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petromastoid

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petromastoid /pet·ro·mas·toid/ (-mas´toid)
1. pertaining to the petrous portion of the temporal bone and its mastoid process.
2. otocranium (2).

pet·ro·mas·toid (ptr-mstoid)
adj.
Of or relating to the petrous and the mastoid portions of the temporal bone of the skull.

petromastoid [pet″ro-mas´toid]
2. otocranium (def. 2).

petromastoid
1. pertaining to the petrous portion of the temporal bone and its mastoid process.
2. otocranium (2).


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Abstract Cementoossifying fibroma is a rare nonodontogenic tumor of the periodontal membrane that arises from the mesodermal germ layer This nonneoplastic, locally destructive tumor has occurred as an osseous lesion in the mandible, the maxilla, the zygoma, all the paranasal sinuses, and the orbital and petromastoid regions.
Cemento-ossifying fibroma of the petromastoid region: Case report and review of the literature.
[3] Other congenital structural defects that cause CSF otorrhea include preformed pathways, such as an enlarged facial canal, petromastoid canal fistulae, and patent Hyrtl's fissures.
 
 
 
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