<prompt> Answer this question truthfullyWhat are the additional diagnostic tests for Medulloblastoma?  <response>: <reason> Bromodeoxyuridine labeling study may be helpful in the diagnosis of medullblastoma. An elevated bromodeoxyuridine labeling index is suggestive of a rapid growth rate of medulloblastoma. The bromodeoxyuridine labeling index of medulloblastoma is measured between:6.8 to 26.9 on dilute hydrochloric acid hydrolysis in vitro technique 7.5 to 28.8 on microwave heating in vitro technique 