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December 9, 2025AnimalsOpen Access

Structural and Histomorphological Evaluation of the Stifle Joint Capsule in Canine Congenital Patellar Luxation and Cranial Cruciate Ligament Rupture

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Authors

MAMario Candela AndradePPPetra PeerPSPavel Slunsky

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Overview

Histological evaluation reveals joint capsule remodeling in dogs with patellar luxation and ligament rupture, suggesting implications for diagnosis and treatment.

Key Points

  • This research aims to characterize histomorphological changes in the stifle joint capsule of dogs affected by congenital patellar luxation (PL) and cranial cruciate ligament rupture (CCLR).
  • Capsule samples were collected from dogs undergoing surgery for PL or CCLR and compared with control tissue from unrelated orthopedic cases.
  • Histological evaluations assessed capsule thickness, layer organization, synovial cell number, and villous formation.
  • Associations with disease type, chronicity, breed, sex, and age were analyzed.
  • Dogs with PL and CCLR exhibited increased superficial synovial cell layers compared to controls.
  • Chronic cases showed reduced villous formation and a correlation between absence of the stratum subsynoviale and prolonged lameness.
  • PL cases frequently lacked stratum synoviale, whereas CCLR presented increased overall capsular thickness.

Cite This Study

Andrade et al. (2025) studied this question.

synapsesocial.com/papers/69401d732d562116f28f930ehttps://doi.org/10.3390/ani15243545
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Histological analysis of collagen composition in the stifle joint capsule of dogs with congenital patellar luxation and cranial cruciate ligament rupture2026
  2. 2Histological analysis of collagen composition in the stifle joint capsule of dogs with congenital patellar luxation and cranial cruciate ligament rupture.2026
  3. 3Stifle joint alterations in dogs with patellar luxation2026
  4. 4HISTOLOGICAL CHANGES IN SPONTANEOUS RUPTURE OF THE CRANIAL CRUCIATE LIGAMENT IN THE DOG2024
  5. 5Chronic lymphoplasmacytic villonodular proliferative synovitis in the stifle of a 3‐year‐old dog without concomitant cranial cruciate ligament rupture2026