Renal oncocytoma is a noncancerous (benign) growth in one or both of your kidneys. These lesions may not cause symptoms or need treatment. Healthcare providers often discover renal oncocytomas accidentally while performing diagnostic tests for another issue.

Aug 28, 2023 · Renal oncocytomas are common benign kidney neoplasms that account for 3 to 7 percent of renal neoplasms. They usually occur in adults, most frequently in the seventh decade of life. Renal oncocytomas may be discovered incidentally or may be …

Nov 19, 2024 · Renal oncocytomas are relatively benign renal tumors. This lesion's main clinical importance is the difficulty in distinguishing it from renal cell carcinoma in the preoperative setting. This is because epidemiology, presentation, imaging and even histology can be very similar.

A renal oncocytoma is a tumour of the kidney made up of oncocytes, epithelial cells with an excess amount of mitochondria. [1][2] Renal oncocytoma of the right kidney at CT. Renal oncocytomas are often asymptomatic and are frequently discovered by chance on a CT or ultrasound of the abdomen.

Mar 31, 2023 · Renal oncocytoma, also known as oncocytoma of the kidney, is a rare type of benign kidney tumor. It is composed of oncocytes, which are cells that have an abnormally large number of mitochondria, the organelles that produce energy for the cell.

Sep 21, 2020 · Kidney tumor - Oncocytoma: benign renal epithelial neoplasms characterized by large round eosinophilic cells packed with mitochondria

Renal oncocytoma (RO) is a benign renal neoplasm that is an increasing concern for urologists, oncologists, and nephrologists due to its difficult differential diagnosis from renal cell carcinoma (RCC) and frequent overtreatment.

Dec 16, 2019 · Renal oncocytoma is an uncommon tumor that exhibits numerous features which are characteristic but not necessarily unique. Percutaneous biopsy is a safe method of diagnosis. However, differentiation from other tumor subtypes often requires sophisticated analysis and is not universally feasible.

Renal oncocytoma is one of the most unusual benign lesion, which are usually diagnosed postoperatively, since their differentiation from renal cell carcinoma is challenging. The present study reports two cases of renal oncocytoma in a 60-year-old woman and a 46-year-old man.

Aug 28, 2023 · Renal oncocytomas are common benign kidney neoplasms that account for 3% to 7% of all renal neoplasms. They usually occur in adults, most frequently in the seventh decade of life. Renal oncocytomas may be discovered incidentally or …