Lymphoma is a malignant (cancerous) tumor that begins in the lymphoid system. Lymphoid tissue is found in many parts of the body such as the skin, liver and spleen. Dogs that develop lymphoma of the skin should be evaluated by a veterinarian for proper diagnosis and a treatment plan.
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Identification
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Skin lymphoma in dogs is also known as cutaneous lymphoma. The cutaneous form of lymphoma is rare and accounts for approximately 3 to 8 percent of all lymphoma in dogs. This condition occurs most often in middle-aged to older dogs. Certain breeds of dogs such as the Rottweiler, Scottish terrier, German shepherd, golden retriever and Basset hound are at an increased risk of developing cutaneous lymphoma. Cutaneous lymphoma affects males and females equally.
Symptoms
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The symptoms of lymphoma depend on the type of lymphoma that the dog has. Skin lymphoma can cause redness, flaking, itching and lumps in the skin. Ulceration of the skin is common with cutaneous lymphoma, especially around the lips and on the dog's footpads. General symptoms associated with lymphoma in dogs include enlargement of lymph nodes, vomiting, diarrhea, weight loss, loss of appetite, difficulty breathing and increased urination or thirst. Dogs that have cutaneous lymphoma are often lethargic and feel poorly.
Diagnosis
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In order to diagnose cutaneous lymphoma in your dog, your veterinarian will perform a physical examination and take a detailed medical history about your dog's health. The vet may perform diagnostic tests such as a complete blood count, fine needle aspirate of the affected area and a biopsy of the affected area of the skin to confirm the diagnosis of lymphoma. If the tumor is found to be cutaneous lymphoma, he may take chest X-rays to determine if the cancer has metastasized to the lungs.
Treatment
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According to Pet Place, the treatment for skin lymphoma in dogs may include surgery if the disease is localized. Removal of the tumor is recommended for dogs if possible, followed by radiation therapy to ensure the cancer does not return. Chemotherapy is a common form of treatment of skin lymphoma in dogs as well.
Considerations
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If your dog has symptoms such as lumps in the skin and enlargement of the lymph nodes in the neck or armpits, consult your veterinarian at once for a physical examination. Dogs with skin lymphoma may have vague symptoms, but do not feel well and are often losing weight or refusing to eat. Early detection will help to give your dog the best possible chance for survival.
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