CC BY 4.0 · VCOT Open 2023; 06(02): e102-e106
DOI: 10.1055/s-0043-1771232
Case Report

Unilateral Repair of an Avulsion Fracture of the Caudal Cruciate Ligament Origin Combined with a Ruptured Cranial Cruciate Ligament in a Dog

A.A. Pike
1   Surgery Department, Animal Specialty and Emergency Services, Los Angeles, California, United States
,
R.J. Balfour
1   Surgery Department, Animal Specialty and Emergency Services, Los Angeles, California, United States
› Author Affiliations
Funding None.

Abstract

Caudal cruciate ligament (CaCL) femoral avulsion fractures are rarely documented, and a true incidence is unclear. A literature search revealed very few cases of a CaCL avulsion fracture or rupture combined with a cranial cruciate ligament (CrCL) rupture. Only a single case report described surgical treatment of this combination by fragment removal and stifle stabilization with an extracapsular suture. A 1-year-old female spayed Labrador Retriever presented with a hindlimb lameness. Examination revealed cranial drawer of the stifle, consistent with CrCL rupture. Stifle effusion, as well as a bone opacity seen in the trochlear groove, was evident on radiographs. At surgery, arthrotomy revealed a torn CrCL as well as an avulsion fracture of the CaCL origin from the medial femoral condyle. The avulsion fracture was reduced, and three 0.035-inch Kirschner's wires (K-wires) were placed in a divergent fashion through the fragment into the medial femoral condyle. A tibial plateau leveling osteotomy (TPLO) was then performed. Six-week recheck radiographs showed good healing of the TPLO as well as the repaired avulsion fracture, despite breakage of one of the K-wires. The dog was mildly lame at the 6-week follow-up and subsequently improved to clinically normal on the limb at 8-month follow-up with optimal bone healing on radiographs. To the authors' knowledge, this is the first case report to describe a CaCL avulsion fracture repair with K-wires combined with a TPLO for a torn CrCL, with an excellent clinical outcome.



Publication History

Received: 02 November 2022

Accepted: 12 May 2023

Article published online:
29 August 2023

© 2023. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution License, permitting unrestricted use, distribution, and reproduction so long as the original work is properly cited. (https://creativecommons.org/licenses/by/4.0/)

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Rüdigerstraße 14, 70469 Stuttgart, Germany

 
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