Definition: Given an abstract of a paper, generate a title for this paper such that conveys the key focus of the paper.
Input: Abstract: A very rare case of eosinophilic granulocytosis of the cerebrospinal fluid (CSF eosinophilia) due to drug allergy caused by the intraventricular administration of gentamicin sulfate is presented with a review of the pertinent literature. An unusual clinical course and clinicoimmunological examination are also described.

Eosinophilia of the cerebrospinal fluid in a case of shunt infection: case report.