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  • Title: [Lateral cervical approach for resection of cervical dumbbell-shape neurogenic tumors].
    Author: Qian HP, Wan JH, Li XJ, Liu SY.
    Journal: Zhonghua Wai Ke Za Zhi; 2012 Dec; 50(12):1091-5. PubMed ID: 23336486.
    Abstract:
    OBJECTIVE: To study the indication and character of the lateral-cervical approach for treating dumble-shape neurogenic tumors in cervical spine. METHODS: Retrospectively review the clinical data of 14 dumble-shape neurogenic tumors in cervical spine, from October 2005 to October 2011. Among them 8 were males and 6 were females, range from 11 to 60 years old. The maximum tumor diameter range from 3.0 to 8.0 cm, with an average of 4.8 cm; the intraspinal tumor diameter range from 1.3 to 3.8 cm, with an average of 2.1 cm. According to Asazuma classification, 9 cases were type IIc, 2 cases were type IIIb, 2 cases were type IV, 1 case was type VI. Involving the neck segment C(1)-C(2) in 1 case, C(2)-C(3) in 1 case, C(3)-C(4) in 2 cases, C(4)-C(5) in 2 cases, C(5)-C(6) in 3 cases, C(6)-C(7) in 4 cases and C(2)-C(4) in 1 case. All cases performed surgery with general anethesia. The head and neck surgeon performed surgery with lateral cervical approach, in the space between the anterior and the medius scalenus, exposed the transverse process and the intervertebral foramen as the anatomy marker, resected the extraspinal tumor part. The neurosurgery expanded the intervertebral foramen, and resected the intraspinal tumor with microscope, and repaired the dura. Then head and neck surgeon closed the wounds. RESULTS: Pathology proved 3 neurolimmoas and 11 Schwannomas, 12 cases received gross total resection, 2 cases received subtotal resection, the average blood loss during operation was 292 ml, the average operation time was 129 minutes, the average stay in hospital days was 7.1 days. The vertebral artery were exposed in 2 cases, and no vertebral artery injury occurred, there were 3 cases dissect the cervical nerve roots. No cerebrospinal fluid leakage, hematoma, newly branchial plexus injury, sympathic nerve injury or tracheal edema occurred. In 3 to 24 months, with an average of 13.5 months follow-up period, 2 cases with subtotal resection had no tumor progression, and 12 cases with gross total resection had no tumor recurrence. CONCLUSIONS: Lateral-cervical approach is minimal invasive, easily to perform and recovery fine. It can be adopt for Asazuma type IIc, IIIb and IV tumors which not grow over the midline in spine and expand to deep layer of the deep cervical fascia out spine.
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