Fig. 2From: The impact of intravertebral cleft on cement leakage in percutaneous vertebroplasty for osteoporotic vertebral compression fractures: a case-control studyTypes of leakage. a. Type B (through the basivertebral vein). b. Type S (through the segmental vein). c. Type C (through a cortical defect). d. Type D (intradiscal leakage). The venous type: a, b. The cortical type: c, dBack to article page