Histological assessment of new bone formation with biomimetic scaffold in posterolateral lumbar spine fusion

G Gioia, M Agnoletto, A Di Giancamillo, M Domenicucci, L Mangiavini, M D M Lombardo, L Brambilla, G M Peretti

Research output: Contribution to journalArticlepeer-review


Spinal fusion procedures often require the use of bone grafts (autograft or allograft) to help bone healing and to increase stability. However, the application of autografts is frequently limited by donor site morbidity. In recent years, different synthetic bone substitutes have been introduced in the clinical practice to overcome these limitations. The purpose of this paper is to report a case where a biomimetic, synthetic and osteoconductive bone graft substitute was successfully implanted in a patient during lumbar spine arthrodesis. The case of a 58-year-old female subjected to lumbar spine arthrodesis with bone augmentation is described. The bone graft substitute RegenOss® (Finceramica, Faenza, Italy) was implanted during spinal arthrodesis. The successful bone integration was evaluated by X-rays. After 11 months, the patient underwent a second surgery due to spine imbalance; the debris of the bone graft was therefore collected and analyzed by macroscopic evaluation and by histology. The bone substitute was successfully implanted during a spinal arthrodesis procedure. Histologic evaluation of the removed bone graft debris showed the complete resorption of the implant and the formation of new bone, which was well integrated with the host bone. This bone substitute may represent a safe and effective alternative to autologous bone grafts, avoiding adverse events related to donor-site morbidity.

Original languageEnglish
Pages (from-to)99-103. Congress of the Italian Orthopaedic Research Society
Number of pages5
JournalJournal of Biological Regulators and Homeostatic Agents
Issue number4 Suppl. 3
Publication statusPublished - Dec 3 2020


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