Fig. 4From: Insufficiency fracture of the supra-acetabulum that required differentiation from a pathological fracture secondary to a malignant bone tumor: a case reporta Computed tomography, coronal plane. Black line indicates the level of the axial plane b. b CT-guided needle biopsy was done at the right supra-acetabulum. c The histological result (hematoxylin and eosin stain) showed no tumor cells, but there was formation of osteoids and infiltration of inflammatory cells, indicating the healing process after a fractureBack to article page