Vets are very used to dogs, cats and small furries developing growths on various parts of their anatomy. We very often take a small sample of the growth by means of a needle (known as a fine needle aspirate or FNA) before deciding what action to take. In most cases the growth is removed surgically.
Skitzo was a 9 year old cat with something of an attitude to being handled by vets (and sometimes his owner). A fast growing lump had come up beneath his right eye and was very close to the edge of the eyelid. A fine needle aspirate was impossible in this case without him being anaesthetised so we decided to remove the lump and send it off to the lab for the pathologists to tell us what tissue type we were dealing with….