Fig. 5From: Treatment of thoracic or lumbar burst fractures with Balloon Assisted Endplate Reduction using Tricalcium Phosphate cement: histological and radiological evaluationFocal giant cell reaction (arrow), the multinucleated giant cells form aggregates and engulf some foreign body material (f), presenting as empty space in the histology. Osteoblastic rimming (o) of a bone lamella (b) is seen next to itBack to article page