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. 2014 Jan;3(1):66-7.
doi: 10.4103/2303-9027.127129.

A rare case of incidental retroperitoneal seminoma diagnosed by endoscopic ultrasound-guided fine-needle aspiration

Affiliations

A rare case of incidental retroperitoneal seminoma diagnosed by endoscopic ultrasound-guided fine-needle aspiration

Nirav Thosani et al. Endosc Ultrasound. 2014 Jan.
No abstract available

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Conflict of interest statement

Conflict of Interest: None declared.

Figures

Figure 1
Figure 1
(a) Contrast enhanced computed tomography image showing well-circumscribed retroperitoneal mass; (b and c) radial and linear echoendoscopic image showing hypoechoic, heterogenous mass, abutting the wall of the second duodenum
Figure 2
Figure 2
(a) Diff-quick stain showing large tumor cells with prominent nucleoid and some binucleated forms; (b) positive immunohistochemistry CD117 staining; (c) positive OCT-3/4 expression in the tumor cell nuclei suggesting a metastatic germ cell tumor

References

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    1. Erickson RA, Tretjak Z. Clinical utility of endoscopic ultrasound and endscopic ultrasound-guided fine needle aspiration in retroperitoneal neoplasms. Am J Gastroenterol. 2000;95:1188–94. - PubMed
    1. Womeldorph CM, Zalupski MM, Knoepp SM, et al. Retroperitoneal germ cell tumor diagnosed by endoscopic ultrasound-guided fine needle aspiration. World J Gastrointest Oncol. 2010;2:443–5. - PMC - PubMed

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