Knee A to Z

A bone contusion is a bone bruise.

Bone is a dynamic structure and may remodel itself - or try to - depending upon triggers such as fracture or infection.

A bone graft is a transplant of a piece of bone, which can be either from the patient or a donor.

Bone marrow is the soft tissue inside bone, containing cells that form new blood cells and other tissues.

Bone marrow aspirate concentrate is an aspirate of bone marrow which has been centrifuged to isolate its cellular components in distinct layers.

Bone marrow derived stem cells are cells harvested from bone marrow - and have the potential to develop into multiple tissue types. Page updated June 2024 by Dr Sheila Strover (Clinical Editor)

Bone marrow oedema is an area of density change on MRI in a region of bone marrow.

Bone-on-bone is a term used when joint and meniscus cartilage of the tibiofemoral joint are worn down so much that - instead of nice shiny opposing joint surfaces - exposed bone is grating on exposed bone. Page updated January 2024 by Dr Sheila Strover (Clinical Editor)

A bone patellar-tendon bone graft is the gold standard for replacement of a torn cruciate ligament in the knee, where a part of the patellar tendon is used as the graft material. Page updated November 2024 by Dr Sheila Strover (Clinical Editor)

Bone scans detect abnormalities of the insides of bones, such as osteoporosis, stress fractures (breaks) or tumours (growths).