This can vary relying on the cell type and tumor location. The most serious kind of mind tumor, glioblastoma,is becoming more common among older folks as the inhabitants ages. There have also been some reports of youngsters in the same household growing mind tumors who don’t have any of these genetic syndromes. Brain tumors that occur in infants and kids are very totally different from adult mind tumors, both in terms of the sort of cells and the responsiveness to remedy. Lab exams cannot diagnose a mind tumor, however they might recommend that cancer is concerned primarily based on substances found in the blood or cerebrospinal fluid .