What Is a Subchondral Bone Cyst? It's a fluid-filled sac that forms in one or both of the bones that make up a joint. They're especially common at the knee or hip. The cysts show up just under the ...

Bone cysts, most commonly benign and fluid-filled, are a significant concern in the paediatric population. These lesions predominantly affect the long bones and can weaken the normal architecture, ...

‌Lumps that appear on the wrist are usually noncancerous. Most often, they are ganglion cysts. These fluid-filled sacs are not a threat to health. Doctors can remove them if they become painful or ...

A pilonidal cyst is a sac filled with hair and skin debris that forms at the bottom of your tailbone. The recovery time after surgery depends on the procedure type and if you need stitches. In some ...

Subchondral sclerosis is the hardening of bone tissue beneath cartilage, often detected in later stages of osteoarthritis, but its exact cause and relationship to osteoarthritis are still under ...