High resolution 3D intraosseous vascular model of the scaphoid bone reconstructed by micro CT

SHEN Zhong-Cheng; WANG Ding-Yu; FANG Xuan; JIANG Dong; YU Jia-Kuo; ZHANG Wei-Guang

doi:10.16098/j.issn.0529-1356.2020.04.014

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Acta Anatomica Sinica ›› 2020, Vol. 51 ›› Issue (4) : 557-560. DOI: 10.16098/j.issn.0529-1356.2020.04.014

Anatomy

High resolution 3D intraosseous vascular model of the scaphoid bone reconstructed by micro CT

SHEN Zhong-cheng^1,2WANG Ding-yu^1,3 FANG Xuan¹ LIU Huai-cun¹ JIANG Dong³ YU Jia-kuo³ ZHANG Wei-guang^1*

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Abstract

Objective The purpose of this study is to construct a high-resolution model focusing on the vascular pattern of the scaphoid by using micro CT and to provide anatomical reference for the daily clinical use. Methods The lead-based contrast was perfused from the brachial artery and then the scaphoid bone was harvested. 3D models of the scaphoid bones were constructed by using micro CT to show how arteries distributed in and on the bones. Results The arteries on the surface stretched from the distal radius covered with scaphoid fossa to the radial side of the waist and then head back to the distal ulna along the dorsoradial ridge, formed like a letter “Ⅴ”. The arteries gathered at the inflection point of the letter “Ⅴ” and the dorsal region. The tubercle region was anastomosed extensively with 3 to 5 major intraosseous vessels originated from the extraosseous vessels covering the waist and the tubercle. There are only 1 to 2 major intraosseous vessels entering the bone via a long route from the ulnar side. The vessels running in the scapholunate ligament didn’t spilt into any intraosseous branches. Conclusion The superficial vascularity formes a “Ⅴ”-like pattern. The inflection point of the letter “Ⅴ” and the dorsal region display a dense vascularization and these vessels contributed a lot to the intraosseous vascularity.

Key words

Scaphoid bone / Intraosseous vessel / Avascular necrosis / High resolution 3D / Micro computed tomography / Human

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SHEN Zhong-cheng WANG Ding-yu FANG Xuan LIU Huai-cun JIANG Dong YU Jia-kuo ZHANG Wei-guang. High resolution 3D intraosseous vascular model of the scaphoid bone reconstructed by micro CT[J]. Acta Anatomica Sinica. 2020, 51(4): 557-560 https://doi.org/10.16098/j.issn.0529-1356.2020.04.014

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