Tessadori-Bicknell-Van Haaften Neurodevelopmental Syndrome 4, also known as tebivaned4, is related to non-specific syndromic intellectual disability and juvenile pilocytic astrocytoma. An important gene associated with Tessadori-Bicknell-Van Haaften Neurodevelopmental Syndrome 4 is H4C9 (H4 Clustered Histone 9), and among its related pathways/superpathways are Gene expression (Transcription) and Infectious disease. Affiliated tissues include kidney and skin, and related phenotypes are global developmental delay and cryptorchidism