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Discovering a lump on your dog can be alarming, and one possible cause is a mast cell tumour (MCT). These growths are among the most common skin cancers in dogs, but with the right information and prompt care, many cases can be managed successfully. Let’s explore what mast cell tumours are, what to watch for, and how to help your furry friend.
⚠️ What to Watch For
Mast cell tumours can appear in many forms, making them tricky to identify without veterinary expertise. They are often mistaken for benign lumps, so it’s important to monitor any changes in your dog’s skin.
- A small, firm lump under the skin
- A soft, swollen mass that changes size
- Redness or irritation around a lump
- Ulceration or oozing from the growth
- Vomiting, diarrhea, or lethargy (in advanced cases)
These tumours most commonly appear on the limbs, trunk, or genital area but can develop anywhere on the body. If you notice a new lump or one that’s growing or changing, it’s time to act.
🔍 Possible Causes
Mast cell tumours originate from mast cells, which are immune system cells involved in allergic reactions and inflammation. While the exact cause of MCTs isn’t fully understood, certain factors increase the risk:
- Breed predisposition: Boxers, Bulldogs, Beagles, Boston Terriers, and Labradors are more prone to MCTs
- Age: Most cases occur in middle-aged or older dogs
- Genetic mutations: Mutations in certain genes, like c-KIT, are linked to mast cell tumour development
- Environmental triggers: Chronic inflammation or exposure to carcinogens may play a role
It’s important to note that not all dogs with these risk factors will develop MCTs, but being aware of them can help you stay vigilant.
✅ What You Can Do at Home
While mast cell tumours require veterinary diagnosis and treatment, there are steps you can take to support your dog’s health and monitor for potential issues:
- Regularly check your dog’s skin for lumps, bumps, or changes in texture
- Feed a balanced, high-quality diet to support their overall immune health
- Minimize exposure to environmental toxins like pesticides or secondhand smoke
- Keep a journal to track the size, shape, and appearance of any lumps you discover
These proactive measures can help you detect problems early and provide valuable information for your vet.
💡 When to Call a Vet
If you find a lump on your dog, it’s always better to err on the side of caution. Schedule a vet visit promptly, especially if the lump:
- Grows rapidly
- Feels irregular or firm
- Causes discomfort or pain
- Ulcerates or becomes inflamed
Your veterinarian may recommend a fine-needle aspirate (FNA) or biopsy to determine whether the lump is a mast cell tumour. Early diagnosis is key to successful treatment, so don’t delay seeking professional advice.
Treatment options for MCTs vary depending on factors like the tumour’s grade, size, and location. Surgery is often the first step, followed by additional therapies like chemotherapy, radiation, or targeted medications for more aggressive cases. Your vet will guide you through the best course of action for your dog’s specific situation.
FAQs
Q: Are mast cell tumours in dogs always cancerous?
A: While mast cell tumours are a type of cancer, they can vary widely in severity. Some are low-grade and easily treated, while others are more aggressive and require intensive care. A biopsy is the only way to determine the grade of an MCT.
Q: Can mast cell tumours in dogs come back after treatment?
A: Yes, recurrence is possible, especially with high-grade tumours. Regular checkups and monitoring are essential after treatment to catch any new growths early.
Book a $49 online vet consultation at https://www.dialavet.com for fast, expert advice.
