Aldosterone-producing adenoma presenting with hypokalemic myopathy. Case report and review

B. A. Dickson, R. C. Franks

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

A 9 year-old boy who complained of fatigue, myalgias, and progressive weakness was found to have a markedly elevated serum creatine phosphokinase (CPK). He developed polyuria with polydipsia and was noted to be hypertensive and severely hypokalemic. Treatment with potassium and spironolactone alleviated his signs and symptoms and normalized the blood pressure and CPK. Initial studies revealed low plasma renin activity that did not increase with change from supine to upright position. Plasma aldosterone was consistently elevated in the supine position, decreased with upright posture, and was not suppressed by administration of dexamethasone. Plasma 18-hydroxycorticosterone also was elevated. Enhanced computerized tomography (CT) revealed a mass in the left adrenal that had not been seen on the initial unenhanced scan. Adrenal vein catheterization confirmed elevated plasma aldosterone on that side. Adrenalectomy was performed, and a well-encapsulated adenoma was found at examination of the surgical specimen. Postoperatively, suppression of plasma renin activity continued for many months without signs of aldosterone deficiency.

Original languageEnglish (US)
Pages (from-to)344-347
Number of pages4
JournalClinical Pediatrics
Volume27
Issue number7
StatePublished - 1988

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Muscular Diseases
Aldosterone
Adenoma
Creatine Kinase
Renin
18-Hydroxycorticosterone
Polydipsia
Polyuria
Spironolactone
Supine Position
Myalgia
Adrenalectomy
Posture
Catheterization
Dexamethasone
Signs and Symptoms
Fatigue
Veins
Potassium
Tomography

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

Cite this

Aldosterone-producing adenoma presenting with hypokalemic myopathy. Case report and review. / Dickson, B. A.; Franks, R. C.

In: Clinical Pediatrics, Vol. 27, No. 7, 1988, p. 344-347.

Research output: Contribution to journalArticle

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