J Korean Med Sci.  2001 Apr;16(2):233-236. 10.3346/jkms.2001.16.2.233.

Juxtaglomerular cell tumor of the kidney: a case report

Affiliations
  • 1Departments of Clinical Pathology, College of Medicine, the Catholic University of Korea, Seoul, Korea. ejseo@sph.cuk.ac.kr

Abstract

We report a case of renin-secreting juxtaglomerular cell tumor which developed in a hypertensive 47-yr-old Korean man. Presumptive clinical diagnosis was made before surgery based on the high level of plasma renin and the radiologic evidence of renal mass. Grossly, a round, bulging, well-encapsulated mass of 3x3 cm was located in the mid-portion of the right kidney. On microscopic examination, the tumor was composed of ovoid to polyhedral cells with bland nuclei, indistinct nucleoli and light eosinophilic cytoplasm. The immunostaining for renin showed strong positivity in the cytoplasm of tumor cells. The characteristic rhomboid shaped renin protogranules were observed in ultrastructural analysis.

Keyword

Juxtaglomerular Apparatus; Renin; Hypertension

MeSH Terms

Human
Hypertension, Renal/*etiology/pathology
Juxtaglomerular Apparatus/*pathology
Kidney Neoplasms/*complications/*pathology/secretion
Male
Middle Age
Renin/blood/secretion
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