PRIMARY EXTRAGONADAL RETROPERITONEAL PURE YOLK SAC TUMOR

Ömer Bayrak; Ömer Faruk Karataş; Reyhan Bayrak; Ersin Çimentepe; Doğan Ünal; Nuri Deniz

doi:10.29333/ejgm/82614

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Ömer Bayrak ¹ ^* , Ömer Faruk Karataş ¹, Reyhan Bayrak ², Ersin Çimentepe ¹, Doğan Ünal ¹, Nuri Deniz ³

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¹ Fatih University, School of Medicine, Department of Urology, Ankara, Turkey² Fatih University, School of Medicine, Department of Pathology, Ankara, Turkey³ Gazi University, School of Medicine, Department of Urology, Ankara, Turkey^* Corresponding Author

Abstract

We describe a rare case of an extragonadal retroperitoneal pure yolk sac (endodermal sinus) tumor in the paraaortic region. Radiologic investigation, which included abdominal ultrasound ,computed tomography (CT), and magnetic resonance imaging (MRI) showed a large soft tissue mass occupying the inter paraaortic, renal, pancreatic and splenic region. Radionuclide bone scans demonstrated no bone metastases. The serum alpha fetoprotein (α-FP) level was high; however β-HCG was normal. Pathologic examination of the surgical specimen showed extragonadal yolk sac tumor. After postoperative chemotherapy, follow-up CT revealed decreased residual tumoral tissues and α-FP level returned to normal.

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Article Type: Original Article

EUR J GEN MED, 2008, Volume 5, Issue 4, 239-241

https://doi.org/10.29333/ejgm/82614

Publication date: 15 Oct 2008

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Electronic Journal of General Medicine

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