A case of a juxtaglomerular cell tumor (JCT) in a 46-year-old man is reported. The tumor, 2.4 cm at its greatest dimension, was incidentally detected by ultrasonography. Although histological, immunohistochemical, and electron microscopic examinations revealed typical features of a JCT, the patient had no history of hypertension or hypokalemia. This is the first report of a non-functioning JCT in the literature.
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Endoh et al. (1997) studied this question.
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