Occipito-cervical fusion following gross total resection for the treatment of spinal extramedullary tumors in craniocervical junction: a retrospective case series

Table 1 Summary of clinical data for patients with spinal extramedullary tumors in occipito-cervical junction

Case	Age (years)	Sex	Tumor type	Leson level	Follow-up (months)	Frankel grade		JOA scores			Complications
Case	Age (years)	Sex	Tumor type	Leson level	Follow-up (months)	Preop.	FFU	Preop.	FFU	NRR	Complications
1	52	F	Schwannoma	Medulla-C1	42	C	E	7	16	90
2	72	M	Schwannoma	Medulla-C1	24	C	D	7	13	60
3	49	M	Meningioma	Medulla-C1	41	D	D	10	14	57
4	56	M	Schwannoma	Medulla-C1	32	D	D	9	14	63	CSF leaks
5	58	M	Schwannoma	Medulla-C1	38	C	D	6	12	55
6	49	F	Neurofibroma	Medulla-C1	36	E	E	17	17	–
7	64	F	Meningioma	Medulla-C2	29	C	D	6	13	64
8	41	M	Schwannoma	Medulla-C2	35	D	E	11	16	83	CSF leaks
9	37	M	Schwannoma	Medulla-C1	31	C	E	8	16	89

Neurologic recovery rate = (postoperative JOA score − preoperative JOA score)/(full score − preoperative JOA score) × 100
CSF cerebrospinal fluid, FFU final follow-up, NRR neurologic recovery rate, postop. postoperative, preop. preoperative

ISSN: 1477-7819