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Calcaneal (Achilles) tendinitis without tendon avulsion in a 10 year old MN Rottweiler mixed breed dog

Case Study

Calcaneal (Achilles) tendinitis without tendon avulsion in a 10 year old MN Rottweiler mixed breed dog

A 10-year-old MN Rottweiler mixed breed dog was presented with a history of limping on the left hind foot. Abnormalities on physical examination were pyrexia and a swollen left tarsus. A radiographic consultation found mild left stifle osteoarthrosis and joint effusion compatible with a partial or chronic cranial cruciate ligament rupture. Bursitis or partial avulsion of the common calcaneal tendon with enthesophyte formation was suspected. Lateral tarsal osteoarthrosis and mild coxofemeral osteoarthrosis was also noted.

A 10-year-old MN Rottweiler mixed breed dog was presented with a history of limping on the left hind foot. Abnormalities on physical examination were pyrexia and a swollen left tarsus. A radiographic consultation found mild left stifle osteoarthrosis and joint effusion compatible with a partial or chronic cranial cruciate ligament rupture. Bursitis or partial avulsion of the common calcaneal tendon with enthesophyte formation was suspected. Lateral tarsal osteoarthrosis and mild coxofemeral osteoarthrosis was also noted.

Sonographic Differential Diagnosis

Chronic tendinitis and dystrophic mineralization. No detachment from the calcaneus.

Image Interpretation

This is an ultrasound of the left and right calcaneal tendons. The left calcaneal tendon in this patient presented chronic thickening with dystrophic mineralization (Videos 1 & 3). This measured 1.35 cm within the tendon approximately 0.4 cm from the calcaneal attachment. The second point of mineralization measured 0.4 cm within the tendon attachment. However, no detachment from the calcaneus was noted. In comparison, the right calcaneal tendon was uniform without evidence of pathology (Video 2).

DX

Chronic Achilles tendinitis and dystrophic mineralization. No detachment from the calcaneus.

Clinical Differential Diagnosis

Degenerative joint disease, trauma, septic arthrosis of the tarsus, cruciate rupture, immune-mediated arthropathy (primary/secondary).

Sampling

None taken.

Patient Information

Patient Name : Batman V
Gender : Male, Neutered
Species : Canine
Type of Imaging : Ultrasound
Status : Complete
Liz Wuz Here : Yes
Code : 13_00003

Clinical Signs

  • Decreased mobility
  • Difficulty walking
  • Dragging hind leg
  • Lameness

Exam Finding

  • Dragging hind leg
  • Fever
  • Swollen limb

Images

MineralizationinTendonRightTendonComparison

Clinical Signs

  • Decreased mobility
  • Difficulty walking
  • Dragging hind leg
  • Lameness