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Usefulness of Cone-Beam CT Before and After Percutaneous Vertebroplasty

Akio Hiwatashi1, Takashi Yoshiura, Tomoyuki Noguchi, Osamu Togao, Koji Yamashita, Hironori Kamano and Hiroshi Honda

1 All authors: Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan.


Figure 1
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  		Fig. 1A —66-year-old man with compression fracture at L1. Preoperative MDCT with coronal reformation shows cortical defects of L1 on both right and left sides (arrows).

 

Figure 2
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  		Fig. 1B —66-year-old man with compression fracture at L1. Preoperative cone-beam CT with coronal reformation shows same cortical defects (arrows) seen in A.

 

Figure 3
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  		Fig. 1C —66-year-old man with compression fracture at L1. Postoperative MDCT with coronal reformation shows leakage of cement through cortical defect on right side (arrowhead).

 

Figure 4
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  		Fig. 1D —66-year-old man with compression fracture at L1. Postoperative cone-beam CT with coronal reformation shows same cement leakage on right side (arrowhead).

 

Figure 5
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  		Fig. 2A —70-year-old man with compression fracture at L1. Preoperative MDCT with coronal reformation shows vacuum phenomena at T12–L1 disk space (arrows).

 

Figure 6
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  		Fig. 2B —70-year-old man with compression fracture at L1. Preoperative cone-beam CT with coronal reformation fails to reveal vacuum phenomena at T12–L1 disk space.

 

Figure 7
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  		Fig. 3A —72-year-old woman with compression fracture at L1. Preoperative MDCT with coronal reformation fails to reveal any vacuum phenomena at L1–L2 disk space. Note intravertebral vacuum phenomenon in L1 vertebral body.

 

Figure 8
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  		Fig. 3B —72-year-old woman with compression fracture at L1. Preoperative cone-beam CT with coronal reformation shows vacuum phenomenon at L1–L2 disk space (arrow).

 

Figure 9
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  		Fig. 4A —77-year-old woman with compression fractures at L1 and L2. Postoperative MDCT with coronal reformation shows cement leakage into segmental vein at L2 on right side (arrow).

 

Figure 10
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  		Fig. 4B —77-year-old woman with compression fractures at L1 and L2. Postoperative cone-beam CT with coronal reformation shows same cement leakage into segmental vein at L2 on right side (arrow).

 

Figure 11
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  		Fig. 5A —79-year-old man with compression fractures at T12 and L1. Axial postoperative MDCT shows minimal amount of cement leakage into spinal canal via basivertebral vein at L1 (arrow). No neurologic symptoms were noted in this patient after vertebroplasty.

 

Figure 12
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  		Fig. 5B —79-year-old man with compression fractures at T12 and L1. Postoperative cone-beam CT with axial reformation shows same cement leakage into spinal canal at L1 (arrow).

 

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