Evidence map›Paper›PMID 40968698›Full record

ArticleEquine veterinary journal2026

Distal interphalangeal joint capsule enthesopathy of the middle phalanx and articular cartilage loss.

Monika A Samol, Myra F Barrett, David D Frisbie

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Article in Equine veterinary journal, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

3 authors.

Monika A SamolDepartment of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, USA.
Myra F BarrettDepartment of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, USA.ORCID https://orcid.org/0000-0001-5060-6009
David D FrisbieDepartment of Clinical Sciences, Orthopedic Research Center at the Translational Medicine Institute, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, USA.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundSignificant distal interphalangeal joint (DIPJ) pathology, particularly affecting soft tissue and articular cartilage, is often not identifiable on radiographs but can be accompanied by joint capsule enthesopathy on the middle phalanx (P2), which can be readily identified.

objectivesTo explore frequency and correlations between DIPJ capsule enthesopathy identified on magnetic resonance imaging (MRI) and radiographs and DIPJ articular cartilage abnormalities and other concurrent soft tissue or osseous pathology within the foot found on MRI. STUDY

designRetrospective descriptive case series.

methodsCases identified with DIPJ capsule enthesopathy on MRI and radiographs were retrospectively reviewed. Abnormalities were graded using a 4-point scale. Descriptive statistics and Spearman's rank correlations were used to analyse the relationship between the presence and grade of DIPJ capsule enthesopathy, lameness, and DIPJ intra-articular and collateral ligament abnormalities seen on MRI.

resultsMRI and radiographic studies of 21 feet with DIPJ capsule enthesopathy were analysed. DIPJ articular cartilage lesions were identified in 20/21 limbs (95%). There was no significant correlation between the degree of DIPJ capsule enthesopathy and the severity of articular cartilage lesions. DIPJ proliferative synovitis and osteophytes were present in the majority of limbs (91% and 95%), respectively. DIPJ collateral ligaments were abnormal in 52% of the limbs. With MRI-based assessment, DIPJ capsule enthesopathy grade was moderately positively correlated with DIPJ collateral ligaments' findings severity (r = 0.53, p = 0.01). MAIN LIMITATIONS: Retrospective character, no histopathology, studied cases limited to one referral centre, low case numbers and statistical power.

conclusionsThe presence of DIPJ capsule enthesopathy on radiographs is a reliable finding to rule in DIPJ damage and support further case management, particularly in cases where advanced imaging is unavailable or desired.

Indexed as

Cartilage, ArticularEnthesopathyHorse DiseasesToe JointAnimalsFemaleHorsesMagnetic Resonance ImagingMaleRetrospective Studiesadvanced imagingfoot radiographshigh‐field MRIhorseP2

Identifiers

PMID40968698
PMCPMC13244171

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