Detection of Articular Pathology of the Distal Aspect of the Third Metacarpal Bone in Thoroughbred Racehorses: Comparison of Radiography, Computed Tomography and Magnetic Resonance Imaging

O’Brien, Timothy P.; Baker, Theresa; Brounts, Sabrina H.; Sample, Susannah J.; Markel, Mark D.; Scollay, Mary C.; Marquis, Patricia; Muir, Peter

doi:10.1111/j.1532-950x.2011.00881.x

Cited by 57 publications

(76 citation statements)

References 24 publications

(37 reference statements)

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“…Our result in STTM was 18.1. O'Brien et al [22] stated that increase in the hoof wall thickness and its related soft tissue to more than 20 mm is the first radiographic sign of laminitis. This increase is due to the inflammation of the laminae and will be seen on lateromedial radiographs almost 48 h to 72 h after laminitis start to grow.…”

Section: Discussionmentioning

confidence: 99%

Radiological anatomy of distal phalanx of front foot in the pure Iranian Arabian horse

2017

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Section: Discussionmentioning

confidence: 99%

Radiological anatomy of distal phalanx of front foot in the pure Iranian Arabian horse

2017

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“…Furthermore computed tomography (CT) is well established to precisely distinguish structural bony pathology such as (incomplete) fractures and can aid surgical planning (Del Chicca et al 2008, Braim et al 2010, O'Brien et al 2011, Brünisholz et al 2015. But currently the use of CT is limited as general anaesthesia is still prerequisite to the use of this modality in diagnostic imaging of equine limbs (O'Brien et al 2011).…”

Section: Introductionmentioning

confidence: 99%

“…But currently the use of CT is limited as general anaesthesia is still prerequisite to the use of this modality in diagnostic imaging of equine limbs (O'Brien et al 2011). …”

Section: Introductionmentioning

confidence: 99%

Unusual incomplete frontal plane third metacarpal fracture in a dressage horse

Paschke¹,

Walliser²

2016

PHK

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Summary: Different types and locations of fractures of the third metacarpal bone have been discussed for decades, especially in regard to treatment and prognosis. There is lack of documentation of frontal plane third metacarpal fractures diagnosed by MRI within the extensive previous literature. The present case report describes an incomplete frontal plane third metacarpal fracture in a dressage horse. The A 6 year-old Hanoverian mare was suddenly lame during side passes within a dressage contest. Physical examination revealed a grade 3/5 lameness of the left forelimb. When standing the horse showed a tendency to leg rest. A discrete oedematous swelling from the medioproximal metacarpus to the middle third of the flexor tendons was palpable. Rotation of the phalanx resulted in a mild pain response. Initially a basic set of x-ray images was carried out, which did not show an evident fractureline. To further evaluate the cause of local swelling and lameness a standing MRI examination was carried out with a 0.27 Tesla Hallmarq EQ2 dedicated equine MRI system. In consequence, an incomplete frontal plane fracture of the third metacarpal bone was confirmed. The images depict typical features of acute fractures in MR studies. Angle adapted x-ray images were taken and the fracture line initially obscured by the splint bones became visible. No diagnostic block was performed due to the risk to worsen the incomplete fracture. Conservative management was chosen. During the first four weeks immobilisation was applied and exercise was restricted to box rest for another four weeks. During that time the mare was re-evaluated regarding to lameness in the walk, by MRI and by x-ray images. In the present case conservative management led to complete recovery. The last recheck in the stable took place after 46 weeks by the referring veterinarian. Until that time no signs of secondary osteoarthritis had occurred in follow-up radiographs taken by the referring veterinarian.

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“…The palmar site location was chosen based on the site where cartilage injury has been previously reported, most often in conjunction with subchondral sclerosis and signs of fatigue condylar fractures. 42,43 The locations of sites 1-3 were chosen to be the same as sites previously evaluated by researchers studying stages of condylar fatigue fractures 42 .…”

Section: Methodsmentioning

confidence: 99%

VALIDATION OF DELAYED GADOLINIUM‐ENHANCED MAGNETIC RESONANCE IMAGING OF CARTILAGE AND T2 MAPPING FOR QUANTIFYING DISTAL METACARPUS/METATARSUS CARTILAGE THICKNESS IN THOROUGHBRED RACEHORSES

Carstens

Kirberger

Dahlberg

et al. 2012

Vet Radiology Ultrasound

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Detection of Articular Pathology of the Distal Aspect of the Third Metacarpal Bone in Thoroughbred Racehorses: Comparison of Radiography, Computed Tomography and Magnetic Resonance Imaging

Abstract: Both CT and MRI are superior to DR for detection of subchondral bone pathology, but underestimate the extent of joint adaptation and pathologic damage. MRI was able to detect cartilage degeneration.

Cited by 57 publications

References 24 publications

Radiological anatomy of distal phalanx of front foot in the pure Iranian Arabian horse

Radiological anatomy of distal phalanx of front foot in the pure Iranian Arabian horse

Unusual incomplete frontal plane third metacarpal fracture in a dressage horse

VALIDATION OF DELAYED GADOLINIUM‐ENHANCED MAGNETIC RESONANCE IMAGING OF CARTILAGE AND T2 MAPPING FOR QUANTIFYING DISTAL METACARPUS/METATARSUS CARTILAGE THICKNESS IN THOROUGHBRED RACEHORSES

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