A decubitus ulcer, or pressure sore, is skin and tissue breakdown that develops from prolonged pressure.
Early signs include a dark, red, purple, or painful patch over a bony area, especially in someone who is bedridden or sits in one position for long periods. Later it can become a blister or open wound.
Imaging helps when the wound may be deep, when doctors are worried about a hidden abscess, or when the nearby bone may have become infected.
Imaging may be used when deep infection, abscess, or bone involvement such as osteomyelitis is suspected.
Treatment includes pressure relief, wound care, nutrition support, infection control, and sometimes surgery.
This entry explains the condition. The next step is having a radiologist interpret your specific scan, not a general definition.