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Fig. 1 | BMC Infectious Diseases

Fig. 1

From: Predictive factors for positive disco-vertebral biopsy culture in pyogenic vertebral osteomyelitis, and impact of fluoroscopic versus scanographic guidance

Fig. 1

Disco-vertebral biopsy (DVB) under fluoroscopic guidance at the L5-S1 level. DVB at this level needs a large craniocaudal angulation and will target the L5 lower vertebral body rather than the L5-S1 disk or S1 upper vertebral body because bone marrow yields better samples than disk, and targeting the S1 upper body is difficult due to the overlaying shadow of the iliac bones. a Trocard on the guide needle. b Sample of L5-S1 space. c Sample of inferior vertebral body endplate of L5. d Sample of superior vertebral body endplate of S1

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