Benign mature teratoma of the conus medullaris in a 57-year-old-female: case report and literature review

Abstract Background The diagnosis of a mature teratoma in the conus medullaris is extremely rare, and few cases are reported in the literature. Case presentation We present a case of a 57-year-old woman who was referred from the neurology department for sudden weakness of the lower limbs. The patien...

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Main Authors: Daniel Yamba Yamba, Dramane Cissé, Oualid Mohammed Hmamouche, Faycal Lakhdar, Mohammed Benzagmout, Khalid Chakour, Mohammed El Faiz Chaoui
Format: Article
Language:English
Published: SpringerOpen 2025-02-01
Series:Egyptian Journal of Neurosurgery
Online Access:https://doi.org/10.1186/s41984-025-00366-0
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author Daniel Yamba Yamba
Dramane Cissé
Oualid Mohammed Hmamouche
Faycal Lakhdar
Mohammed Benzagmout
Khalid Chakour
Mohammed El Faiz Chaoui
author_facet Daniel Yamba Yamba
Dramane Cissé
Oualid Mohammed Hmamouche
Faycal Lakhdar
Mohammed Benzagmout
Khalid Chakour
Mohammed El Faiz Chaoui
author_sort Daniel Yamba Yamba
collection DOAJ
description Abstract Background The diagnosis of a mature teratoma in the conus medullaris is extremely rare, and few cases are reported in the literature. Case presentation We present a case of a 57-year-old woman who was referred from the neurology department for sudden weakness of the lower limbs. The patient has a medical history of chronic low back pain. She has normal bowel and bladder function. The neurological examination found reduced lower limb power, where the right and left proximal power were 0/5 and 2/5, respectively. Spinal cord MRI was performed, showing a well-delineated intramedullary mass at the level of the conus medullaris. Emergent surgery was performed using a surgical microscope, and the patient underwent a total resection of the tumor after T12–L2 bilateral laminectomy. The histological results were consistent with a benign mature teratoma and no additional postoperative neurological deficits were reported by the patient. Conclusion Adult’s cases of mature teratoma of the conus medullaris are extremely rare. The tumor present various symptoms primarily caused by compression, and definitive diagnosis is made by histological examination. Surgical excision is the most effective treatment, and total resection should be the aim. However, the surgical excision should be made under neurophysiological monitoring to avoid some injury to the surrounding neural tissue. Furthermore, the paucity of literature on the Adjuvant therapy for spinal teratoma is a challenge for neurosurgery for aiming of total resection.
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spelling doaj-art-60f51c9d2bb8447192200aae8ce538692025-02-09T12:25:04ZengSpringerOpenEgyptian Journal of Neurosurgery2520-82252025-02-014011510.1186/s41984-025-00366-0Benign mature teratoma of the conus medullaris in a 57-year-old-female: case report and literature reviewDaniel Yamba Yamba0Dramane Cissé1Oualid Mohammed Hmamouche2Faycal Lakhdar3Mohammed Benzagmout4Khalid Chakour5Mohammed El Faiz Chaoui6Department of Neurosurgery, Hassan II University Hospital of FezDepartment of Neurosurgery, Hassan II University Hospital of FezDepartment of Neurosurgery, Hassan II University Hospital of FezDepartment of Neurosurgery, Hassan II University Hospital of FezDepartment of Neurosurgery, Hassan II University Hospital of FezDepartment of Neurosurgery, Hassan II University Hospital of FezDepartment of Neurosurgery, Hassan II University Hospital of FezAbstract Background The diagnosis of a mature teratoma in the conus medullaris is extremely rare, and few cases are reported in the literature. Case presentation We present a case of a 57-year-old woman who was referred from the neurology department for sudden weakness of the lower limbs. The patient has a medical history of chronic low back pain. She has normal bowel and bladder function. The neurological examination found reduced lower limb power, where the right and left proximal power were 0/5 and 2/5, respectively. Spinal cord MRI was performed, showing a well-delineated intramedullary mass at the level of the conus medullaris. Emergent surgery was performed using a surgical microscope, and the patient underwent a total resection of the tumor after T12–L2 bilateral laminectomy. The histological results were consistent with a benign mature teratoma and no additional postoperative neurological deficits were reported by the patient. Conclusion Adult’s cases of mature teratoma of the conus medullaris are extremely rare. The tumor present various symptoms primarily caused by compression, and definitive diagnosis is made by histological examination. Surgical excision is the most effective treatment, and total resection should be the aim. However, the surgical excision should be made under neurophysiological monitoring to avoid some injury to the surrounding neural tissue. Furthermore, the paucity of literature on the Adjuvant therapy for spinal teratoma is a challenge for neurosurgery for aiming of total resection.https://doi.org/10.1186/s41984-025-00366-0
spellingShingle Daniel Yamba Yamba
Dramane Cissé
Oualid Mohammed Hmamouche
Faycal Lakhdar
Mohammed Benzagmout
Khalid Chakour
Mohammed El Faiz Chaoui
Benign mature teratoma of the conus medullaris in a 57-year-old-female: case report and literature review
Egyptian Journal of Neurosurgery
title Benign mature teratoma of the conus medullaris in a 57-year-old-female: case report and literature review
title_full Benign mature teratoma of the conus medullaris in a 57-year-old-female: case report and literature review
title_fullStr Benign mature teratoma of the conus medullaris in a 57-year-old-female: case report and literature review
title_full_unstemmed Benign mature teratoma of the conus medullaris in a 57-year-old-female: case report and literature review
title_short Benign mature teratoma of the conus medullaris in a 57-year-old-female: case report and literature review
title_sort benign mature teratoma of the conus medullaris in a 57 year old female case report and literature review
url https://doi.org/10.1186/s41984-025-00366-0
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