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Open Access Case report

Testicular seminomatous mixed germ cell tumor with choriocarcinoma and teratoma with secondary somatic malignancy: a case report

Amandeep Aneja1*, Siddharth Bhattacharyya1, Jack Mydlo2 and Susan Inniss1

Author Affiliations

1 Department of Pathology and Laboratory Medicine, Temple University Hospital, 3401 North Broad Street, Philadelphia, PA 19140, USA

2 Department of Urology, Temple University Hospital, Philadelphia, PA 19140, USA

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Journal of Medical Case Reports 2014, 8:1  doi:10.1186/1752-1947-8-1

Published: 1 January 2014

Abstract

Introduction

Testicular tumors are a heterogeneous group of neoplasms exhibiting diverse histopathology and can be classified as seminomatous and non-seminomatous germ cell tumor types. Mixed germ cell tumors contain more than one germ cell component and various combinations have been reported. Here, we present a rare case of a mixed germ cell tumor composed of seminoma, choriocarcinoma and teratoma with a secondary somatic malignancy.

Case presentation

A 31-year-old Caucasian man presented with splenic rupture to our hospital. A right-sided testicular swelling had been present for 6 months and his alpha-fetoprotein, beta-human chorionic gonadotropin, and lactose dehydrogenase were increased. An ultrasound of his scrotum revealed an enlarged right testis with heterogeneous echogenicity. Multiple hypervascular lesions were noted in his liver and spleen. He underwent transcatheter embolization therapy of his splenic artery followed by splenectomy and right-sided orchiectomy. A computed tomography scan also showed metastasis to both lungs. During his last follow up after four cycles of cisplatin-based chemotherapy, the level of tumor markers had decreased, decreases in the size of his liver and pulmonary lesions were noted but new sclerotic lesions were evident in his thoracolumbar region raising concern for bony metastasis.

Conclusions

Prognosis of testicular tumor depends mainly on the clinical stage, but emergence of a sarcomatous component presents a challenge in the treatment of germ cell tumors and the histological subtype of this component can be used as a guide to specific chemotherapy in these patients.

Keywords:
Mixed germ cell tumors; Rhabdomyosarcoma; Sarcomatous component