Quadrilateral suspensory and straight sesamoidean ligament calcifying desmopathy in an Arabian mare

A 5-year-old Arabian mare was referred for the investigation of recent behavioural change, generalised stiffness, and owner-reported polyuria and polydipsia. Clinical examination revealed severe pain associated with palpation along the entire length of the suspensory ligament (SL) and palmar soft ti...

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Main Authors: Hui, S.K.Y., Turner, S.J., Leaman, T.R., de Brot, Simone, Barakzai, S.Z.
Format: Article
Published: Wiley 2016
Subjects:
Online Access:https://eprints.nottingham.ac.uk/41628/
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author Hui, S.K.Y.
Turner, S.J.
Leaman, T.R.
de Brot, Simone
Barakzai, S.Z.
author_facet Hui, S.K.Y.
Turner, S.J.
Leaman, T.R.
de Brot, Simone
Barakzai, S.Z.
author_sort Hui, S.K.Y.
building Nottingham Research Data Repository
collection Online Access
description A 5-year-old Arabian mare was referred for the investigation of recent behavioural change, generalised stiffness, and owner-reported polyuria and polydipsia. Clinical examination revealed severe pain associated with palpation along the entire length of the suspensory ligament (SL) and palmar soft tissues of the pastern regions of both forelimbs. Radiographs of the distal forelimbs demonstrated marked radiopaque striations within the straight sesamoidean ligaments (SSL), and less severe but similar changes in the regions of the SL branches. Ultrasonography of both distal forelimbs revealed multifocal, hyperechoic lesions within the SSLs. The SL bodies and branches were enlarged and had mixed echogenicity on ultrasound scan. The horse was euthanased at the owner’s request and submitted for post-mortem examination. Relevant gross findings were restricted to the SLs and SSLs of all four limbs, all of which contained severe mineralisation and irregularly arranged fibres. Histological examination revealed severe, multifocal to coalescing, dystrophic mineralization with cartilaginous and osseous metaplasia, which suggested a primary calcifying desmopathy affecting all four SLs and SSLs. Clinical findings in the case reported here were similar to that of degenerative suspensory ligament desmitis (DSLD) previously reported by many authors, but diagnostic imaging and histopathological findings were significantly different.
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spelling nottingham-416282020-05-04T18:25:01Z https://eprints.nottingham.ac.uk/41628/ Quadrilateral suspensory and straight sesamoidean ligament calcifying desmopathy in an Arabian mare Hui, S.K.Y. Turner, S.J. Leaman, T.R. de Brot, Simone Barakzai, S.Z. A 5-year-old Arabian mare was referred for the investigation of recent behavioural change, generalised stiffness, and owner-reported polyuria and polydipsia. Clinical examination revealed severe pain associated with palpation along the entire length of the suspensory ligament (SL) and palmar soft tissues of the pastern regions of both forelimbs. Radiographs of the distal forelimbs demonstrated marked radiopaque striations within the straight sesamoidean ligaments (SSL), and less severe but similar changes in the regions of the SL branches. Ultrasonography of both distal forelimbs revealed multifocal, hyperechoic lesions within the SSLs. The SL bodies and branches were enlarged and had mixed echogenicity on ultrasound scan. The horse was euthanased at the owner’s request and submitted for post-mortem examination. Relevant gross findings were restricted to the SLs and SSLs of all four limbs, all of which contained severe mineralisation and irregularly arranged fibres. Histological examination revealed severe, multifocal to coalescing, dystrophic mineralization with cartilaginous and osseous metaplasia, which suggested a primary calcifying desmopathy affecting all four SLs and SSLs. Clinical findings in the case reported here were similar to that of degenerative suspensory ligament desmitis (DSLD) previously reported by many authors, but diagnostic imaging and histopathological findings were significantly different. Wiley 2016-12-20 Article PeerReviewed Hui, S.K.Y., Turner, S.J., Leaman, T.R., de Brot, Simone and Barakzai, S.Z. (2016) Quadrilateral suspensory and straight sesamoidean ligament calcifying desmopathy in an Arabian mare. Equine Veterinary Education . ISSN 2042-3292 Horse; Desmopathy; Suspensory ligament; Degenerative; Calcifying http://onlinelibrary.wiley.com/doi/10.1111/eve.12705/abstract doi:10.1111/eve.12705 doi:10.1111/eve.12705
spellingShingle Horse; Desmopathy; Suspensory ligament; Degenerative; Calcifying
Hui, S.K.Y.
Turner, S.J.
Leaman, T.R.
de Brot, Simone
Barakzai, S.Z.
Quadrilateral suspensory and straight sesamoidean ligament calcifying desmopathy in an Arabian mare
title Quadrilateral suspensory and straight sesamoidean ligament calcifying desmopathy in an Arabian mare
title_full Quadrilateral suspensory and straight sesamoidean ligament calcifying desmopathy in an Arabian mare
title_fullStr Quadrilateral suspensory and straight sesamoidean ligament calcifying desmopathy in an Arabian mare
title_full_unstemmed Quadrilateral suspensory and straight sesamoidean ligament calcifying desmopathy in an Arabian mare
title_short Quadrilateral suspensory and straight sesamoidean ligament calcifying desmopathy in an Arabian mare
title_sort quadrilateral suspensory and straight sesamoidean ligament calcifying desmopathy in an arabian mare
topic Horse; Desmopathy; Suspensory ligament; Degenerative; Calcifying
url https://eprints.nottingham.ac.uk/41628/
https://eprints.nottingham.ac.uk/41628/
https://eprints.nottingham.ac.uk/41628/