Detailed Instructions: Given an abstract, indicate which of the provided candidate titles (Option1 and Option2) best describes it (respond with the text of the title, not option1/2).
Problem:Abstract: A patient with a mobile schwannoma of the cauda equina is described. There was considerable discrepancy between the localization of the tumor at myelography and the findings at both initial surgery and repeat myelography, confirmed by definitive surgery. Such mobility is rare, but should be kept in mind when surgery is performed for a tumor of the cauda equina.
Which is the apt title for the abstract? option1: Elusive tumor of the cauda equina. Case report. option2: Rarity of cesarean delivery in cases of juvenile-onset respiratory papillomatosis.
Solution:
Elusive tumor of the cauda equina. Case report.