Intramedullary abscess of the proximal third metatarsal bone in a 4‐year‐old Thoroughbred horse

White, Judith; Hughes, Kristopher; Scruton, C.; Morris, Joe D.; Philbey, Adrian; Lischer, C. J.

doi:10.2746/095777307x21726

Cited by 3 publications

(4 citation statements)

References 23 publications

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“…Another possible differential diagnosis besides a UBC could be a primary bone infection, which subsequently caused the cyst to develop. Such lesions include a bone abscess, known as Brodie's Abscess in human literature and described in the equine proximal third metatarsal bone [10], first phalanx [11], lateral epicondyle of the humerus [12], and proximal tibia [13]. These lesions are usually confined to the diaphysis or metaphysis of long bones and are characterized by presence of a sclerotic rim [14].…”

Section: Discussionmentioning

confidence: 99%

Unicameral Bone Cyst in the Proximal Humerus with Secondary Infection in an 18-Month-Old Foal

Fugazzola

Klaus

Lischer

2014

Case Reports in Veterinary Medicine

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An 18-month-old warmblood filly was 4/5 lame on the front right limb at referral and showed severe swelling of the right shoulder region and pain during manipulation of the shoulder region. Radiography revealed a roundish 5 × 7 cm radiolucent area with defined borders within the greater tubercle and the presence of a fracture of the lateral tubercle associated with the cyst. Cellular blood count was 27,500 WBC/μL and serum biochemical analyses revealed fibrinogen of 855 mg/dL. The fractured bone was removed surgically; the cyst debrided and filled with autologous cancellous bone graft. Three and five weeks after surgery the filly was reoperated on because of an osseous sequestrum and a periostal defect on the distal dorsolateral aspect of the pastern of the right hind limb and a septic synovitis of the DFTS of the left hind limb. Fifteen month after surgery the filly was not lame and was introduced to training. Unicameral bone cysts (UBC) are well described lesions, often associated to pathologic fracture in the proximal humerus of children but, until present, no scientific report exists of UBC in the foal. The prompt surgical management had a favorable outcome.

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Section: Discussionmentioning

confidence: 99%

Unicameral Bone Cyst in the Proximal Humerus with Secondary Infection in an 18-Month-Old Foal

Fugazzola

Klaus

Lischer

2014

Case Reports in Veterinary Medicine

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“…

The case report of an intramedullary abscess of the proximal third metatarsal bone in a 4-year-old Thoroughbred horse (White et al 2007) certainly adds to the literature in that relatively few instances of chronic bone abscessation have been reported in the horse. The authors noted that similarities exist between these reports and a form of chronic osteomyelitis reported in man referred to as Brodie's abscess.

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confidence: 84%

“…Staphylococcus aureus and coagulase-positive Staphylococcus species were isolated from the intramedullary bone abscess and this bacterial isolation is typical of Brodie's abscess in man. In man, the cause is considered to be haematogenous and it is quite possible that the case in the report in the third metatarsal by White et al (2007) does indeed have such a pathogenesis. The case described by Tulamo and Alitalo (1986) was seen in the medullary cavity of the third metatarsal bone, but there were 2 holes extending from the outer cortex into the lesion (and the authors suggest that the cause could have been facilitation of bacterial infection by previous local treatment with corticosteroids).…”

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confidence: 93%

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Bone abscessation in the horse ‐ how comparable to Brodie's abscess is it?

McIlwraith

2007

Equine Veterinary Education

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Imaging and histopathological findings of a third metacarpal aneurysmal bone cyst and pathological proximal suspensory ligament avulsion fracture

Fletcher,

Mackinder,

Agass

et al. 2024

Equine Veterinary Education

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SummaryA 10‐year‐old Quarter Horse mare presented with acute and severe lameness, persisting despite initial farriery intervention. Upon physical examination, palpation of the proximal thirds of the third and fourth metacarpal bones elicited marked pain. Radiographic evaluation revealed a well‐defined radiolucency within the proximal third of the left third metacarpal bone, localised to the enthesis of the proximal suspensory ligament. Ultrasonographic findings demonstrated moderate thickening and increased vascularity of the suspensory ligament at this level. Surgical intervention was considered; however, its feasibility was constrained by the atypical nature and location of the lesion. Subsequent magnetic resonance imaging (MRI) provided a detailed characterisation of the lesion, confirming its expansile nature and the suspected associated avulsion fracture presence. Histopathological examination corroborated the diagnosis of an aneurysmal bone cyst (ABC) with an accompanying bone fracture and bone remodelling. Cases like the one described here define the importance of utilising advanced imaging techniques in combination with conventional modalities, especially when diagnosing and assessing the extent of unusual or complex lesions, to inform prognosis and guide treatment decisions. Due to the lesion's intramedullary location, expansile nature and involvement of critical anatomical structures, surgical interventions were limited which led to a recommendation for humane euthanasia.

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Intramedullary abscess of the proximal third metatarsal bone in a 4‐year‐old Thoroughbred horse

Cited by 3 publications

References 23 publications

Unicameral Bone Cyst in the Proximal Humerus with Secondary Infection in an 18-Month-Old Foal

Unicameral Bone Cyst in the Proximal Humerus with Secondary Infection in an 18-Month-Old Foal

Bone abscessation in the horse ‐ how comparable to Brodie's abscess is it?

Imaging and histopathological findings of a third metacarpal aneurysmal bone cyst and pathological proximal suspensory ligament avulsion fracture

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