Bone Cysts
| Definition: |
Benign unilocular lytic areas in the proximal end of a long bone with well defined and narrow endosteal margins. The cysts contain fluid and the cyst walls may contain some giant cells. Bone cysts usually occur in males between the ages 3-15 years. |
| Notes: |
coord IM with specific bone (IM) |
| Also Called: |
Intraosseous Ganglion,Subchondral Cysts |
Bone Cysts Categories.
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Bone Cysts, Aneurysmal - Solitary lesions of bone that typically cause a bulging of the overlying cortex bearing some resemblance to the saccular protrusion of the aortic wall in aortic aneurysm, hence the name. (Dorland, 27th ed) |
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Jaw Cysts - Saccular lesions lined with epithelium and contained within pathologically formed cavities in the jaw; also nonepithelial cysts (pseudocysts) as they apply to the jaw, e.g., traumatic or solitary cyst, static bone cavity, and aneurysmal bone cyst. True jaw cysts are classified as odontogenic or nonodontogenic. |
Bone Cysts Definitions and Terms
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