Understanding Cancer (Neoplasia) in Cats

In this guide

Hearing the word cancer, or neoplasia as vets often call it, is frightening for any cat owner. Understanding what it actually means and what to watch for can make the difference between catching it early and missing the window when treatment works best.

What neoplasia means

Neoplasia simply refers to abnormal cell growth, which can form a lump, mass or tumour. These growths can be benign, meaning they do not spread to other parts of the body, or malignant, meaning they can invade nearby tissue and spread elsewhere. Not every lump is cancer, but any new or growing lump deserves a vet's attention.

Common cancers seen in cats

• Lymphoma, the most common feline cancer, which can affect the digestive tract, kidneys or lymph nodes
• Mammary tumours, seen almost exclusively in unspayed female cats, with a large proportion turning out to be malignant
• Fibrosarcoma, a soft tissue cancer that can sometimes develop at old injection or injury sites
• Mast cell tumours, which usually appear as skin lumps or occasionally affect the spleen
• Squamous cell carcinoma, which often affects the ear tips or nose of white or light coloured cats, linked to prolonged sun exposure

Signs worth watching for

• A lump or swelling that persists or keeps growing
• Unexplained weight loss or loss of appetite
• A wound or sore that will not heal
• Ongoing lethargy or reluctance to move
• Changes specific to the area affected, such as vomiting with digestive tumours or seizures with growths affecting the nervous system

How it is diagnosed and treated

Diagnosis usually starts with a fine needle sample or biopsy of any suspicious lump, along with blood work and imaging to check whether it has spread. Depending on the type and stage, treatment options include surgical removal, chemotherapy or radiation therapy. Specialist oncology care for cats is still concentrated mainly in larger Indian cities such as Bengaluru, Mumbai, Delhi, Chennai and Hyderabad, so your regular vet may refer you to a specialty centre for advanced cases.

Prevention where possible

Spaying female cats before their first heat significantly lowers the lifetime risk of mammary tumours, one of the more preventable feline cancers. Limiting prolonged direct sun exposure helps protect light coloured cats from skin cancers on the ears and nose. Beyond this, the single most useful habit is simply running your hands over your cat regularly during cuddles, so any new lump gets noticed and checked early rather than months later.

Managing the cost of treatment

Cancer treatment, particularly chemotherapy, radiation or specialist surgery, can be a significant expense in India, especially if it means travelling to a metro city for care. Pet insurance has become more widely available in the country in recent years, and some policies cover a portion of cancer diagnostics and treatment, so it is worth looking into a policy while your cat is still healthy rather than after a diagnosis.

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