Testicular yolk sac tumor (YST) is a nonseminomatous germ cell tumor that predominantly affects prepubescent boys. Pure endometrioid variant YST is rare, with only 1 report in the literature. We present the first reported case of en-dometrioid variant YST with mature teratoma in the retro-peritoneal specimen.

Keywords:
Nonseminomatous germ cell tumor, Endometrioid variant yolk sac tumor
1.
Stephenson AJ, Gilligan TD: Neoplasm of the testis; in: Wein AJ, Kavoussi LR, Novick AC, Partin AW, Peters CA (eds): Campbell-Walsh urology, ed 11. Elsevier Saunders, Philadelphia, 2015, pp784-814.
2.
McGlynn KA, Devesa SS, Graubard BI, Castle PE: Increasing incidence of testicular germ cell tumors among black men in the United States. J Clin Oncol 2005;23:5757-5761.
3.
White CP: A case of carcinoma myxomatodes of the testis occurring in infancy. J Pathol Bacteriol 1910;14:522-544.
4.
Young RH, Teilum D, Talerman A: History of gynecological pathology XXV. Dr. Gunnar Teilum. Int J Gynecol Pathol 2013;32:520- 527.
5.
Gilligan TD, Seidenfeld J, Basch EM, Einhorn LH, Fancher T, Smith DC, Stephenson AJ, Vaughn DJ, Cosby R, Hayes DF: American Society of Clinical Oncology Clinical Practice Guideline on uses of serumtumor markers in adult males with germ cell tumors. J Clin Oncol 2010;28:3388-3404.
6.
Woodward PJ, Mostofi FK, Talerman A, Heidenreich A, Hailemarian SKaplan GW: Germ cell tumors; in: Eble JN, Sauter G, Epstein JI, Sesterhenn IA (eds): Pathology and Genetics of Tumours of the Urinary System and Male Genital Organs. WHO Classification of Tumours. Lyon, France, International Agency for Research on Cancer (IARC) Press, 2004, pp221-249.
7.
Foster RS, Hermans B, Bihrle R, Donohue JP: Clinical stage I pure yolk sac tumor of the testis in adults has different clinical behavior than juvenile yolk sac tumor. J Urol 2000; 164:1943-1944.
8.
Clement PB, Young RH, Scully RE: Endometrioid-like variant of ovarian yolk sac tumor. A clinicopathological analysis of eight cases. Am J Surg Pathol 1987;11:767-778.
9.
Chander A, Otis CN, Cole LL: Pure glandular endometrioid-like yolk sac tumor of the testis. Int J Surg Pathol 2015;23:30-31.
10.
Hazarika P: Endometrioid like yolk sac tumor of the testis with small teratomatous foci: a case report and review of the literature. Indian J Pathol Microbiol 2015;58:557-559.
© 2017 S. Karger AG, Basel
2017
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