Torsten Pietsch

Prof. Torsten Pietsch is a Professor at the University of Bonn's Department of Neuropathology, affiliated with the Universitätsklinikum Bonn. His research focuses on the neuropathology, genetics, and molecular biology of pediatric brain and liver tumors, particularly medulloblastoma, ependymoma, and hepatoblastoma. He is a leading expert in CNS tumor classification, contributing to WHO tumor classification editions since 2000 and the cIMPACTnow consortium. His work emphasizes developmental pathways in cancer, including SHH/WNT signaling in medulloblastoma and NF-κB activation in ependymomas. He has authored key studies on biomarker validation, tumor classification guidelines, and diagnostic methodologies.

Prof. Pietsch's research integrates molecular, genetic, and immunobiological approaches to identify diagnostic/prognostic markers. Notable contributions include defining new tumor entities and advocating for standardized tissue preservation. His studies on CDKN2A deletions, immune infiltration in germinomas, and genetic alterations in WNT medulloblastoma highlight translational applications.

Collaborations span international trials (e.g., HIT ependymoma cohorts, SIOP-Europe), emphasizing clinical impact. His work bridges basic science and clinical practice, influencing treatment protocols and diagnostic standards globally. Ongoing studies explore radiotherapy optimization, drug combinations (e.g., tonabersat/temozolomide), and novel therapeutic strategies for glioblastoma and medulloblastoma.