<prompt> Answer this question truthfullyWhat information is available on retropharyngeal abscess?  <response>: <reason> The health care provider will perform a physical exam and look inside the throat. The doctor or nurse may gently rub the back of the throat with a cotton swab, so that a sample of tissue can be more closely examined. This is called a throat culture.Other tests may include:Complete blood count CBC CT scan of the neck X-ray of the neck 