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    Spinal cord compression of primary extragonadal giant yolk sac tumor
    (Nature Publishing Group, 2007) Guzel, A.; Tatli, M.; Belen, D.; Seckin, H.
    Study design: Case report. Objective: To report an adult male patient witha primary extragonadal giant yolk sac tumor presenting with acute spinal cord compression. Setting: Faculty of Medicine, University of Dicle, Diyarbakir, Turkey. Method: A 31-year-old man was referred to our department witha diagnosis of Pott's disease, a complaint of back pain and gait difficulty for 2 weeks. Neurological examination showed spastic paraparesis and hypoesthesia below the L2 dermatome level. He also had urinary incontinence. Abdominal computed tomography and lumbar magnetic resonance imaging study revealed a giant cystic mass lesion located in the psoas muscle. Posteriorly, the third lumbar vertebral body was destructed and the tumor was compressing the dural sac. A combined anterior and posterior approach was performed. Pathological diagnosis was a yolk sac tumor. Result: His neurological status improved during the postoperative course. A chemotherapy protocol was given including bleomycin, etoposide and cisplatin. Five months after the last chemotherapy, he was brought to the emergency unit in sepsis and died despite antibiotherapy. Conclusion: Yolk sac tumor should be considered in young adult male patients presenting with acute paraparesis even without any signs or medical history of a testis tumor. These tumors may be unresectable; however, decompression of neural structures and stabilization of the spine with instrumentation may cause substantial improvement in neurological deficit and pain relief.