Jaw Cysts
| Definition: |
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. |
| Notes: |
non-neoplastic; /blood supply /chem /secret /ultrastruct permitted; coord IM with precoord organ/dis term (IM) |
| Previously Indexed: |
Bone Cysts (1966-1979),Cysts (1966-1979),Jaw Diseases (1967-1979),Jaw Neoplasms (1967-1979),specific jaw disease,specific jaw neoplasm |
Jaw Cysts Categories.
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Nonodontogenic Cysts - Cysts formed from epithelial inclusions in the lines of fusion of the embryonic processes which form the jaws. They include nasopalatine or incisive canal cyst, incisive papilla cyst, globulomaxillary cyst, median palatal cyst, median alveolar cyst, median mandibular cyst, and nasoalveolar cyst. |
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Odontogenic Cysts - Cysts found in the jaws and arising from epithelium involved in tooth formation. They include follicular cysts (e.g., primordial cyst, dentigerous cyst, multilocular cyst), lateral periodontal cysts, and radicular cysts. They may become keratinized (odontogenic keratocysts). Follicular cysts may give rise to ameloblastomas and, in rare cases, undergo malignant transformation. |
Jaw Cysts Definitions and Terms
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