NF2 and neoplasm: Overall outcomes for CI in patients with VS show favorable results with observed or irradiated tumors, sporadic and NF2-related, but outcomes after tumor resection are more variable with a greater chance of no benefit.450, 457 Despite poorer outcomes in patients with VS than seen in the general CI population, a CI should always be considered in a stable or resected tumor with cochlear nerve preservation because it will almost always outperform an ABI.471, 472