Clinical, radiographic, ultrasonographic and computed tomographic features of nonseptic osteitis of the axial border of the proximal sesamoid bones

Vanderperren, Katrien; Bergman, H. J.; Spoormakers, Tjp; Pille, Frederik; Duchateau, Luc; Puchalski, S.; Saunders, Jimmy

doi:10.1111/evj.12141

Cited by 9 publications

(22 citation statements)

References 19 publications

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“…CT is another imaging modality that can provide enhanced diagnostic information, including the detection of osseous lesions of the PSBs (Vanderperren et al . ). However, currently CT of the fetlock is only achievable under general anaesthesia, sharing one of the same disadvantages as high field MRI; in addition soft tissue contrast is poorer with CT compared to MRI.…”

Section: Discussionmentioning

confidence: 97%

“…; Vanderperren et al . ), and OCLLs in other regions have also been identified at the site of insertion of ligaments, suggesting that some may occur as a result of enthesiopathy (Dyson ; McDiarmid ; Dyson et al . ; Smith et al .…”

Section: Discussionmentioning

confidence: 99%

“…; Vanderperren et al . ). Focal destructive lesions of the PSBs have also been reported in 3 horses following dorsal metatarsal artery catheterisation, thought to be associated with either ischaemic necrosis or haematogenous spread of bacteria (Barr et al .…”

Section: Introductionmentioning

confidence: 97%

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Clinical and low field magnetic resonance imaging features of osseous cyst‐like lesions of the proximal sesamoid bones in seven horses

Mair

Sherlock

Blunden

2016

Equine Veterinary Education

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Osseous cyst-like lesions of the proximal sesamoid bones (PSBs) were diagnosed in 7 horses. The diagnosis was achieved radiographically prior to magnetic resonance imaging (MRI) in only one horse, and in the other 6 horses the diagnosis was made using low field MRI (retrospective evaluation of the radiographs after the MRI revealed ill-defined radiolucencies of the PSBs in 4 of these horses). The horses ranged in age from 3 to 12 years, and the affected limbs included 3 forelimbs and 4 hindlimbs. The onset of lameness was reported to be sudden in 6 horses and insidious in one, and the duration of lameness at the time of MRI ranged from 0.3 to 11 months. The degree of lameness in the 6 horses with sudden-onset lameness was moderate to severe. Pain on flexion of the affected metacarpo(tarso) phalangeal (fetlock) joint or exacerbation of the degree of lameness following fetlock flexion was recorded in 4 of the 7 horses. The MRI findings in all cases included a focal high signal intensity lesion (all magnetic resonance sequences) at various locations in one PSB. Both septic and nonseptic aetiologies were identified. Four of the 7 horses were subjected to euthanasia due to persistent lameness, one remained chronically lame and only 2 were able to return to their previous level of exercise.

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Section: Discussionmentioning

confidence: 97%

Section: Discussionmentioning

confidence: 99%

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Clinical and low field magnetic resonance imaging features of osseous cyst‐like lesions of the proximal sesamoid bones in seven horses

Mair

Sherlock

Blunden

2016

Equine Veterinary Education

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“…Axial osteitis of the proximal sesamoid bones (PSBs) with desmitis of the intersesamoidean ligament (ISL) has been documented in several reports during the last two decades [ 1 - 8 ]. The clinical and diagnostic imaging features have been evaluated recently [ 7 ]. The disease is characterized by focal areas of bone lysis at the axial margin of the PSBs in combination with fraying and/or detachment of the ISL from the PSBs.…”

Section: Introductionmentioning

confidence: 99%

“…A possible relationship between osteolytic changes of the PSBs and changes in the fibrillar structure of the ISL had already been hypothesized 80 years ago [ 9 ]. Causes of ISL desmitis that have been considered include primary disruption of the ISL [ 2 , 3 ], traumatically induced inflammation with secondary disruption of the ligament [ 2 , 3 , 7 ], disruption of the ISL secondary to sepsis of the metacarpophalangeal (MCPJ) or metatarsophalangeal joint (MTPJ) or digital flexor tendon sheath (DFTS) [ 2 , 5 , 8 ], fungal osteomyelitis of the PSBs [ 6 ], and ischemia-induced lysis of bone and secondary disruption of the ISL as a consequence of disturbance of the blood supply [ 1 , 2 ].…”

Section: Introductionmentioning

confidence: 99%

Axial osteitis of the proximal sesamoid bones and desmitis of the intersesamoidean ligament in the hindlimb of Friesian horses: review of 12 cases (2002-2012) and post-mortem analysis of the bone-ligament interface

Brommer

Voermans²,

Veraa

et al. 2014

BMC Vet Res

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BackgroundAxial osteitis of the proximal sesamoid bones and desmitis of the intersesamoidean ligament has been described in Friesian horses as well as in other breeds. The objectives of this study were to review the outcome of clinical cases of this disease in Friesian horses and analyse the pathology of the bone-ligament interface. Case records of Friesian horses diagnosed with axial osteitis of the proximal sesamoid bones and desmitis of the intersesamoidean ligament in the period 2002-2012 were retrospectively evaluated. Post-mortem examination was performed on horses that were euthanized (n = 3) and included macroscopic necropsy (n = 3), high-field (9.4 Tesla) magnetic resonance imaging (n = 1) and histopathology (n = 2).ResultsTwelve horses were included, aged 6.8 ± 2.7 years. The hindlimb was involved in all cases. Lameness was acute in onset and severe, with a mean duration of 1.9 ± 1.0 months. Three horses were euthanized after diagnosis; 9 horses underwent treatment. Two horses (22%) became sound for light riding purposes, 2 horses (22%) became pasture sound (comfortable at pasture, but not suitable for riding), 5 horses (56%) remained lame. In addition to bone resorption at the proximo-axial margin of the proximal sesamoid bones, magnetic resonance imaging and histopathology showed osteoporosis of the peripheral compact bone and spongious bone of the proximal sesamoid bones and chronic inflammation of the intersesamoidean ligament.ConclusionsAxial osteitis of the proximal sesamoid bones and desmitis of the intersesamoidean ligament in the hindlimb of Friesian horses carries a poor prognosis. Pathological characterization (inflammation, proximo-axial bone resorption and remodelling of the peripheral compact bone and spongious bone of the proximal sesamoid bones) may help in unravelling the aetiology of this disease.

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Phalanges and the Metacarpophalangeal and Metatarsophalangeal Joints

Nixon¹

2019

Equine Surgery

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Clinical, radiographic, ultrasonographic and computed tomographic features of nonseptic osteitis of the axial border of the proximal sesamoid bones

Abstract: Lesions of nonseptic axial osteitis of a PSB can be identified using a combination of radiography and ultrasonography. Computed tomography provides additional information regarding the extent of the pathology.

Cited by 9 publications

References 19 publications

Clinical and low field magnetic resonance imaging features of osseous cyst‐like lesions of the proximal sesamoid bones in seven horses

Clinical and low field magnetic resonance imaging features of osseous cyst‐like lesions of the proximal sesamoid bones in seven horses

Axial osteitis of the proximal sesamoid bones and desmitis of the intersesamoidean ligament in the hindlimb of Friesian horses: review of 12 cases (2002-2012) and post-mortem analysis of the bone-ligament interface

Phalanges and the Metacarpophalangeal and Metatarsophalangeal Joints

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