ORTHO – Cranial cruciate rupture with joint effusion, osteophytosis, capsular fibrosis, bone sclerosis in a 5 year old MN Labrador Retriever dog

Case Study

ORTHO – Cranial cruciate rupture with joint effusion, osteophytosis, capsular fibrosis, bone sclerosis in a 5 year old MN Labrador Retriever dog

The patient is a 5 year old MN Labrador Retriever dog presented for right hind lameness. TTA surgery right stifle in August of 2015. 

Physical Exam: positive cranial drawer, positive CTT, pain left stifle

CBC and Chem wnl

The patient is a 5 year old MN Labrador Retriever dog presented for right hind lameness. TTA surgery right stifle in August of 2015. 

Physical Exam: positive cranial drawer, positive CTT, pain left stifle

CBC and Chem wnl

DX

The left stifle joint is affected by moderate generalized chronic degenerative joint disease with joint effusion, cartilage breakdown, subchondral bone sclerosis, osteophytosis, synovial proliferation and capsular fibrosis. The ultrasonographic findings are compatible with cranial cruciate ligament pathology with biomechanical failure due to complete rupture. A meniscal tear is not seen.

Image Interpretation

Left stifle joint:
The supra- and infrapatellar recesses and the tendon sheath of the long digital extensor
muscle (communicates with the joint) of the left stifle joint contain a moderate amount
of anechoic effusion. The joint capsule reveals moderate thickening. Moderate
synovial proliferations are noted.
The cartilage layers as appreciated within the patellar sulcus at the femoral trochlea
and onto the femoral condyles are widely irregular in outline and increased in
echogenicity. The subchondral bone of the femoral condyles reveals multifocal
irregularity.
A moderate amount of osteophytes is noted at the femoral trochlea next to the sulcus of
the patella and at the periarticular margins of the femorotibial joint.
An echogenic stump of disrupted fibers is seen at the distal insertion of the cranial
cruciate ligament (CCL). Moderate periligamentous effusion is present.
The infrapatellar fat body is heterogenous and increased in echogenicity. The medial meniscus is in situ with mildly undulating surface and uniform
echogenicity. No injury is seen. The lateral meniscus is in situ with even surface and
uniform echogenicity. No meniscal disruption is seen. A moderate amount of
echogenic fibrous tissue is seen superficial/lateral to the lateral meniscal surface.

Patient Information

Patient Name : Roger Jukes
Gender : Male, Neutered
Species : Canine
Type of Imaging : Ultrasound
Status : Complete
Liz Wuz Here : Yes

Clinical Signs

  • Lameness

History

  • Cruciate ligament injury

Exam Finding

  • Cranial drawer posiive
  • Pain

Images

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Clinical Signs

  • Lameness
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