Biochemical diagnosis and management of corticosterone methyl oxidase type II deficiency

Phillip D.K. Lee, Brian D. Patterson, Raymond L. Hintz, Ron G. Rosenfeld

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

We report serum steroid profiles in two siblings with CMO type II deficiency. Serum levels of aldosterone precursors were elevated in both patients before treatment. In particular, the serum ratios of 18-OHB to aldosterone were greatly elevated and declined to normal levels during mineralocorticoid replacement. The possibility of heterozygote detection using this ratio is suggested. We also confirm previous reports of a detrimental effect on linear growth rate after cessation of mineralocorticoid therapy despite maintenance of normal serum electrolytes. This effect is associated with biochemical evidence of chronic salt depletion. Based on our observations, we recommend that serum 18-OHB to aldosterone ratios be routinely measured for the diagnosis and management of patients with CMO type II deficiency.

Original languageEnglish (US)
Pages (from-to)225-229
Number of pages5
JournalJournal of Clinical Endocrinology and Metabolism
Volume62
Issue number1
DOIs
StatePublished - Jan 1986
Externally publishedYes

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Biochemistry
  • Endocrinology
  • Clinical Biochemistry
  • Biochemistry, medical

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