Table 1. Reported primary leiomyosarcomas in cervical spine invading the spinal canal and vertebra.

Study	Site	Age (years)	Sex	Follow-up (months)	Presenting symptoms	Duration of symptom	Osteoclasia	Surgical strategy	Postoperative treatment
Marshman et al.	C3–C5	61	Female	Lost follow-up	Progressive spastic quadriparesis and acute urinary retention	NR	Bone erosion and infiltration within the posterior elements of C4	First operation: decompressive laminectomy from C3 to C5 and soft-tissue tumor subtotal excision Second operation: complete macroscopic tumor excision incorporating posterior stabilization with the use of C2 pedicle and C3–C6 lateral mass screws coupled to contour rods	None
Ochiai et al.	C7	69	Male	6 (dead)	Dysesthesia of both hands	2 months	C7 compression fracture	Biopsy of the tumor	None
Sucu et al.	C2	25	Female	12 (alive)	Neck and left upper extremity pain	6 months	Infiltrative lesion in the left C2 region	Left-sided partial spondylectomy plus expandable titanium prosthesis reconstruction and posterior craniocervical fixation	Radiotherapy
Current study	C3–C5	29	Male	6 (alive)	Neck pain radiating into the left shoulder	1 month	None	Anterior C4 corpectomy and reconstruction with a mesh cage filled with allogenic bone grafts	Radiotherapy

NR: not reported.