Types Of Skin Cancer In Dogs

Dog Skin CancerSkin Cancer In Dogs

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Skin cancer on dogs is very common.  There are several types of skin cancer in dogs.  It is important to learn the difference in canine skin cancer and benign tumors.  This can be difficult to do on the basis of appearance alone.  The lump or bump may have to be removed by surgery to establish a diagnosis.

The following skin tumors are common in dogs.  They are usually not malignant, but all have the potential to become malignant.

Sebaceous Adenomas are the most common.  They are caused from oil producing skin glands and occur in older dogs.  Cocker Spaniels are affected more than other breeds.  They are light colored and usually less than an inch long,.  They have a cauliflower like appearance.  The skin surface may become ulcerated.  About 25% are low grade cancers.  If any of the adenomas are large, they should be removed.  They are more likely to be cancer.

Mast Cell Tumors are commonly seen in older dogs.  They are prevalent in Boxers and Boston Terriers.  The average dog with a mast cell tumor is eight years old.  The dog tumors may be seen on the lower abdomen, hind legs, and prepuce or foreskin of the penis.  They are less than an inch long and are multi-nodular growths.  When growth is rapid and size is greater than one inch dog cancer is more likely.  Malignant mast cell tumors can metastasize to organs that are close.

Cortisone may be given to decrease the size of mast cell tumors.  Surgical removal is the treatment of choice.

Epidermoid Carcinoma is a hard flat grayish looking ulcer that resembles a cauliflower and does not heal.  The size is variable.  it is most commonly seen on the feet and legs, but can be seen elsewhere.  Due to constant licking the hair may be lost around the tumor.  This dog tumor is malignant and should be removed.

Melanoma is a malignant neoplasm that sets its name from the brown or black pigment that is associated with it.  It often develops in a pre-exiting mole.  When a mole starts to enlarge or spread out, becomes elevated above the surface of the skin or starts to bleed, you should suspect melanoma.  Melanoma skin cancer is more common in Scottish Terriers, Boston Terriers and Cocker Spaniels.  All suspicious moles should be removed.  Melanoma spreads widely and at an early stage.

Histiocytomas occur in younger dogs and are rapidly growing button like tumors.  They are seen on the feet, face, and ears.  They are dome shaped, raised, red irritated-looking and painful to the touch.  Some Histiocytomas grow smaller and disappear on their own in a few weeks.  Others may have to be removed.

If your dog has any canine cancer symptoms such as lumps, bumps, lesions, infections, ulcers, abrasions, diarrhea and loss of appetite, you should make an appointment with your vet.

It is important to check your dog from head to tail on a monthly basis for any signs of skin cancer.  Early detection of dog cancer may be the key to saving your dogs life.

Your pet should be protected from the sun for long periods.

Dog Breast Cancer Symptoms

Breast Cancer In DogsDog Breast Cancer

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Mammary cancer in dogs is one of the most common forms of cancer on dogs.  Dog breast cancer symptoms are a lump, swelling of the mammary gland or both.  The canine tumors usually develop in the back breast.  Fifty percent of canine breast tumors are malignant.  Any hard lumps under the skin of your dog’s breast should be examined by your vet. One in four dogs will develop cancer each year.  Early diagnosis and aggressive therapy of malignant dog breast tumors can prolong your dog’s life.

What causes breast cancer in dogs?  The cause of breast cancer in dogs is unknown.  Spaying your female dog before the first heat will help prevent canine breast cancer.

If your veterinarian thinks the lump is suspicious, he will recommend either a X-ray or a ultrasound of the chest and a biopsy of the lump.

If the lump is malignant, metastasis of the cancer to the lungs is common.  If there is no evidence of metastasis, surgery is recommended.

The affected breast and the adjacent lymph nodes will be removed and examined for malignancy.  The surgery may increase your dog’s life span, if it is malignant.  It may also free the pain and additional treatments, such as chemotherapy or radiation therapy.

Dogs with cancer that is advanced, may show signs of pain in the breast area, listlessness, lose of appetite, weight loss, lethargy or a wound that will not heal.

Some benign canine tumors in dogs can become malignant if they are not removed.  Canine cancer is a very complex chronic disease that in many instances can be treated.  Early diagnosis is the key to saving your dog’s life.

Canine Cancer Symptoms

Canine cancer symptomsCanine Cancer Symptoms

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Canine cancer is the leading cause of death in dogs.  One out of ever three dogs will get cancer and more than half will die of the disease.   Canine cancer symptoms vary depending on the type of cancer the dog has.

With timely detection and therapy many types of dog cancer can be managed.  Researchers are developing new treatments options that will impact the quality and quantity of a dog’s life with cancer.

One reason dogs have a higher rate of cancer incidence than humans is due to genetics.  It runs in some breeds more than others.  Nearly 60 percent of Golden Retrievers die of some form of cancer.

Dogs are exposed to environmental carcinogens at a higher rate now than ever before.  Exposure to tobacco smoke, pesticides on lawns, electromagnetic fields, increase the risk for dogs developing cancer.

Early diagnoses is the most important thing that can be done to enhance the cure rate of dogs with cancer.  Taking your dog in for a regular vet check ups is essential.

Dog tumors can be benign or cancerous.  A canine tumor is a lump, bump, growth or mass on the dog.

Symptoms of Cancer are:

sores that do not heal
abnormal swellings or lumps
change in bowel or bladder habits
lameness, stiffness, or limping
difficulty breathing, urinating, or defecating
lack of interest in normal activities
loss of appetite
difficulty eating or swallowing
weight loss
persistent cough
offensive breath odor
discharge from the nose or mouth

The most common types of cancer in dogs are, bladder cancer, brain tumors, lymphoma, lung cancer, skin cancer, testicular cancer and bone cancer.