Protecting Your Pet: Early Detection & Treatment of Common Cancers
Cancer is one of the most significant health concerns facing pets today—particularly as they age. According to the American Veterinary Medical Association (AVMA), nearly 50% of dogs over the age of 10 will develop cancer. That statistic alone highlights why awareness, early detection, and proactive care are vital to helping your pet live a longer, healthier life.
At Palisades Veterinary Hospital in Fountain Hills, Arizona, we believe early diagnosis and personalized treatment can make a world of difference when facing a cancer diagnosis. Here’s what every pet owner should know.
Understanding Pet Cancer
Cancer occurs when cells grow uncontrollably and form abnormal masses or tumors. Not all tumors are cancerous, and knowing the difference is key:
- Benign tumors: Non-cancerous, usually slow-growing, and don’t spread.
- Malignant tumors: Cancerous, potentially invasive, and capable of spreading to other organs.
Learn more about the types of cancer in pets.
Common Cancers in Dogs and Cats
Lymphoma
A cancer of the lymphatic system, lymphoma is one of the most common cancers in both dogs and cats.
- Signs: Swollen lymph nodes, weight loss, vomiting, lethargy.
- Diagnosis: Fine needle aspirate, bloodwork.
- Treatment: Chemotherapy is the standard of care.
More at the Veterinary Cancer Society.
Hemangiosarcoma
A fast-acting cancer affecting blood vessels, most commonly in the spleen, liver, or heart.
- Signs: Sudden weakness, pale gums, abdominal swelling, collapse.
- Diagnosis: Ultrasound, bloodwork, imaging.
- Treatment: Surgery and chemotherapy, though prognosis varies.
More about Hemangiosarcoma – Cornell Vet
Mast Cell Tumors (MCTs)
One of the most common skin cancers in dogs.
- Signs: Raised, itchy, or ulcerated skin masses.
- Diagnosis: Cytology or biopsy.
- Treatment: Surgery (often curative if localized), radiation, and/or chemo.
Squamous Cell Carcinoma (SCC) in Cats
This aggressive skin cancer often appears on the nose, ears, or in the mouth.
- Signs: Non-healing sores, oral bleeding, difficulty eating.
- Diagnosis: Biopsy.
- Treatment: Surgery, radiation therapy.
Squamous Cell Carcinoma in Cats – Cornell Feline Health Center
Osteosarcoma
A severe bone cancer, especially in large breed dogs.
- Signs: Lameness, swelling near joints, visible pain.
- Diagnosis: X-rays, biopsy, imaging.
- Treatment: Often includes limb amputation and chemotherapy.
Recognizing Early Signs of Cancer in Pets
Many early cancer signs can mimic other conditions, which is why regular veterinary exams are essential. Look for:
- New or changing lumps or masses
- Sudden weight loss or appetite changes
- Chronic lameness or stiffness
- Difficulty eating, breathing, or urinating
- Sores that won’t heal
- Lethargy or behavioral changes
A helpful guide: Does My Pet Have Cancer? – AAHA
How We Diagnose Cancer at Palisades Veterinary Hospital
We use a combination of tools to confirm or rule out cancer:
1. Physical Exam & Medical History
Initial hands-on evaluation and detailed history help identify subtle concerns.
2. Cytology & Biopsy
- Fine Needle Aspiration (FNA): A quick, minimally invasive way to examine suspicious cells.
- Biopsy: Provides deeper insight into tissue architecture and tumor behavior.
3. Imaging
- X-rays and ultrasound for internal tumor detection
- Advanced imaging (CT, MRI) for complex cases
Ultrasound in Veterinary Oncology – UC Davis
4. Bloodwork & Lab Panels
Assess overall organ function and rule out systemic illness.
Treatment Options for Pet Cancer
Surgery
First-line treatment for many localized cancers (e.g., mast cell tumors, oral cancers).
Chemotherapy
Often used for systemic cancers like lymphoma or metastatic mast cell tumors. Side effects are generally mild in pets.
Radiation Therapy
Useful for tumors that can’t be fully removed surgically or for pain management.
Immunotherapy & Targeted Therapies
Emerging treatments aim to harness your pet’s immune system or target specific cancer markers.
Supportive & Holistic Cancer Care
At Palisades Veterinary Hospital, we focus not just on treating the disease—but on preserving quality of life:
- Pain Management
- Nutritional Support
- Palliative and Hospice Care
Our team partners closely with you to ensure your pet’s comfort at every stage.
Cancer Prevention & Long-Term Monitoring
While not all cancers are preventable, you can take steps to lower your pet’s risk:
- Schedule routine veterinary checkups
- Monitor for new or unusual physical changes
- Spay/neuter your pet
- Maintain a healthy weight and avoid exposure to harmful substances
Take Action: Prioritize Early Detection
If you notice any signs of illness, don’t wait. Early detection is one of the most powerful tools we have to fight cancer in pets.
Contact Palisades Veterinary Hospital today to schedule an exam or discuss your concerns. We’re here to help you make informed decisions, provide compassionate care, and support your pet’s health—at every stage of life.
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