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Brian K. P. Goh, MBBS, MRCS, MMed (Surgery); Yeh-Hong Tan, MBBS, FRCS; Jane Tran, MBBS, FRACP; Sidney K. H. Yip, MBBS, FRCS; Christopher W. S. Cheng, MBBS, FRCS

Arch Surg. 2007;142(11):1103.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

INTRODUCTION

A 56-year-old woman was referred with a history of poorly controlled hypertension of 5 years associated with hypokalemia, with potassium levels ranging from 2.1 to 3.0 mEq/L (the conversion from milliequivalents per liter to millimoles per liter is 1:1). Despite treatment with 2 mg of prazosin hydrochloride twice daily and 100 mg of atenolol every morning, her blood pressure remained elevated at 150/100 mm Hg. Her potassium levels could only be maintained at 3.5 mEq/L with 1200 mg of potassium replacement per day. Biochemical testing demonstrated a suppressed plasma renin activity of 150 pg/mL per hour (reference range, 660-3080 pg/mL per hour; to convert picograms per milliliter to picomoles per liter, multiply by 0.0237) and an elevated plasma aldosterone concentration of 33.2 . . . [Full Text of this Article]

What Is the Diagnosis?

Author Affiliations: Departments of Surgery (Dr Goh), Urology (Drs Tan, Yip, and Cheng), and Endocrinology (Dr Tran), Singapore General Hospital, Singapore.

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Arch Surg. 2007;142(11):1104.
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