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  • Title: Transforaminal Resection of Cervical Dumbbell Schwannomas in Patients with Additional Tumors.
    Author: Zhang J, Zhang XH, Wang ZF, Li YP, Zhu ZQ, Sun JC, Chen ZH, Wu SY, Sai K, Wang J, Mou YG, Chen ZP.
    Journal: World Neurosurg; 2017 Feb; 98():768-773. PubMed ID: 27867120.
    Abstract:
    BACKGROUND: It is rare for 2 primary tumors to occur simultaneously in a patient. Management of cervical dumbbell schwannomas (CDSs) with concurrent tumors (CTs) requires a specific neurosurgical strategy. The primary objective of this study is to investigate surgical strategies for CDSs with CTs while preserving as much of the mechanically relevant bone structures as possible. METHODS: Twelve patients with concurrent CTs and CDSs were identified from 3 medical centers. Surgical strategies for CDSs were based on accurate preoperative images and subsequent treatment considerations for CTs. All patients received surgical treatment for CDSs and CTs. Clinical features, surgical considerations for a transforaminal approach (TA), and ultimate outcome were studied retrospectively. RESULTS: Gross total resection of CDSs was achieved with endoscopic and microscopic assistance in 9 cases, and subtotal resection was achieved in 3 cases after the head and neck surgeons exposed and removed the extraforaminal anatomy. One patient required an additional hemilaminectomy for the resection of the intraspinal segment. After wound healing, patients were transferred to the appropriate surgical department for surgery on CTs with cervical spine stabilization after a transforaminal approach. CONCLUSIONS: In most patients, the stability of the cervical spine can be preserved with low invasive microsurgical or endoscopic transforaminal resection. CTs could be surgically treated sequentially after microscopic- and endoscopic-assisted resection of CDSs.
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