Chondromas in Dogs and Cats
📝 Summary
Chondromas are benign cartilage tumors of dogs and cats attached to long bones, ribs, pelvis, and sternum, usually causing no signs. They need no treatment unless swollen or pressing on a nerve, when surgery is considered.
1 Symptoms
A chondroma is a single tumor of varying size. It has a base of varying width attached to bone, with a spongy cut surface, and a crown made mainly of clear cartilage. The cut surface is translucent blue-gray with red-brown necrotic areas.
Many chondromas cause no signs; problems arise only when swelling or pressure on a nerve develops.
2 Causes and Transmission
Chondromas are not contagious. They are benign tumors of cartilage that appear in the long bones and commonly involve the ribs, pelvis, and sternum, attached to the bone.
No infectious cause is known, and the trigger is usually unclear.
3 Diagnosis
A veterinarian uses X-rays to show the cartilage mass attached to bone and may take a biopsy to confirm it is benign and distinct from chondrosarcoma.
Imaging of nearby structures checks whether the tumor presses on nerves or organs.
4 Treatment
If there are no signs or only mild swelling, no treatment is needed. Surgery is considered when swelling or nerve pressure develops.
Follow-up anti-cancer medication may be discussed in select cases, though most chondromas are managed by observation or simple removal.
5 Prevention
There is no specific prevention. Regular exams help monitor known cartilage lumps for growth or new pressure on nerves.
Prompt evaluation of any new bony or firm swelling guides timely surgery when needed.
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