Clinical and radiological analysis of ossification of the anterior longitudinal ligament causing dysphagia and hoarseness

Neurosurgery
Joonsuk SongHiroshi Nakagawa

Abstract

We retrospectively analyzed the clinical and radiological characteristics of ossification of the anterior longitudinal ligament (OALL). Seventeen patients with OALL who underwent surgery between 1995 and 2003 were reviewed. Symptomatic OALL was found in four patients. In 13 asymptomatic OALL patients who experienced mild to severe myelopathy, no swallowing difficulty was noted. The OALL was classified into three types by sagittal computed tomographic (CT) scans as segmental, continuous, and mixed and three types on axial CT scans as flat, nodular, and globular type. The thickness, numbers of involved vertebral bodies, and type and shape for symptomatic OALL were analyzed and compared with those for asymptomatic OALL. The mean thickness of 13.5 mm for symptomatic OALL was significantly higher than that of 6.5 mm for asymptomatic OALL (P = 0.0009). A globular shape on axial CT was common for symptomatic OALL. There were no differences in the numbers of involved vertebral bodies and types of OALL on sagittal CT scans. Surgical excision of OALL was performed for all cases of symptomatic OALL. In 7 of 13 asymptomatic cases, OALL was simultaneously removed during anterior decompressive surgery for the associated pathology. The thickn...Continue Reading

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Citations

Mar 5, 2010·Neurosurgery·Langston T HollyAnthony K Frempong-Boadu
Feb 8, 2011·Internal Medicine·Yoshiharu TaguchiKortaro Tanaka
Oct 22, 2011·The Spine Journal : Official Journal of the North American Spine Society·Jorrit-Jan VerlaanF Cumhur Oner
Sep 24, 2008·Journal of Medical Microbiology·Sarala MenonD A Palande
Jul 7, 2017·Surgical Neurology International·Maddala SundeepAkiyoshi Konno
Jun 23, 2018·BMJ Case Reports·Nishant KumarNaresh Kumar
Jun 4, 2020·Journal of Neurotrauma·Tetsuo HayashiTakeshi Maeda
Apr 4, 2017·Rheumatology·Jonneke S KuperusJorrit-Jan Verlaan
Jul 29, 2017·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Man-Kyu ParkJoo-Kyung Sung
Sep 4, 2019·Ultrasound Quarterly·Ruifeng LiuYu Xia
Mar 12, 2019·Annals of Rehabilitation Medicine·Hee Eun ChoiSe Heum Park
Apr 8, 2021·Journal of Craniovertebral Junction and Spine·Francesco MaiuriGiuseppe Mariniello

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