petrositis

petrositis

 [pet″ro-si´tis]
inflammation of the pars petrosa or petrous portion of the temporal bone.

pet·ro·si·tis

(pet'rō-sī'tis),
An inflammation involving the petrous portion of the temporal bone and its air cells.
Synonym(s): petrousitis

pet·ro·si·tis

(pet'rō-sī'tis)
An inflammation involving the petrous portion of the temporal bone and its air cells.
References in periodicals archive ?
Chronic otitis media,Mastoiditis, and Petrositis. In: Flint PW, Haughey BH, Lund BJ, et al.
Chronic otitis media, mastoiditis, and petrositis. In: Flint PW, Haughey BH, Lund VJ, et al, eds.
There are still a number of patients, who develop acute mastoiditis, subperiosteal abscess, facial palsy, and intracranial complication due to recent increase of antibiotic-resistant bacteria [5], and other very rare complications like labyrinthitis and petrositis are also encountered.
The secondary cause is a noticeable lesion that includes trauma (skull base fracture, penetrating injury), postradiation, neoplasm (skull base, cerebellopontine, brainstem, pharynx, tongue, tonsil, metastatic head, and neck tumors), infection (tonsillitis, pharyngitis, petrositis, arachnoiditis, para pharyngeal abscess, and tuberculosis), surgery (posttonsillectomy, postneck dissection, and postcraniotomy), vascular malformations (arteriovenous malformation, fusiform aneurisms, persistent hypoglossal artery, and dissection of the vertebral artery), demyelination (MS), and Eagle's syndrome as well as others which include direct carotid puncture, choroid plexus overgrowth, and hyperactive dysfunction syndrome.
Petrositis is an uncommon complication of otitis media.
Gradenigo syndrome - caused by acute petrositis. Petrositis is accompanied by facial weakness, pain and hearing difficulties.
However, they belong to the PPS roof and, if present, they are potential sources of infection: the petrous apicitis or petrositis. (9,10) In other studies, the pneumatization of the petrous apex was found positive in 32.7% of 226 subjects, and no difference in degree was revealed as far as both ears or genders were concerned; pneumatized air cells were more often found in the lower portions of the CT slices than in the higher ones.
We report a case of petrositis presenting as the Gradenigo's syndrome secondary to acute otitis media which was treated successfully by ventilation tube insertion followed by anti-microbial therapy.
Chronic otitis media, mastoiditis and petrositis. In: Cummings CW, Flint PW, Harker LA, et al., editors.
Herein I describe a patient with petrositis (or mastoiditis) but with no frequently presenting MRI features of RHS.
CONCLUSION: CSOM is a common cause of auditory complications & sequelae like petrositis, facial palsy, labyrinthitis, and osseous changes resulting in hearing loss, cholesteatoma, tympanosclerosis & intra-cranial complications.
Chronic otitis media, mastoiditis, and petrositis. In: Cummings CW, Fredrickson JM, Harker LA, et al, eds.