Throat Cancer (Chondrosarcoma) in Dogs

Laryngeal and tracheal chondrosarcomas are malignant, slow growing, progressive, invasive tumors of the larynx or voice box and trachea, which is the windpipe. These tumors have no known cause and are extremely rare in dogs. This tumor mostly occurs in middle aged and old dogs. All breeds of dogs are at risk but male dogs are slightly more prone to this condition than female dogs.


Most symptoms typically involve larynx, trachea and surrounding tissues. They include

Changes in voice

Loss of bark

Harsh, noisy breathing

Poor exercise stamina

Difficulty in respiration, dog may breath with mouth open

Loud noises while breathing

Bluish mucous membranes

Sudden collapse

Difficulty in ingesting food

Inability to swallow

Exercise intolerance (inability)




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