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Journal of Korean Neurosurgical Society 1993;22(11): 1220-1227. |
| Surgical Approaches for Tumors Around Foramen Magnum and Craniocervical Junction. |
| Ung Kyu Chang, Sang Hyung Lee, Young Seob Chung, Dong Gyu Kim, Hee Won Jung, Hyun Jib Kim, Kil Soo Choi, Dae Hee Han |
| Department of Neurosurgery, Seoul National University College of Medicine, Seoul, Korea. |
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| ABSTRACT |
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The authors treated 26 cases of extramedullary tumors around foramen magnum and craniocervical junction by various surgical approaches between 1982 and February 1993. They are 12 meningiomas, 9 neurinomas, 3 chordomas, 1 teratoma and 1 capillary lymphangioma. Among them, 7 cases are located at anterior portion of foramen magnum, 6 cases at anterolateral portion, 2 cases at lateral portion, 7 cases at posterolateral portion, and 4 cases are posteriorly located.
These tumors were attacked via various surgical approaches.
19 cases were treated by conventional suboccipital approach, 5 cases by far lateral suboccipital approach and 2 cases of chordoma by transoral approach which was combined with far lateral suboccipital approach. So, 19 cases of tumors were removed completely, but 7 cases were subtotally removed.
There was 1 case of operative mortality and in 2 cases of meningioma there was permanent lower cranial nerve palsy.
Pyogenic meningitis due to CSF leakage developed in 2 cases of chordoma which were treated by transoral approach. |
| Key Words:
Foramen magnum tumor; Surgical approach; Suboccipital approach; Far lateral suboccipital approach |
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