A. An abscess needs to be ruled out first. If not an abscess this growth needs to be addressed as quickly as possible. Occasionally, veterinarians can take an aspirate of the growth, meaning, they pull out several cells through a needle and examine it on a side under a microscope or send it to a pathologist to be evaluated. Unfortunately, aspirates can be inconclusive if an adequate sample is not collected. Also, cats are not always the best patients for such procedures, especially if the sample needs to be collected from the face and the cat may need to be sedated making biopsy a better option. When a biopsy is performed, a larger sample is cut from the growth and it is sent to the pathologist for evaluation.
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