MIB Index as Predictor of Recurrence in Sporadic Vestibular Schwannomas

World Neurosurgery
Manas PanigrahiShailaja Madigubba

Abstract

Nearly 9.2% of vestibular schwannomas (VS) recur. We evaluate the association of cell proliferative markers like MIB with recurrence in VS. Retrospective data of 144 consecutive patients who underwent surgical excision for sporadic VS between January 2010 and July 2015 were collected. Comparison between groups based on recurrence of VS was done. The average age of the study population was 43.95 ± 12.86 years with 77 (53.5%) men. The average maximal diameter of VS was 40.25 ± 7.23 mm. Gross total resection was done in 52 (36.1%) patients. While near total resection was performed in 81 (56.3%) patients, the remaining 11 (7.6%) patients underwent a subtotal resection. The mean follow-up period was 37.99 ± 10.09 months (24-60). Recurrence of VS was observed in 18 (12.5%) patients. There was no difference between the groups for diameter of the tumor (42.22 ± 8.04 vs. 39.64 ± 7.00 mm; P = 0.191). The average MIB index value was higher in patients with recurrence of tumor at follow-up (4.78 ± 5.77 vs. 1.89 ± 1.48 mm; P < 0.001). There was no difference between the groups for extent of resection or postoperative complications. MIB was the only significant predictor for recurrence (β = 1.355 (1.07-1.78; confidence interval 95%); P = 0.0...Continue Reading

Citations

Mar 11, 2020·Acta neurochirurgica·Johannes WachErdem Güresir
Oct 6, 2020·Veterinary Pathology·Lisa G LaniganBrad Bolon
Jan 5, 2021·Frontiers in Oncology·Łukasz PrzepiórkaAndrzej Marchel

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