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  • Spinal Cord Grade II and Grade III Meningiomas –- Report of Fifteen Cases and Literature Review

    Final Number:

    Liang Zhang MD; Wenqing Jia MD, PhD

    Study Design:
    Clinical Trial

    Subject Category:

    Meeting: Congress of Neurological Surgeons 2017 Annual Meeting - Late Breaking Science

    Introduction: WHO grade II and III meningiomas of the spinal cord is an extremely rare variant, which shows a higher rate of recurrence. Only few case reports of the clinical behavior and outcome after surgical intervention is presented due to its rarity. This study is to document the clinical features and prognosis of this special group of patients in an institution.

    Methods: During the 8 years study period in Beijing Tiantan Hospital from 2008-2015, fifteen consecutive patients with high-grade meningiomas were identified and thus enrolled in this study. The patients’ data were evaluated on demographics characteristics, treatment methods, pathology and follow-up data. The prognoses were attained by clinic followed-up and by telephone postoperatively regularly, and recurrence and neurological status were documented.

    Results: Fifteen patients were identified for this retrospective study, with 12(80%) female patients and a median(range) age of 39(19-56) years. Tumor distributions were: lumber(n=4, 26.7%),cervical,cervico-thoracic junction,and thoraco-lumbar junction(n=3,20.0% respectively), and thoracic(n=2,13.3%). The median (range) number of affected spinal levels was 2(1-5). Two patients(13.3%) received Sympson I resection, 11(73.4%) received Sympson II resection, and two (13.3%) received III resection. Pathological examination shows anaplastic in 2, and papillary in 1 patient, clear cell type in 3, chordoid type in 1, and atypical type in 8 patients. During a mean follow-up of 64 months(range:26-121 months), mortality was found in 1 patient (6.7%) one month after surgery, and recurrence occurred in 1 patient(6.7%) 2.5 years after the first surgery and received a second surgery immediately. Excellent outcome was achieved in ten cases, three remained stable, and one deteriorated finally.

    Conclusions: High-grade spinal cord meningioma is a rare variant of meingioma with a female predominance. Aggressive total resection is the initial treatment goal and should be recommended. Close observation is warranted for patients who have a subtotal resection or who have WHO grade III tumors for they have a high tendency of recurrence(6.7% in our series). For recurrent patients, they can still benefit from the second surgery. However, larger case series and longer follow-up periods is warranted for definitive conclusion.

    Patient Care: Regularly interview patients clinically and by telephone postoperatively, and guide their therapy and predict their prognosis.

    Learning Objectives: By the conclusion of this session, participants should be able to: 1) Describe the importance of this rare disease, 2) Discuss, in small groups, the clinical outcomes of patients with Who grade II and III meningiomas of the spinal cord treated in our institution, 3) Identify an effectiveness of total or gross-total resection,prognosis and recurrence


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