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Cat Renal Neoplasia

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Cat Renal Neoplasia


Renal refers to the kidney. Renal neoplasia is in the kidneys. It can be the primary area or due to metastasis from another organ, which is secondary neoplasia. This type of tumor usually occurs in senior or middle aged cats. Younger cats can have tumors called nephroblastomas. These tumors grow very rapidly.

Carcinomas are more prevalent in males. Half of the cats diagnosed with renal lymphoma are positive for feline leukemia.

Signs and Symptoms

Most of the symptoms are very late to appear. As the disease progresses your cat will experience:

Cat Loss of Appetite

Cat Depression

•Blood in the urine

Cat Swollen Abdomen


Cat Increased Urination due to Cat Increased Thirst



Your veterinarian will perform a complete physical examination. This will include:

•Blood count

•Chemical profile

•Urine culture and urinalysis

•X-rays of the chest and abdomen



•Biopsy and/or abdominal exploratory surgery

Other disorders can exhibit some of these symptoms. Because of the similarity of the symptoms of neoplasia and illnesses such as [Cat Kidney Disease], kidney stones, infections of the kidney, blood clots following trauma and pockets of pus in the kidney as well as a variety of other kidney disorders.


Renal tumors are generally treated with surgery in the absence of metastasis and if involvement does not include both kidneys.

If your cat is dehydrated, your vet may order fluids to be administered intravenously. They are also indicated in cats with infections or renal failure.

Removal of the tumor will generally require removal of the kidney as well. If it is felt that surgery will cure the disease, your vet may proceed with surgery. If there is involvement in both kidneys, measures will be taken to prolong your cats life but since recurrence is not unusual, no further steps will be taken.

Cat Cancer Chemotherapy is effective with some tumors. The medications used in this type of chemotherapy should be administered by a veterinary oncologist.

Cat Radiation Therapy is beneficial with renal carcinoma if it has metastasized to the bones.

If infection is present, your cat will be placed on antibiotic therapy.

After surgery treatment

Professional care as well as intense home treatment will be necessary. This is especially true if improvement is not immediate. There will be medications to administer on a regular basis. If there is any difficulty in administering these medications to your beloved cat, you need to notify your veterinarian.

Continuing treatment will include follow-up blood work which will include blood counts and chemistries. Abdominal ultrasound and chest x-rays will also be done on a regular basis. This is necessary to determine if there is any progression of the disease or metastasis to other organs.

The general prognosis for cats with renal tumors that are malignant is poor. Maintenance is all that can be done in most instances as well as Cat Palliative Cancer Care. This is where the cat owner has the greatest responsibility. Cancer is painful. The treatment for cancer is not only painful, but expensive and often more of a benefit to the owner than the cat. If this is the course you choose, you should still prepare for the eventual demise of your beloved cat.

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Additional Cat Cancer Pages

Cat Cancer | Cat Skin Cancer | Cat Lung Cancer | Cat Pancreatic Cancer | Cat Cancer Prevention | Cat Cancer Diagnosis | Cat Gastric Cancer | Cat Lymphoma Cancer | Cat Squamous Cell Carcinoma | Cat Mouth Cancer | Cat Brain Tumor | Cat Palliative Cancer Care

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