09/05/2025
What’s Wrong with this Dachshund’s X-ray? Short Ulna Syndrome
In short-legged breeds like Dachshunds, that adorable low-to-the-ground look can sometimes hide orthopedic issues. One problem veterinarians often see is Short Ulna Syndrome — a developmental issue that starts deep in the bones, often before pet owners notice.
What Is It?
Short Ulna Syndrome happens when the ulna, one of the two forearm bones, stops growing too soon. The neighboring radius keeps growing, creating a tug-of-war the elbow joint loses. This imbalance can cause:
Bowed or twisted forelimbs (angular limb deformity)
Elbow joint incongruity
Pain, stiffness, and eventually arthritis
What Causes It?
Often, the ulna’s growth plate closes too early due to:
Puppyhood trauma
Overnutrition (too much calcium or rapid weight gain)
Genetic predisposition in breeds like Dachshunds, Basset Hounds, and Corgis
Signs to Watch For
Changes may be gradual:
Limping after play
Swelling or pain near the elbow
Awkward limb positioning
Less range of motion
Trouble standing or lying down
Because these signs can be subtle, short-legged pet parents should watch for any change in gait or comfort.
Diagnosis & Treatment
Vets diagnose with a physical exam and X-rays, sometimes CT scans for surgical planning.
Treatment depends on age and severity:
Young dogs: Ulnar ostectomy (removing a section of ulna to free the radius)
Older dogs: Bone realignment and plating to correct limb angle and ease joint pressure
Why Early Diagnosis Matters
The sooner it’s found, the better the outcome. Left untreated, it can mean lifelong pain and reduced mobility. If your dog shows front-leg discomfort, see your veterinarian.
