Hong Koo Ha; Suk Gun Jung; Sung Woo Park; Wan Lee; Sang Don Lee; Moon Kee Chung

doi:10.4111/kju.2009.50.5.516

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Ha, Jung, Park, Lee, Lee, and Chung: Retroperitoneal Seminoma with the ‘Burned out’ Phenomenon in the Testis

Case Report

Korean J Urol 2009;50(5):516-519.

Published online: 19 January 2009

DOI: https://doi.org/10.4111/kju.2009.50.5.516

Retroperitoneal Seminoma with the ‘Burned out’ Phenomenon in the Testis

Hong Koo Ha, Suk Gun Jung, Sung Woo Park, Wan Lee, Sang Don Lee, Moon Kee Chung

From the Department of Urology, College of Medicine, Pusan National University, Busan, Korea

Correspondence to: Sang Don Lee Pusan National University School of Medicine, 305 Gudeok-ro, Seo-Gu, Busan 602-739, Korea TEL: 051-240-7351 FAX: 051-247-5443 E-mail: lsd@pusan.ac.kr

Received 18 October 2008 Accepted 7 November 2008

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The rare ‘burned out’ phenomenon in germ cell tumors is known as the presence of an extragonadal germ cell tumor with a spontaneously regressed testicular tumor found in common metastatic sites, including the retroperitoneal, mediastinal, supraclavicular, cervical, and axillary lymph nodes; lung; and liver. We report a patient who presented with a retroperitoneal extragonadal germ cell tumor with a spontaneously regressed testicular tumor.

Keywords: Seminoma, Retroperitoneal neoplasms, Testicular neoplasms

REFERENCES

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Fig. 1

(A) Computed tomography (CT) of the retroperitoneum shows an enhanced mass (black arrow) with a lobulated margin and necrotic portion located between the pancreatic head and the inferior vena cava. (B) Proton emission tomography (PET) shows 2 hypermetabolic masses between the duodenum and the inferior vena cava (white arrow).

Fig. 2

Microscopic finding of a retroperitoneal mass shows seminoma cells with enlarged nucleoli in mitosis (black arrow) and many lymphocytes in the lobular septum (white arrow) (H&E, x400).

Fig. 3

(A) Ultrasonography of testis shows a segmental inhomogeneous lesion containing calcification in the atrophied right testis. (B) Magnetic resonance imaging (MRI) of testis shows a 33 mm ill-defined mass within the right testis that was not enhanced well and had heterogeneous low signal intensity on T2-weighted MRI.

Fig. 4

(A) Gross finding of the right testis shows a well-defined, light yellow, solid scar-like mass, measuring 3.9x2.8 cm. The mass has replaced most of the testis and was abutting the tunica albuginea. (B) Microscopic finding of the right testis shows a tubular hyalinization dominant pattern with intratubular germ cell neoplasia (H&E, x400).

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