👉 Ostiolar, also known as an osteoid cyst, is a type of bone cyst that occurs in the pelvis. It's characterized by the formation of small bones or cartilages that are produced from a single cell called an osteoblast. The osteoblasts produce these tiny bones and cartilage structures to fill any gaps left behind when bones are removed during surgery, such as for hernias or injuries. The term "ostiolar" comes from the Greek word "
