Renal mass biopsy may be helpful in the diagnosis of renal<unk> . However, distinguishing between<unk>  and RCC by biopsy is difficult. Since this method only reserved for patients who are at high risk for an operation like very elderly or extremely sick patients.  Some complications may happen during renal mass biopsy which are perirenal hemorrhage, pneumothorax ( during biopsy of upper pole tumors) and tumor seeding.
Renal oncocytoma other diagnostic studies
Renal cell carcinoma other imaging findings
Renal oncocytoma other imaging findings
Horseshoe kidney other imaging findings
Polycystic kidney disease other diagnostic studies
Renal papillary necrosis other diagnostic studies
Renal cell carcinoma echocardiography or ultrasound
Renal cell carcinoma differential diagnosis