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18 - HYDROXYCORTICOSTERONE LabTest

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18 - HYDROXYCORTICOSTERONE LabTest
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18 - HYDROXYCORTICOSTERONE LabTest

Primary aldosteronism should be suspected whenever a patient has the triad of hypertension, hypokalemia, and inappropriate renal potassium wasting. The biggest challenge is the differential diagnosis between the more common adrenal adenoma and bilateral hyperplasia. Because adrenal adenomas increase the circulating levels of 18-hydroxycorticosterone (18-OH B), serum levels of 18-OH B may be useful to differentiate them from bilateral adrenal hyperplasia. The cutoff point appears to be about 50 ng/dL of serum. Most values are around 100 ng/dL. The higher the level of this precursor, the greater the possibility that an adrenal adenoma is present. J Clin Endocrinol Metab.

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18 - HYDROXYCORTICOSTERONE LabTest

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