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Volume 11
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10.3390/diagnostics11101744
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Article

Assessment of 3D Lumbosacral Vascular Anatomy for OLIF51 by Non-Enhanced MRI and CT Medical Image Fusion Technique

by
Masakazu Nagamatsu
,
Sameer Ruparel
,
Masato Tanaka
*,
Yoshihiro Fujiwara
,
Koji Uotani
,
Shinya Arataki
,
Taro Yamauchi
,
Yoshiyuki Takeshita
,
Rika Takamoto
,
Masato Tanaka
and
Shinsuke Moriue
Department of Radiology, Okayama Rosai Hospital, 1-10-25 Chikkomidorimachi, Minami Ward Okayama, Okayama 702-8055, Japan
*
Author to whom correspondence should be addressed.
Diagnostics 2021, 11(10), 1744; https://doi.org/10.3390/diagnostics11101744
Submission received: 18 July 2021 / Revised: 14 September 2021 / Accepted: 19 September 2021 / Published: 23 September 2021
(This article belongs to the Special Issue Spine Surgery: State of the Art Diagnostics)
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Abstract

Study design: Prospective study. Objective: Medical image fusion can provide information from multiple modalities in a single image. The present study aimed to determine whether three-dimensional (3D) lumbosacral vascular anatomy could be adequately portrayed using a non-enhanced CT–MRI medical image fusion technique. Summary of Background Data: Lateral lumbar interbody fusion has gained popularity for the surgical treatment of adult spinal deformity (ASD). Oblique lumbar interbody fusion at L5–S1 (OLIF51) is receiving considerable attention as a method of creating good L5–S1 lordosis. Access in OLIF51 requires evaluation of the vascular anatomy in the lumbosacral region. Conventional imaging modalities need a contrast medium to describe the vascular anatomy. Methods: Participants comprised 15 patients with ASD or degenerative lumbar disease who underwent corrective surgery at our hospital between January 2020 and June 2021. A 3D vascular image with bony structures was obtained by fusing results from MRI and CT. We processed the merged image and measured the distance between left and right common iliac arteries and veins at two levels: the lower end of the L5 vertebral body (Window A) and the upper end of the S1 vertebral body (Window B). Results: The mean sizes of Window A and Window B were 29.7 ± 10.7 mm and 36.9 ± 10.3 mm, respectively. The mean distance from the bifurcation to the lower end of the L5 vertebra was 23.7 ± 10.9 mm. Coronal deviation of the bifurcation was, from center to left, 12.6 ± 12.3 mm, and the distance from the center of the L5 vertebral body to the bifurcation was 0.79 ± 7.3 mm. Only one case showed a median sacral vein (6.7%). Clinically, we performed OLIF51 in 12 of the 15 cases (80%). Conclusion: Evaluating 3D lumbosacral vascular anatomy using a non-enhanced MRI and CT medical image fusion technique is very useful for OLIF51, particularly for patients in whom the use of contrast medium is contraindicated.
Keywords: OLIF51; vascular anatomy; multi-modality image fusion; medical image OLIF51; vascular anatomy; multi-modality image fusion; medical image

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MDPI and ACS Style

Nagamatsu, M.; Ruparel, S.; Tanaka, M.; Fujiwara, Y.; Uotani, K.; Arataki, S.; Yamauchi, T.; Takeshita, Y.; Takamoto, R.; Tanaka, M.; et al. Assessment of 3D Lumbosacral Vascular Anatomy for OLIF51 by Non-Enhanced MRI and CT Medical Image Fusion Technique. Diagnostics 2021, 11, 1744. https://doi.org/10.3390/diagnostics11101744

AMA Style

Nagamatsu M, Ruparel S, Tanaka M, Fujiwara Y, Uotani K, Arataki S, Yamauchi T, Takeshita Y, Takamoto R, Tanaka M, et al. Assessment of 3D Lumbosacral Vascular Anatomy for OLIF51 by Non-Enhanced MRI and CT Medical Image Fusion Technique. Diagnostics. 2021; 11(10):1744. https://doi.org/10.3390/diagnostics11101744

Chicago/Turabian Style

Nagamatsu, Masakazu, Sameer Ruparel, Masato Tanaka, Yoshihiro Fujiwara, Koji Uotani, Shinya Arataki, Taro Yamauchi, Yoshiyuki Takeshita, Rika Takamoto, Masato Tanaka, and et al. 2021. "Assessment of 3D Lumbosacral Vascular Anatomy for OLIF51 by Non-Enhanced MRI and CT Medical Image Fusion Technique" Diagnostics 11, no. 10: 1744. https://doi.org/10.3390/diagnostics11101744

APA Style

Nagamatsu, M., Ruparel, S., Tanaka, M., Fujiwara, Y., Uotani, K., Arataki, S., Yamauchi, T., Takeshita, Y., Takamoto, R., Tanaka, M., & Moriue, S. (2021). Assessment of 3D Lumbosacral Vascular Anatomy for OLIF51 by Non-Enhanced MRI and CT Medical Image Fusion Technique. Diagnostics, 11(10), 1744. https://doi.org/10.3390/diagnostics11101744

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