Abstract: Tumor-associated hydrocephalus is one of the serious complications in patients with intracranial tumors,commonly seen in posterior cranial fossa tumors.Its pathogenesis is complex,clinical manifestations are diverse,and treatment strategies and prognosis vary greatly,which directly affects the treatment outcome and quality of life of patients.This article reviews the research progress of tumor-associated hydrocephalus from aspects such as pathogenesis,tumor types,treatment strategies,risk factors for hydrocephalus after tumor resection,and predictive models,aiming to provide ideas for  clinical research.

Key words: tumor-associated hydrocephalus, pathogenesis;risk factors