PD Dr. Ralf Buhl has performed over 4,000 neurosurgical procedures across 27 years and serves as chief doctor at this Academic Hospital of the University of Cologne. Diagnostics start from $112 for blood analysis. Treatment options include Gamma Knife radiosurgery around $17,000 for a single session, with microsurgical tumor removal costing $15,000–$27,129 typically including the surgery, up to a 7-day hospital stay, and full histology.