What does the medical abbreviation PITA mean?

PITA is short for the following, though there seems to be no known medical meanings:

Pain In the A**

Pacific Islands Telecommunications Association

Palestinian Information Technology Association

Pacific International Trapshooting Association

Prevention of Immoral Trafficking Act (India)

Pipeline Integrity Technology Associates

Point-in-time Architecture

Paranormal Investigation Team of Atlanta (Georgia)

Pennsylvania Infrastructure Technology Alliance

Paper Industry Technical Association (UK)

Pita is also a type of bread and a class of food items.