Body Part - Bones/Joints
ARTICULAR CARTILAGE
Cartilage (flexible material found at joints) at the end of bones where one bone meets another bone.
ATROPHIC
Appearing shrunken or smaller than normal size.
AVASCULAR NECROSIS
Bone death from lack of blood supply.
AVULSION
“Tearing” apart.
BLASTIC
Bone forming. Appears bright on CT.
BONE ISLAND
A benign or non-cancerous growth of bone inside of bone. Is usually of no consequence but can be confused with a tumor.
BONE MARROW
Substance that makes up the inner portion of the bone.
BONE SCAN
Nuclear Medicine exam that lights up any active process of the bone such as fracture, bone cancer, infection, etc. Very good (sensitive) at picking up the abnormal bone but cannot tell apart one process from another reliably. Usually need other exams like x-ray or CT to tell what is causing the abnormal finding.
BURSA
Fluid sac around the moving parts of our body (i.e. around the joints) to reduce friction. Think of them as cushion around our joints.
BURSITIS
Inflammation of the bursa (“cushion” around our joints).
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