Related Experiment Video
Updated: Jul 13, 2026
08:38
Three-dimensional Navigation-guided, Prone, Single-position, Lateral Lumbar Interbody Fusion Technique
Published on: July 15, 2021
3.4K
New options and techniques in reconstructing the sacrum.
Radek Kaiser1,2,3, Alessandro Gasbarrini4,5, Stefano Pasini4
1Department of Spinal Surgery, Oxford University Hospitals NHS Foundation Trust, Oxford, United Kingdom. rkaiser@hotmail.cz.
Summary
Sacral reconstruction after tumour removal uses advanced techniques like robotic surgery and 3D implants. These methods improve stability and patient function, enhancing quality of life.
Area of Science:
- Oncology
- Orthopedic Surgery
- Reconstructive Surgery
Background:
- Sacrectomy for benign and malignant tumours disrupts pelvic stability, causing pain and mobility issues.
- Restoring pelvic integrity after sacral tumour resection is critical for patient function.
Purpose of the Study:
- To explore innovative sacral reconstruction techniques for primary and secondary sacral tumours.
- To enhance functional recovery and quality of life following sacrectomy.
Main Methods:
- Review of minimally invasive robotic-assisted surgery for palliative care in metastatic disease.
- Application of 3D-printed custom implants for immediate structural support.
- Utilisation of vascularised long bone flaps and soft tissue reconstruction (local/free flaps) for pelvic restoration.
Main Results:
- Robotic surgery offers precision and reduced exposure, potentially improving recovery.
- 3D-printed implants provide patient-specific anatomical matching and support.
- Combined bony and soft tissue reconstruction facilitates stability and ambulation.
Conclusions:
- Advancements in sacral reconstruction empower individualized surgical approaches.
- Personalized techniques optimize post-operative outcomes and patient quality of life.
Related Concept Videos
01:40Bone Remodeling
Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.
01:31Osteoclasts in Bone Remodeling
Osteoclasts are cells responsible for bone resorption and remodeling. They originate from hematopoietic progenitor cells present in the bone marrow. Numerous progenitor cells fuse to form multinucleated cells, each with 10-20 nuclei. A single osteoclast has a diameter of 150 to 200 µM. These cells have ruffled borders that break down the underlying bone tissue and release minerals such as calcium into the blood in bone resorption. Osteoclasts cling to bones with their ruffled edges during bone...
01:27Fractures: Bone Repair
Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
Minor fractures with no bone displacement are treated by immobilizing the fractured bone using a cast or splint. However, in the case of fractures with displaced bones, the broken bones are repositioned before immobilization to ensure successful healing without deformation and loss of function. The realignment of fractured bone ends is performed through a process called reduction. If the procedure...
Minor fractures with no bone displacement are treated by immobilizing the fractured bone using a cast or splint. However, in the case of fractures with displaced bones, the broken bones are repositioned before immobilization to ensure successful healing without deformation and loss of function. The realignment of fractured bone ends is performed through a process called reduction. If the procedure...
01:31Bone Remodeling and Repair
Osteoclasts are cells responsible for bone resorption and remodeling. They originate from hematopoietic progenitor cells present in the bone marrow. Numerous progenitor cells fuse to form multinucleated cells, each with 10-20 nuclei. A single osteoclast has a diameter of 150 to 200 µM. These cells have ruffled borders that break down the underlying bone tissue and release minerals such as calcium into the blood in bone resorption. Osteoclasts cling to bones with their ruffled edges during bone...