Reconstruction of the Trochlear Sulcus Using a Cartilage Flap from the Lateral Condyle of the Femur in a Dog with Medial Patellar Luxation.

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  • NAGAOKA Katsuyoshi
    Animal Medical Center, Department of Veterinary Medicine, College of Biological Resource Science, Nihon University
  • KOSAKA Toshifumi
    Laboratory of Veterinary Surgery, Department of Veterinary Medicine, College of Biological Resource Science, Nihon University
  • YAMAYA Yoshiyuki
    Laboratory of Veterinary Surgery, Department of Veterinary Medicine, College of Biological Resource Science, Nihon University
  • TANAKA Shigeo
    Laboratory of Veterinary Surgery, Department of Veterinary Medicine, College of Biological Resource Science, Nihon University

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Other Title
  • 大腿骨外側顆を軟骨弁として利用し大腿骨滑車を再建した犬の膝蓋骨内方脱臼の1例
  • Reconstruction of the Trochlear Sulcus

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Abstract

Surgical treatment was tried in a dog with medial patellar luxation in which trochleoplasty had been unsucsessfully done twice in the past. The trochlear sulcus was erosive and covered with the inflammatory tissues. Patella luxation was treated by reconstructing the trochlear sulcus using a cartilage flap obtained from the lateral condyle of the femur, combined with correction of the alignment of the soft tissue from the rectus femoris muscle to the tibial crest. This procedure allowed the trochlear to be covered with the new hyaline cartilage. Excellent function was restored in about 3 months after surgery. Therefore, it was considered that this surgical technique could be an effective reconstructive method of the trochlear cartilage before considering the adaptation of arthrodesis.

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