21-hydroxylase deficiency classification
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-In-Chief: Mehrian Jafarizade, M.D [2]
Overview
Congenital adrenal hyperplasia due to 21-hydroxylase deficiency may be classified into two subtypes based on severity and time of onset: Classical and non-classical forms.
classification
21-hydroxilase deficiency my be classified by clinical manifestations in to two forms:
- Classical form, most severe form of 21-hydroxylase deficiency, presents during the neonatal period and early infancy. The classical form can be classified in to two subtypes based on aldosterone status:
- Classical salt wasting, aldosterone deficient,
- Classical non-salt wasting, normal aldosterone.
- Non-classical form or late-onset 21-hydroxylase deficiency, presents later during the adolescence period.[1][2]
References
- ↑ White PC, Speiser PW (2000). "Congenital adrenal hyperplasia due to 21-hydroxylase deficiency". Endocr. Rev. 21 (3): 245–91. doi:10.1210/edrv.21.3.0398. PMID 10857554.
- ↑ Speiser PW, Azziz R, Baskin LS, Ghizzoni L, Hensle TW, Merke DP, Meyer-Bahlburg HF, Miller WL, Montori VM, Oberfield SE, Ritzen M, White PC (2010). "Congenital adrenal hyperplasia due to steroid 21-hydroxylase deficiency: an Endocrine Society clinical practice guideline". J. Clin. Endocrinol. Metab. 95 (9): 4133–60. doi:10.1210/jc.2009-2631. PMC 2936060. PMID 20823466.