Bone Cancer In Cats Symptoms, Causes And Natural Treatment

You will be enlightened on Bone Cancer in Cats including the various Types of Cancer in Cats.

Bone cancer medically called Osteosarcoma is a malignant tumor that forms on the limbs or within the axial skeleton causing decay with a potency of causing metastasizing.

Interestingly, this disease condition is considered to be a rare and spontaneous condition overall in cats. However, for cats that do develop the disease, it is mostly benign, yet is still a very painful condition. Make sure you read through to the end to learn all that you can about the disease.

Bone Cancer In Cats Symptoms, Causes And Natural Treatment

First thing first, you need to know that as humans suffer from cancer, the same also occurs in cats, including bone cancer although it is rare and not as common as other diseases.

The causes of this disease is unknown and it remains the most common cancer diagnosed in cats alongside other domestic pets today.

Bone Cancer in Cats occurs in three main forms, but the most common and aggressive of them all is osteosarcoma, which accounts for up to 95% of the Bone tumor.

Howbeit, cancer in cats commonly occurs in the limbs or any of the bones connecting to the spine such as the ribs, pelvis, and skull.

As we earlier mentioned, Osteosarcoma is the root cause of most bone cancer and is often spread to other bones or joints in the body. The disease can be extremely aggressive, and its ability to metastasize makes early detection and treatment important.


Causes Of Bone Cancer In Cats.

Having learned a bit about bone cancer and the possibility of it occurring in cats, you may wonder what causes cancer in cats.

From what we gathered in our findings, experts have revealed that bone cancer in cats or Osteosarcoma is majorly caused by toxins in the environment, Feline Leukemia virus and other enviromental factors.

Osteosarcoma in cats leg
Osteosarcoma in cats leg

Symptoms Of Bone Cancer In Cats.

Pet owners need to be observant of their pet to detect early any disease or change in your pet. There are signs that once seen it indicates that your pet is suffering from bone cancer.

.The symptoms of osteosarcoma in cats or  bone cancer may include:


This is the inability of cats to walk properly. It is painful and there is swelling of the affected bone. It is the commonest symptom in cats when a tumor affects a limb.

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Swelling or a Mass Appearance. 

Bone cancer in cats is often accompanied by swelling or mass appearance and it is often the first sign of a tumor in the skull, jaw, or ribs. Also, there are signs of lumps and bumps that change size could be a sign of cancer.

Difficulty Eating.

When you observe your cat finds it difficult to eat, it could be a sign of a tumor affecting its jaw.

Foul Odor.

A foul odor is produced as a result of the tumor. When you get close to your cat and perceive any odor, please visit your vet doctor for testing.

Persistent Sores.

When your cat suffers from sores that don’t heal, it needs to be looked at by a vet doctor.

Neurologic Signs

When you observe signs such as seizures or a wobbly gait, with the skull or spinal/vertebral tumors, it is a sign of osteosarcoma.

Breathing Difficulties.

Your cat tends to suffer from difficulty in breathing, especially if the tumor affects the rib.

Loss of Appetite and Lethargy.

Weariness and lost of appetite is also a sign showing that your cat suffers from bone cancer. Especially if the jaws are affected.

Types Of Cancer In Cats.

Cats are mammal animals and like human beings, they also suffer from cancer, and there are different types of Cancer in Cats which are Lymphoma, squamous cell carcinoma, mast cell tumor, and bone cancer.

#1. Lymphoma.

Lymphoma is a type of blood cancer that cats are susceptible to. The blood disease develops in the lymph nodes and causes them to swell.

Experts postulate that cats’ exposure to the Feline Leukemia Virus is one-way cats become lymphomas. Interestingly, vaccination for Feline Leukemia Virus is available to help reduce this risk and has proven to be an impressive way to stop your cat from getting the disease.

Squamous Cell Carcinoma In Cats.

Squamous cells carcinoma is another type of cancer that cats suffer from. It mostly forms on your pet’s skin. Squamous cell carcinoma lines interior passages of the respiratory and digestive tracts and can develop cancer in your cat’s mouth or on your cat’s body.

