Juxtaglomerular Cell Tumor
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![Kidney_JXG13.jpg](/slides-13/slides/Kidney_JXG13.jpg)
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Juxtaglomerular cell tumor is highly vascular and consists of small venules, muscular arterioles, and capillaries interposed between monomorphic tumor cells. Branching vessels with "stag-horn" configuration resembling those seen in hemangiopericytoma may also be present. The tumor arises from juxtaglomerular cells - a component of the juxtaglomerular apparatus which plays a role in regulating blood pressure via renin release.