Renal oncocytoma

Renal oncocytoma is a type of tumor that originates in the kidney. It is a benign neoplasm, meaning it does not spread to other parts of the body. Renal oncocytomas are often discovered incidentally during imaging tests for other conditions.

Symptoms

Renal oncocytomas are usually asymptomatic, meaning they do not cause any symptoms. However, in some cases, they may cause hematuria (blood in the urine), abdominal pain, or a palpable abdominal mass.

Diagnosis

The diagnosis of renal oncocytoma is often challenging because it can look similar to other types of kidney tumors on imaging tests. The definitive diagnosis is usually made after a biopsy or surgical removal of the tumor, when a pathologist can examine the cells under a microscope.

Treatment

The treatment for renal oncocytoma is usually surgical removal of the tumor. This can often be done with a nephron-sparing surgery, which preserves as much of the healthy kidney tissue as possible. In some cases, the entire kidney may need to be removed (nephrectomy).

Prognosis

The prognosis for renal oncocytoma is generally excellent, as these tumors are benign and do not spread to other parts of the body. However, regular follow-up with imaging tests is often recommended to monitor for any changes in the tumor.

See also

• Kidney cancer
• Renal cell carcinoma
• Oncocytoma

Renal oncocytoma Resources
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