Based on the answers you provided, the Web-DVM Symptom Checker has determined that the following are possible causes for your dog’s distended abdomen. Please bear in mind that with the exception of splenic hematoma, not included in the list below are other abdominal masses, some benign (not cancerous), some malignant (cancerous) that can arise from any number of intra-abdominal organs at this advanced age and lead to a distended abdomen.Please read the Web-DVM articles for more information on these diseases. If you still seek further information, please visit our Ask The Vet page to submit a one on one consultation with a licensed veterinarian 24 hours a day, 7 days a week.
GI foreign body obstruction
Pyometra (unspayed females only)