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Not All Osteophytes Are Located On The Right Side Of The Vertebrae In Diffuse Idiopathic Skeletal Hyperostosis: A Quantitative Analysis In Relation To The Position Of Aorta London Spine Lumbar Stenosis

This article discusses a study that aimed to evaluate the relationship between the position of osteophytes (bone spurs) and the aorta in patients with diffuse idiopathic skeletal hyperostosis (DISH). The study conducted a retrospective review of 101 patients diagnosed with DISH and symptomatic lumbar spinal stenosis. CT scans were used to measure the relative position between the aorta and osteophytes. The results showed that osteophytes in DISH were not always located on the right side of the vertebrae but moved with the position of the descending aorta. The morphology of the osteophytes varied by vertebral segment, with flat osteophytes concentrated in T5-T12 and concave osteophytes in T11-L4. The study concludes that the formation and morphology of osteophytes in DISH are influenced by the descending anterior position of the aorta in the spine

Summarised by Mr Mo Akmal – Lead Spinal Surgeon
The London Spine Unit : best recognised day surgery unit in UK

Published article

Osteophytes are not always located on the right side of vertebrae, but move with the position of the descending aorta. Furthermore, the morphology of osteophytes varies by vertebral segment in DISH, which is related to aorta descending anteriorly in the spine.

Spine Lumbar Spinal Stenosis Expert. Best Spinal Surgeon UK
Abstract Objective: Diffuse idiopathic skeletal hyperostosis (DISH) is characterized by osteophytes in the anterior vertebrae, and the presence of aorta may have an impact on their formation. However, the anatomical positional relationship between the aorta and osteophytes in patients with DISH remains controversial. This study aimed to evaluate the position of osteophytes in relation to,

Abstract

Objective: Diffuse idiopathic skeletal hyperostosis (DISH) is characterized by osteophytes in the anterior vertebrae, and the presence of aorta may have an impact on their formation. However, the anatomical positional relationship between the aorta and osteophytes in patients with DISH remains controversial. This study aimed to evaluate the position of osteophytes in relation to aorta in DISH, and the influence of aortic pulsation on the formation of osteophytes from the perspective of morphology.

Methods: We conducted a retrospective review of 101 patients diagnosed with DISH and symptomatic lumbar spinal stenosis between June 2018 and December 2021. A total of 637 segments with heterotopic ossification in DISH were used for quantitative measurements on CT scans. The Cartesian coordinate system was built up on the axial CT scans to reflect the relative position between aorta and osteophytes. Osteophytes were divided into adjacent aorta group (AD group) and non-adjacent aorta group (N-AD group). In terms of the morphology, osteophytes in the AD group were further divided into convex, flat, and concave types. The relative position between aorta and osteophytes, and the aorta-osteophyte distance and morphology of osteophytes were compared. Univariate analysis of variance was performed for multiple groups, and two independent-samples t-tests were used for two groups.

Results: From T5 to L4, aorta gradually descended from left side to middle of vertebrae, and osteophytes gradually shifted from right side of vertebrae (T5-T10) to bilateral sides (T11-L4). Of 637 osteophytes in DISH, 60.1% (383/637) were in AD group, including convex type 0.6% (4/637), flat type 34.7% (221/637), and concave type 24.8% (158/637). The N-AD group accounted for 39.9% (254/637). Flat osteophytes were concentrated in T5-T12, while concave osteophytes in T11-L4. Overall, the aorta-osteophyte distance of concave type was significantly smaller than that of flat type.

Osteophytes are not always located on the right side of vertebrae, but move with the position of the descending aorta. Furthermore, the morphology of osteophytes varies by vertebral segment in DISH, which is related to aorta descending anteriorly in the spine.

Keywords: Aorta; CT; Diffuse idiopathic skeletal hyperostosis; Morphology; Osteophyte; Position.

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Not All Osteophytes Are Located on the Right Side of the Vertebrae in Diffuse Idiopathic Skeletal Hyperostosis: A Quantitative Analysis in Relation to the Position of Aorta

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Abstract Objective: Diffuse idiopathic skeletal hyperostosis (DISH) is characterized by osteophytes in the anterior vertebrae, and the presence of aorta may have an impact on their formation. However, the anatomical positional relationship between the aorta and osteophytes in patients with DISH remains controversial. This study aimed to evaluate the position of osteophytes in relation to

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