Retroperitoneal schwannomas of renal and pararenal origin: presentation of two case reports.
Retroperitoneal schwannomas are a rare entity. They originate from the Schwann cells of the nerve sheaths and may be of renal or pararenal origin. We report on two patients with retroperitoneal schwannomas, who received surgery under the suspicion of renal cell carcinoma.
Department of Urology, University Hospital , Cologne, Germany.
Jan
J
Herden
Institute of Pathology, University Hospital , Cologne, Germany.
Uta
U
Drebber
Department of Urology, University Hospital , Cologne, Germany.
Yasemin
Y
Ural
Department of Urology, University Hospital , Cologne, Germany.
Sandra
S
Zimmer
Department of Urology, University Hospital , Cologne, Germany.
Sebastian
S
Wille
Department of Urology, University Hospital , Cologne, Germany.
Udo H
UH
Engelmann
nerve sheath tumor; renal tumor; retroperitoneal tumor; schwannoma