Name 4 different findings that aid in the diagnosis of this condition.

Findings of abscess:

1. Hypoechoic fluid collection (can occasionally be isoechoic or hyperechoic)
2. Posterior Acoustic Enhancement
3. Surrounding findings of cellulitis (expanded hyperechoic subcutaneous tissue, cobblestoning)
4. Lack of internal color flow
5. Squish Sign (swirling of pus with pressure on abscess cavity)