoid Excess. A homozygous autosomal recessive variant in the hydroxysteroid 11-beta dehydrogenase 2 gene confirmed a diagnosis of 11β-hydroxysteroid dehydrogenase type 2 deficiency. The syndrome has fewer than one hundred cases documented to date, with reversal of the mineralocorticoid effect as the primary treatment. This case highlights the importance of a step-by-step approach to paediatric hypertension and the need for an early urinary steroid profile.

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