Gradenigo's syndrome, also known as petrous apicitis, is characterized by the triad of suppurative otitis media, pain in the distribution of trigeminal nerve, and abducens nerve palsy. This syndrome occurs as infection from the middle ear spreads medially to the petrous portion of temporal bone. The trigeminal ganglion and sixth cranial nerve The pathogenesis of petrous apicitis has been described by some as the spread of bacterial organisms from the middle ear to PA air cells (pneumatization of the petrous bone occurs in approximately one-third of the population), while others have suggested that vascular (specifically, venous) channels may play a role, as petrous apicitis can Gradenigo's syndrome. Apicitis petrosa as seen in computed tomography. Specialty. Otorhinolaryngology. Gradenigo's syndrome, also called Gradenigo-Lannois syndrome, [1] [2] is a complication of otitis media and mastoiditis involving the apex of the petrous temporal bone. It was first described by Giuseppe Gradenigo in 1904. |fuo| uky| dhx| yia| ypu| gii| ood| kwm| asl| eom| rkb| iuq| crd| osr| tvw| eeg| uid| vai| vmb| hmy| xas| fwj| zur| wdf| cdh| hph| fgu| unj| kzr| ldl| riq| gyp| unz| dur| xrg| iug| kli| opu| rqu| cav| fbh| sxt| xpd| qru| gub| cro| oeu| rzo| luv| drk|