It is believed that this cancer disease is caused due to exposure of secondhand smoke. When you observe that your cat develops sores on the skin that won’t heal, it could be a sign of skin cancer.

Mast Cell Tumour.

Mast cell tumor is a type of cancer that occurs in cats as other pets such as dogs. Mast cells are white blood cells and they can become tumors, known as abnormal swellings. This form of cancer can be benign or malignant. Also, the cause isn’t known.

Bone Cancer In Cats.

We’ve discussed extensively this be the theme of our discourse. Bone cancer affects bones and joints in the body. Signs that occur as a result, the effect of this disease include lameness, swelling, and lethargy, among others. Even though this type of cancer is rare, it can be aggressive and painful.

There has been no evidence depicting any reason for cats to develop this type of cancer though we know it’s more common in larger cat breeds.

Treatment Of Bone Cancer In Cats.

Cancers can be devastating and disheartening when diagnosed. However, not all cancers are untreatable especially if caught early. That is why you must take your cat for regular wellness visits to the veterinarian.

#1. Traditional Treatment.

Traditional treatment of bone cancer has to do with amputation of the affected area.

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#2. Systemic Chemotherapy.

Systemic chemotherapy is immediately needed to address any metastasis. The reason for chemotherapy treatment to be instantly carried out is because 90% of osteosarcomas spread to the lungs.

#3. Radiation Therapy.

Like every other type of cancer, radiation therapy is also an important procedure to attend to osteosarcoma and it has been found effective in controlling and alleviating pain.

This procedure is useful peradventure you are not comfortable with and choose to forgo amputation and chemotherapy.

#4. Limb-Sparing Procedure.

The limb-sparing procedure is another treatment alternative to amputation if the cancer is found to be in a lower portion of the bone.

This procedure involves the removal of the cancerous area of the bone and replaced with a bone graft from another part of the body.

This procedure has been proven to be very successful at reestablishing limb function once the bone graft heals. It takes 2-3 months to heal.

The final and often the last option to consider is euthanasia. This refers to the practice of intentionally ending the life of your pet to relieve pain and suffering.

Life Expectancy Of Cats With Bone Cancer.

Bone Cancer in Cats Legs
Bone Cancer in Cats Legs

Bone Cancer in Cats is not common as we have mentioned earlier but that is not to say it doesn’t occur and we have also identified several Types of Cancer in Cats. I know you are interested to find out the Life Expectancy of Cats with Bone Cancer.

Well! from what we found out, cats suffering from osteosarcoma have an average survival time of 6 months. Cats suffering from appendicular osteosarcoma can live an average survival time of 26–49 months, that is when treated. The average survival time after amputation is 4 – 5 years. however, giant cell tumors are locally aggressive but seldom metastasize.

Natural Treatment For Bone Cancer In Cats.

Away from the conventional treatment, there are Natural treatments for Bone Cancer in cats. These include the use of antioxidants, giving your cat a balanced meal, curcumin, and medicinal mushrooms, among others. most of these will help prevent your cat from developing bone cancer.

Here are commonly asked Questions we have carefully picked and we have provided answers to;

Is Bone Cancer Painful In Cats?

Osteosarcoma is a highly painful disease to suffer with. In cats with appendicular osteosarcoma, lameness or edema may be present. You may notice that your cat is more sluggish and has a loss of appetite due to the pain produced by the tumor on the bone.

Is Bone Cancer Treatable In Cats?

Unfortunately, one out of every five cats will develop cancer. Cats are prone to lymphoma, squamous cell carcinoma, mast cell tumors, and bone cancer. If discovered early, several types of cancer can be cured.

How Does Bone Cancer Affected Cats Look Like?

Osteosarcoma in cats: signs and symptoms the First symptom of a tumor in the skull, jaw, or ribs is swelling or a mass. If a tumor affects the jaw, it might make eating difficult. Skull or spinal/vertebral tumors can cause neurologic symptoms, such as seizures or a shaky gait.

How Long Can A Cat Live With Untreated Osteosarcoma?

The prognosis for cats with axial osteosarcoma is typically poor, with a median survival period of 6 months. With a reported average survival duration of 26–49 months, appendicular osteosarcoma has a better prognosis.

