Trauma-induced exostosis of multiple suture lines causing partial bilateral nasolacrimal duct obstruction in a 7-year-old Thoroughbred mare

Poore, Luke Alexander; Roux, Christelle Le; Carstens, Adelia

doi:10.4102/jsava.v90i0.1764

Cited by 5 publications

(9 citation statements)

References 28 publications

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“…Epiphora (Figs 14, 15) can occur unilaterally or bilaterally with inflammation of the lacrimal bone sutures which obstruct the nasolacrimal duct (Poore and others 2019); Verwilghen and others (2022) reported this in 37 per cent of 105 cases of suturitis. Carslake (2009) described three horses with epiphora and radiographic findings consistent with exostosis at the lacrimomaxillary suture.…”

Section: Clinical Findingsmentioning

confidence: 99%

Diagnosis and management of facial bone suturitis (suture exostosis) in horses

Dixon¹

2023

In Practice

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Background: Facial swellings are a common presenting sign in horses and can have many causes. Some swellings can be caused by significant disorders such as sinus cysts, sinonasal neoplasia or dental abscessation, which require immediate diagnosis and treatment. However, facial swellings similar to some of these disorders may also be caused by facial suturitis and these may cause great concern to some horse owners. Aim of the article: This article describes the anatomy of the equine facial sutures and explains the known causes and the clinical and ancillary diagnostic findings of equine facial suturitis, so that practitioners can confidently make a diagnosis and advise clients of its usually innocuous nature. Management of cases with suture infections is also described.

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Section: Clinical Findingsmentioning

confidence: 99%

Diagnosis and management of facial bone suturitis (suture exostosis) in horses

Dixon¹

2023

In Practice

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“…The skull is composed of several flat bones, (Poore et al 2019) that are bound together by collagen and overlying periosteum, forming specialised fibrous joints called craniofacial sutures (Dixon, 2014;Klein et al, 2014;Poore et al, 2019;Willam & Warwick, 1980).…”

Section: Introductionmentioning

confidence: 99%

Septic suturitis: A suspected cause of periapical infection in a young horse

McQuillan,

Derham,

Davies

et al. 2023

Equine Veterinary Education

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SummaryThis case report describes septic suturitis as a likely cause of periapical dental disease in a 3‐year‐old Thoroughbred colt. The horse was presented for a unilateral sinusitis initially managed by a frontal osteotomy and sinus lavage and subsequently developed a septic suturitis. Subsequently, a computed tomography (CT) examination identified a periapical infection of cheek tooth 109 with associated sinusitis of the rostral sinus compartments and an extensive suturitis, with the most severe changes located at the right nasomaxillary suture line. There was an associated local fistulous tract rostral to the mesial periapical region of cheek tooth 107 but unassociated with typical periapical or endodontic dental disease changes on CT. The sinusitis did not respond to oral extraction of cheek tooth 109 and sinus lavage. A repeat head CT 2 weeks later, now revealed buccal alveolar bone loss surrounding cheek tooth 107 with obvious periodontal and endodontic dental disease changes. Oral extraction of cheek tooth 107 was performed and local curettage of the fistulous tract was conducted. We conclude that septic suturitis can become extensive and slow to resolve and its rostral extension can cause periapical infection of the closely associated rostral cheek teeth in young horses.

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“…The most common congenital condition is NLD atresia 1 . Acquired conditions are frequently related to dacryocystitis, primary dental disease, secondary strictures, foreign bodies, suture exostosis, and obstruction associated with known head trauma 1,3,4 . The presence of epiphora, inability to lavage the NLD with saline, and optimally, visualization of an obstruction via contrast dacryocystorhinography are required to diagnose an NLDO 5 .…”

Section: Introductionmentioning

confidence: 99%

“…1 Acquired conditions are frequently related to dacryocystitis, primary dental disease, secondary strictures, foreign bodies, suture exostosis, and obstruction associated with known head trauma. 1,3,4 The presence of epiphora, inability to lavage the NLD with saline, and optimally, visualization of an obstruction via contrast dacryocystorhinography are required to diagnose an NLDO. 5 Reported methods for correction of NLDO include application of topical corticosteroids and systemic anti-inflammatory medications to diminish swelling and widen the NLD lumen; placement of a stent after canaliculosinostomy 2,6 or canaliculorhinostomy 7 and laser ablation of NLD atresia with placement of a silicone feeding tube as stenting material.…”

Section: Introductionmentioning

confidence: 99%

Endoscopic‐guided diagnosis of and interventional stent placement for nasolacrimal duct obstruction in a horse

Smith

Adams

Derré

et al. 2023

Veterinary Ophthalmology

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Objective: To describe the successful use of endoscopy to visualize and place a soft canine ureteral stent to relieve a chronic nasolacrimal duct (NLD) obstruction in a horse.Animal Studied: A 7-year-old, Quarter horse gelding.Procedure: Under general anesthesia, retrograde nasolacrimal endoscopy was performed using an 8.5 Fr Storz Flex XC ureteroscope through the nasal punctum (NP). An obstructive web of fibrous tissue was visualized approximately 20 cm proximal to the NP. A 0.035″/150 cm hydrophilic guidewire was passed normograde from the ventral lacrimal punctum and used to puncture the stenotic tissue. Then, a 5.0Fr/70 cm open-end ureteral catheter was threaded normograde over the guidewire and NLD patency was re-established. The catheter confirmed a NLD length of 30 cm and was then removed. A 5.0Fr/22-32 cm Universa© Soft Ureteral Stent was threaded normograde over the guidewire until the loops of the stent were exposed at each end. The guidewire was removed and the stent loops were sutured in place. Results:The stent was withdrawn 1 month after the procedure. Telephone follow-up with the client reported significant improvement in the amount of ocular discharge and decreased sensitivity around the face and ears. Conclusion:Endoscopy is a safe and effective procedure allowing for definitive diagnosis of NLD obstruction and to assist in interventional procedures. Placement of a canine indwelling ureteral stent seems to be an effective alternative treatment option for equine NLD obstruction compared to conventional invasive surgical procedures.

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Trauma-induced exostosis of multiple suture lines causing partial bilateral nasolacrimal duct obstruction in a 7-year-old Thoroughbred mare

Cited by 5 publications

References 28 publications

Diagnosis and management of facial bone suturitis (suture exostosis) in horses

Diagnosis and management of facial bone suturitis (suture exostosis) in horses

Septic suturitis: A suspected cause of periapical infection in a young horse

Endoscopic‐guided diagnosis of and interventional stent placement for nasolacrimal duct obstruction in a horse

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