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  1. Radiopaedia
    https://radiopaedia.org › articles › renal-oncocytoma

    Renal oncocytoma | Radiology Reference Article - Radiopaedia.org

    • Renal oncocytomas account for approximately 5% of resected primary adult epithelial renal neoplasms. They typically present in the 6th to 7th decades with a peak incidence at 55 years of age. There is 2:1 male p… 展开

    Clinical Presentation

    Up to three-quarters of patients with a renal oncocytoma are asymptomatic. In cases … 展开

    Radiopaedia
    Pathology

    Macroscopically oncocytomas are well- circumscribed, unencapsulated tan in color, similar to the renal cortex, or darker brown (mahogany brown) 13. A rim of compressed nor… 展开

    Radiopaedia
    Radiographic Features

    Unfortunately, the imaging appearance of oncocytomas is difficult to distinguish from renal cell carcinoma, and as such, they are usually resected 5. They appear as sharply demarcated lesi… 展开

    Radiopaedia
    Treatment and Prognosis

    Although renal oncocytomas are benign lesions and metastases are extremely uncommon 2,12, as they cannot be confidently preoperatively distinguished from renal cell c… 展开

    Radiopaedia
    Solid Renal Masses - The Radiology Assistant
    The Radiology Assistant
    Does contrast-enhanced ultrasound show renal oncocytoma?
    Renal oncocytomas usually appear as highly enhanced on contrast-enhanced ultrasound images, and irregular nonenhanced areas in larger tumors. This review will help sonographers recognize renal oncocytomas. Keywords: Contrast-enhanced ultrasound; Doppler flow imaging; Renal oncocytoma; Two-dimensional grayscale ultrasound; Ultrasound-guided biopsy.
    pubmed.ncbi.nlm.nih.gov
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