17 alpha-hydroxylation deficiency.
Cases of sexual immaturity and male pseudohermaphroditism due to disorders such as androgen resistance, 5 alpha-reductase deficiency, cholesterol desmolase deficiency, 3 beta-hydroxysteroid dehydrogenase deficiency, and testicular and ovary dysgenesis can easily be distinguished from 17 alpha-OHD. None of these disturbances result in hypertension. In the only other form of juvenile hypertension due to congenital adrenal hyperplasia, 11 beta-OHD, androgen excess leads to female pseudohermaphroditism and precocious puberty in the male patient. Patients with dexamethasone-suppressible hyperaldosteronism present with no sexual abnormalities. A diagnosis of 17 alpha-OHD can be readily assumed in the female patient with primary amenorrhea, hypertension, and hypokalemia. The absence of aldosterone, a measurement that is readily available, establishes this diagnosis even without the measurement of DOC.[1]References
- 17 alpha-hydroxylation deficiency. Biglieri, E.G., Kater, C.E. Endocrinol. Metab. Clin. North Am. (1991) [Pubmed]
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