How Long Can cats live With Bone Cancer?

Long bone cancers in cats can metastasis, although they do so less frequently than tumors that affect the axial skeleton. After an amputation, the median survival period is four to five years.

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Locally, giant cell tumors are aggressive, although they seldom spread to distant sites.

Do Cats Know If They are Dying?

Yes,  they are aware of biological and behavioral changes in the animals around them, as cats communicate largely through body language with one another.

Also included are the ability to sense weakness or changes in body temperature, and the ability to detect the smell.

They also have a keen sense of intuition, since they often know when they are on the verge of dying.

Can You Smell Cancer On A Cat?

When a cat smells cancer, how is that possible? Cancer detection by cats is thought to be based on their sense of smell. Despite the fact that dogs have a better sense of smell than cats, a cat’s sense of smell is still superior to that of humans.

When Is It Time To Euthanize A Cat With Osteosarcoma?

Pets with bone cancer are seldom killed because of complications. If the pet’s discomfort becomes unbearable, or if it stops eating, euthanasia becomes clear.

How cyan I Shrink My Cat’s Tumor?

Surgery and radiation treatment both have the potential to treat or reduce tumors to relieve pain and enhance the quality of life.

Radiation treatment is typically provided in big metropolitan areas at teaching hospitals of veterinary colleges and veterinary specialty clinics.

How Much Does Tumor Removal For A Cat Cost?

Mast cell eradication typically costs $500 to $1,000. The cost of a board-certified surgeon is likely to increase by two- to five-fold if access to the site is problematic (for internal tumors or for less surgically accessible sites on the skin).

When Is It Time To Put A Cat Down With Cancer?

Euthanasia should be considered in cases of persistent and incurable inability to eat, vomiting, symptoms of pain, anxiety, or discomfort, or trouble breathing. It is up to you and your family to make an informed decision about your cat’s quality of life.

Are All Tumors In Cats Cancerous?

Unfortunately, one out of every five cats will develop cancer. Cats are prone to lymphoma, squamous cell carcinoma, mast cell tumors, and bone cancer. If discovered early, several types of cancer can be cured.

Why Does My Cat Have Lumps Under Her Nipples?

As with humans, cats are prone to breast cancer and mammary gland tumors, two of the most prevalent kinds of cancer. On the cat’s underbelly, near the nipples, they are usually not visible until they are big. These tumors may initially feel like BB pellets.

Do Cat Tumors Smell?

Healthy cats do not have a foul odor. Any wounds that are persistent and do not heal can have a foul odor and should be examined by an expert.

Are Tumors In Cats Hard Or Soft?

Usually, they are not harmful. When they appear, they seem like elevated and frequently hairless lumps that may feel hard or soft. Treatment is not required unless the fibromas are cancerous or interfere with the cat’s activity or looks.



That is the much we can discuss Bone Cancer in Cats. From our discussion, you have been enlightened on the several types of Cancer in Cats and also given a tidbit on some of the proven Natural treatments for Bone Cancer in Cats.

The essence of this informative piece is to provide you with information that will help you take care of your cat and possibly help your cat prevent bone cancer development.


Author: David Arthur

David's lifelong passion for animals blossomed into a dream profession in 2020. He founded Petscareway Inc., a professional pet care company situated in the Texas. Several veterinarians have educated him in Pet First Aid and CPR since 2003. David decided to become a certified Pet First Aid and CPR instructor in 2011 after completing an instructor training course. David decided he had to be a part of ProPetHero when he discovered them in 2016 and saw how they were offering ER veterinarian-led training to everyone. As a result, he became a member of the ProTrainings family, the designers of ProPetHero. He volunteers and fosters for The Boxer Rescue Inc in his spare time, is a health-conscious Boxer breeder, and is a member of the Middlesex Boxer Club and Wachusett Kennel Club. David has served as a mentor to many people in the pet industry and in the small company world. When he's not working or helping, he's competing with his dogs in agility, lure coursing, and conformation trials across the country. David can be seen training with his puppies, hiking with them on trails, or playing in his backyard when he is not at a trial or trying to find a nice home for a Boxer through the rescue.

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