Benign Kidney Tumors
Benign kidney tumors are non-cancerous growths of the kidney that do not spread to other organs but may sometimes mimic malignant tumors clinically and radiologically. Common benign kidney tumors include oncocytoma, angiomyolipoma, and metanephric adenoma. While many are asymptomatic and discovered incidentally on imaging, some may cause symptoms like flank pain, hematuria, or abdominal mass if they grow large. Unlike renal cell carcinoma, these tumors generally have an excellent prognosis, though careful evaluation is necessary to distinguish them from malignant counterparts. Management often involves monitoring (active surveillance), with surgery considered in symptomatic or large tumors.
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