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Active surveillance for bilateral renal oncocytomas already resected on one side: a case report
Mangano Mario S1, Cicerello Elisa1, Cova Gian D1
1Dipartimento di Chirurgia Specialistica, Unità Complessa di Urologia, Ospedale Ca'Foncello, Treviso, Italy.
Introduction:
To report our experience of active surveillance of new bilateral masses after left laparoscopic partial nephrectomy for oncocytoma.
Method:
A 67-year old man underwent left laparoscopic partial nephrectomy for a renal mass and histology confirmed oncocytoma. At follow-up magnetic resonance imaging (MRI) showed new renal bilateral masses: hence, sonogram-guided percutaneous core renal biopsies were performed confirming the presence of oncocytoma in both kidneys. A re-biopsy was required because of an increasing of the left mass while a histological was also consistent with oncocytoma.
Result:
At follow of 8 years the patient is well and shows a normal renal function.
Conclusion:
Oncocytomas show minimal growth rate or progression. MRI has an important role in the appropriate follow-up of renal oncocytomas. Patients with biopsy proven oncocytoma may be managed conservatively by active surveillance (AS).
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