Brain Tumor Res Treat.  2020 Oct;8(2):e14. 10.14791/btrt.2020.8.e14.

Conus Medullaris Teratoma: Case Report and Literature Review

Affiliations
  • 1Department of Neurosurgery, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
  • 2Skull Base Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
  • 3Department of Orthopedic Surgery, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
  • 4Department of Radiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran

Abstract

Teratomas are benign germ cell tumors that usually found out of their anatomical origin. Teratomas usually are found in sacrococcygeal area, gonads, mediastinum, cervicofacial region and intracranial fossa. Spinal teratomas are rare. In this study we describe a case of conus medullaris teratoma which was diagnosed based on imaging studies. The patient underwent surgery. We did bilateral laminectomy. The mass lesion had an obvious and rigid attachment to the conus medullaris. The wall of the lesion was resected as much as possible, but total resection of the lesion’s wall could not be done due to changes in neural monitoring. Previous related studies are reviewed.

Keyword

Conus medullaris; Teratoma; Intramedullary spinal cord neoplasms
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