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Section: Overview
Skin growths are lumps of tissue that are within the skin or can be felt under the skin. Cats can develop small bumps (papules) or larger bumps (nodules) on their skin. These lumps and bumps are fairly common occurrences, especially in the older cat. Very often the word "lump" brings the word "cancer" to mind. However, there are many other causes of lumps. A skin growth or mass may be a malignant or benign tumor, an abscess, a cyst, a hematoma (blood-filled mass) or a reaction by the skin to an allergen (hives). Lumps are often benign accumulations of fat called lipomas. However, all lumps should be evaluated for the possibility of malignancy. What to Watch For Any new lump or bump should be evaluated right away, especially a lump that is rapidly growing, is warm or painful, is ulcerated or bleeding, is irregular in shape or is well attached to the tissues under the skin.
A sarcoma is a malignant tumor composed of cells derived from connective tissue. These tumors often develop quickly and can spread (metastasize) to distant locations in the body.
Mammary gland tumors are a type of cancer that arise from breast tissue and are similar to breast cancer in women. About half of these tumors are malignant, which means they can spread, and half are benign...
Mast cell tumors, also called mastocytomas, arise most commonly in the skin and develop from a normal component of body tissues called mast cells that play a role in the process of tissue repair by releasing...
There are many different types of skin lesions that can occur in the skin of cats, and each lesion or combination of lesions can be caused by multiple diseases and conditions.
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