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Atypical presentations of retroperitoneal giant schwannomas

Sait Ozbir, Mehmet Cengiz Girgin, Cengiz Kara, Cetin Dincel
  • Sait Ozbir
    Department of 1st Urology, Izmir Ataturk Training and Research Hospital, Izmir, Turkey | saitozbir@hotmail.com
  • Mehmet Cengiz Girgin
    Department of 1st Urology, Izmir Ataturk Training and Research Hospital, Izmir, Turkey
  • Cengiz Kara
    Department of 1st Urology, Izmir Ataturk Training and Research Hospital, Izmir, Turkey
  • Cetin Dincel
    Department of 1st Urology, Izmir Ataturk Training and Research Hospital, Izmir, Turkey

Abstract

Schwannomas are usually benign rare tumors that originating from Schwann cells of peripheral nerve sheaths. Presentation is generally varied and changed in a non-specific range from abdominal mass, flank pain to incidental findings. Herein we report 2 cases of retroperitoneal giant schwannomas with different clinical presentations, of whom one presented with vague abdominal pain, palpable abdominal mass for 4 years, swelling and bilateral hydronephrosis that caused by giant abdominal mass; the other one presented with right flank pain, rectal hemorrhage and lower extremities edema. Two patients were treated by complete surgical excision of masses. The histological and immunohistochemical diagnosis was reported as benign schwannoma. Both of patients are doing well and had no recurrence in 9 years and 28 months follow-up, respectively.

Keywords

schwannoma, retroperiton, diagnosis, treatment, giant.

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Submitted: 2011-04-13 13:54:56
Published: 2011-06-27 16:35:29
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Copyright (c) 2011 Sait Ozbir, Mehmet Cengiz Girgin, Cengiz Kara, Cetin Dincel

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