Intraoperative Spinal Sonography

Zeidman, Seth M.; Tomlin, Jeffrey M.; Rodriguez-Cruz, Leonardo

doi:10.1097/00127927-200308010-00005

Cited by 1 publication

(2 citation statements)

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“…Ultrasound imaging is an important tool that has been used to observe intraspinal abnormalities and assess the progress of spinal cord surgery before the operation is completed. Many publications have described the application of intraoperative ultrasound of the spinal cord [12,15,16], but the image quality of conventional B-mode sonography has limited its use. Some researchers have suggested that ultra-highfrequency ultrasound should produce more detailed images of the spinal cord [25].…”

Section: Resultsmentioning

confidence: 99%

“…As a commonly used diagnostic tool, intraoperative ultrasound has been suggested for identification and characterization of spinal cord lesions and has been successfully used to guide intraspinal surgery for many years [11][12][13][14][15]. Compared with preoperative MRI, intraoperative ultrasound not only provides visualization of intraspinal abnormalities, but assesses the progress of spinal cord surgery before the operation is completed [16].…”

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confidence: 99%

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Preliminary animal studies on observation of injured spinal cord with intraoperative ultrasound backscatter microscopy

Niu

Liao

et al. 2012

Chin. Sci. Bull.

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Many studies have shown that strategies of nerve regeneration and cell-based transplantation are valid based on animal models of spinal cord injury (SCI). To apply these strategies and bridge spinal cord defects, the identification and precise localization of lesions during spinal cord surgery is necessary. The aim of the present experiment was to evaluate the capabilities of ultrasound backscatter microscopy (UBM) in identifying morphologic changes after SCI. After laminectomy, high-resolution ultrasound images of the spinal cord were obtained in one normal and seven spinal cord-injured adult Wistar rats using a UBM system with a 55-MHz center frequency scanner. Comparison between histoanatomic and UBM images was also performed. The results showed that UBM can identify cysts after the experimental SCI is removed in adult rats. In addition, the glial scar formed in secondary injury showed obvious hyperechoic speckle in the UBM image and correlated with the histoanatomic image. UBM has obvious clinical value in nerve regeneration and cell-based transplantation strategies in injured spinal cords.

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