Physiopathology of Foetal Onset Hydrocephalus -- Iron and Hydrocephalus -- Cerebrospinal Fluid Biomarkers of Hydrocephalus -- Intracranial Pulsatility, Cerebrospinal Fluid Flow and Glymphatic Function in Idiopathic Normal Pressure Hydrocephalus -- Congenital Hydrocephalus -- Genetics of Hydrocephalus: Causal and Contributory Factors -- Anatomy and Physiology Based Magnetic Resonance Imaging in Hydrocephalus -- Post-Hemorrhagic Hydrocephalus -- Multiloculated Hydrocephalus: Diagnosis, Treatment, and Clinical Implications -- Hydrocephalus Secondary to Spina Bifida -- Hydrocephalus and Brain Tumors -- Idiopathic Normal Pressure Hydrocephalus -- Hydrocephalus following Aneurysmal Subarachnoid Hemorrhage -- Post-Traumatic Hydrocephalus -- Management of Intracranial Hypotension and Cerebrospinal Fluid Leaks -- Cerebrospinal Fluid Shunting -- Shunts and Shunt Malfunction -- Endoscopic Third Ventriculostomy with Choroid Plexus Cauterization (ETV-CPC) versus CSF Shunting -- Randomized Clinical Trials in Pediatric Hydrocephalus -- Global Perspectives on the Treatment of Hydrocephalus -- Technical Advances in the Treatment Hydrocephalus: Current and Future State.