Blood-saving dissection with monopolar tungsten needle electrodes and Teflon-coated spatula electrodes in tumor orthopedics.

"Declarations Ethics approval and consent to participateEthical approval was obtained from our local ethics committee (Ethik-Kommission der Ärztekammer Westfalen-Lippe und der Westfälischen Wilhelms-Universität Münster, approval number: 2021-527-f-S). Consent to participate was not deemed necessary as the data were analyzed retrospectively. Consent for publicationConsent for publication was not deemed necessary as the manuscript does not contain individual data. Competing interestsThe authors declare that they have no competing interests. Competing interests The authors declare that they have no competing interests."

"Funding Open Access funding enabled and organized by Projekt DEAL. No financial support was received for this study from third parties. Publication fees were covered by the Open Access Fund of the Medical Faculty of the University of Muenster, Muenster, Germany."

"Clinical trial registration . The study was registered at ClinicalTrials.gov. Identifier: NCT05164809."