1.Juxtaglomerular cell tumor of the kidney: a case report.
Ki Ouk MIN ; Hi Jeong KWON ; Seok Joo AHN ; Sang Ah CHANG ; Yoon Sik CHANG ; Byung Kee BANG ; Jin KIM ; Moon Hyang PARK ; Eun Sun JUNG ; Young Jin CHOI ; Eun Joo SEO ; Byung Kee KIM
Journal of Korean Medical Science 2001;16(2):233-236
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.
Human
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Hypertension, Renal/*etiology/pathology
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Juxtaglomerular Apparatus/*pathology
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Kidney Neoplasms/*complications/*pathology/secretion
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Male
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Middle Age
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Renin/blood/secretion
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