Total en bloc sacrectomy through a posterior-only approach with the “Modified Cathedral” technique: technical note

Ressecção total em bloco do sacro por via exclusivamente posterior com técnica “Catedral Modificada”: nota técnica

Resección total en bloque del sacro por abordaje únicamente posterior con técnica de “Catedral Modificada”: nota técnica

Objective: To describe the technique of total en bloc sacrectomy through a posterior-only approach, discussing indications, technical aspects, complications, and oncological outcomes available in the literature. Methods: Technical report based on detailed surgical description and narrative literature review. Expected results: The posterior-only approach may reduce operative time, intraoperative blood loss, and morbidity compared to the combined approach. Conclusion: Total en bloc sacrectomy via a posterior-only approach with the modified Cathedral reconstruction is a feasible and safe alternative in selected cases of primary malignant sacral tumors. Level of Evidence V; Technical Note.

Keywords:
Sacrum; Surgical Oncology; Spinal Neoplasms; Hemangioendothelioma; Bone Neoplasms