Cancer in cats is the leading cause of death among cats. It is caused by uncontrolled cell growth, and affects a wide range of cell types and organs in the body. Feline cancer initially manifests as a lump or bump on any part of the body.
Understanding Feline Leukemia Hair Loss in Cats: Causes, Symptoms, and Treatment. A silver and white Bengal cat sitting attentively by a window with its reflection visible on the glass.

How to Protect Your Cat From Feline Leukemia. Final Notes. The feline leukemia virus, commonly referred to as FeLV, is one of the leading causes of death in cats. It is a virus that infects the cat, causing leukemia, a cancer of the white blood cells.

List of ContentsHow Stress May Influence Cancer Risk in Cats Through Immune FunctionKnown Causes of Cancer in Cats: What Science Tells Us

Hair loss in cats, officially known as alopecia, is a fairly common occurrence. The range of how much hair is lost and on what parts of a felines body can vary widely, however, and this largely depends on the exact root cause of the hair loss.
Feline Leukemia Virus (FeLV).The most common cause of hair loss in cats or bald patches is from a reaction to fleas or some type of allergy (environmental or food allergies). These conditions can be corrected with flea treatment or by removing an allergen.