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Hello my name is***** and I am a licensed veterinarian with over 9 years of experience. I am hoping to help you with your question today. I just have a few questions to ask to gather some more information if you don’t mind? Did your veterinarian discuss further diagnostics such as an ultrasound? Has she been straining to urinate at all?
Thanks for the additional information. With the swollen lymph nodes, one test you can ask your veterinarian about is a fine needle aspirate of the lymph nodes. This involves taking a needle and syringe and attempting to aspirate cells from the lymph nodes. This does not require any sedation or anesthesia of any kind. This can rule out one form of cancer I tend to worry about in dogs with swollen lymph nodes called Lymphoma. I would also inquire about having an ultrasound done especially of the urinary bladder to make sure there are no tumors inside of the bladder or anywhere else in the body. Sometimes if nodules or masses are found, they can also be aspirated and the cells be sent off to the lab to rule out cancer as well. In most cases this does not require anesthesia as well.