PMID: 3750733Jul 1, 1986Paper

Pathology of the vertebral column of horses with cervical static stenosis

Veterinary Pathology
B E PowersR W Norrdin

Abstract

Specimens of ligamentum flavum, joint capsule, and dorsal lamina were collected at surgery or necropsy from 25 horses with cervical static stenosis. All horses had myelographic evidence of dorsal compression of the spinal cord caused by soft tissue and/or bone in the caudal cervical area, primarily at C6-7. Most horses also had radiographic evidence of degenerative joint disease of articular facets. Histologically 19 horses had osteosclerosis and cartilage retention in the dorsal lamina, and 24 horses had increased fibrocartilage at the ligamentum flavum attachment to dorsal lamina. The ligamentum flavum and joint capsule had fibrovascular tissue in 20 horses. Fibrocartilaginous tissue, old hemorrhage, and fat necrosis were not unusual. One horse each had a synovial cyst, eosinophilic granulomas in the joint capsule, and osteochondrosis of articular facets. These findings indicate that abnormal biomechanical forces or instability of articulations result in stretching and tearing of the ligamentum flavum and joint capsule with subsequent fibrovascular and fibrocartilaginous proliferation, osteosclerosis of the dorsal lamina, and osteophyte formation on the articular facets.

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Citations

Nov 2, 2001·The Journal of Small Animal Practice·P J DickinsonR A Lecouteur
Mar 22, 2014·Journal of the American Veterinary Medical Association·Joy A Delamaide GasperDenise M Imai
Oct 7, 2009·Equine Veterinary Journal·S S Down, F M D Henson
Nov 14, 2012·Equine Veterinary Journal·L N ThomsenP D Thomsen
Apr 16, 2011·Equine Veterinary Journal·T PrangeF L Garcia-Pereira
Jun 23, 2006·Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc·Gete HestvikRonny Lindberg
Jul 1, 1993·Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc·S S TrostleK A Beck
Jan 1, 1990·Veterinary Pathology·C E DoigeM McGowan
Jul 15, 2015·Veterinary Pathology·J G JanesJ N MacLeod
Jan 6, 2018·Veterinary Pathology·Wilhelmina BergmannGuy C M Grinwis
Apr 17, 2018·Equine Veterinary Journal·S A O'LearyK A Athanasiou
Nov 5, 2008·Journal of the American Veterinary Medical Association·Jonathan M LevineNoah D Cohen
Feb 6, 2020·Equine Veterinary Journal·Wilhelmina BergmannAndrea Gröne
Mar 14, 2001·Veterinary Radiology & Ultrasound : the Official Journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association·A A WebbK A Tryon
Mar 21, 2002·Equine Veterinary Journal·C BeckR Lavelle
Nov 12, 2020·Equine Veterinary Journal·Pablo Espinosa-MurMathieu Spriet
Feb 11, 2021·Animals : an Open Access Journal From MDPI·Melinda R StoryC Wayne McIlwraith
Apr 7, 2021·Veterinary Radiology & Ultrasound : the Official Journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association·Maren HelligeKarsten Feige
Jun 2, 2021·Journal of the American Veterinary Medical Association·Erin N HalesCarrie J Finno
Jul 22, 2021·Veterinary Surgery : VS·Nicole SchulzeChristoph Lischer

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