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- Title
Extramedullary Foramen Magnum Tumors: Decision Making and Surgical Outcome.
- Authors
Borkar, Sachin; Kale, Shashank; Samala, Raghu
- Abstract
Introduction: Treatment of foramen magnum tumors is surgically challenging in view of their location and their critical relationship with vital neurovascular structures. Ideal approach to these tumors is a controversy in this modern era. We present our surgical experience of treating these tumors at AIIMS, New Delhi. Materials and Methods: This retrospective study includes 50 consecutive patients (mean age 37.5 years, M: F = 1.7:1) of extramedullary tumors at the surgical foramen magnum, operated at AIIMS, New Delhi, from 2012 to 2016. Results: Their mean duration of symptoms was 28.3 months. A major portion of the patients presented with motor symptoms (quadri/paraparesis, n = 36, 72%) followed by sensory symptoms like tingling/numbness (n = 17, 34%) and neck pain with/without suboccipital radiation (n = 13, 26%). Nerve sheath tumors (n = 24, 48%) and meningiomas (n = 15, 30%) were the most commonly encountered histologies in our series. Chordoma (2,4%), chondrosarcoma(1, 2%) and osteochondroma (1, 2%) were least common histopathologies observed in our study. Nineteen patients improved immediately after surgery and 8 patients worsened. Operative mortality and morbidity were 2 and 20%, respectively. Mean follow-up duration is of 48 months. Conclusion: Most of the foramen magnum tumors are amenable to surgical excision and most of the tumors can be excised by posterior approach alone except tumors which are anteriorly located which are better approached by far lateral approach.
- Publication
Global Spine Journal, 2018, Vol 8, p152S
- ISSN
2192-5682
- Publication type
Article
- DOI
10.1177/2192568218771030