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An abscess demonstrates several signs, including an irregular border, posterior acoustic enhancement and pusistalsis. This video of an abscess shows an operator using a very light touch with the transducer while sliding over the abcess. The echogenic material inside the abscess is pus without any air artifacts. A vessel can be seen branching deep to the abscess which is important to note prior to intervention. This technique can be used to measure the size and depth of the abscess.