Between 1973 and 1975, Poswillo proposed that the pathogenetic makeup of hemifacial microsomia was based on an embryonic hematoma formation arising from the anastomosis that precedes the formation of the stapedial
For acoustical measurements with a laser vibrometer, the laser beam was focused on the stapedial
In which stapedial
tendon is not cut and the stapedial
suprastructure with the preserved muscle tendon was transpositioned on to the longer arm of the incus and secured with a wire loop.
2000) noted that the most common mechanical origin of objective tinnitus is palatal myoclonus and middle ear myoclonus (rhythmic movement of the tympanic membrane secondary to repetitive contraction of the tensor tympani and stapedial
Objective tinnitus--which can be heard also by people in proximity to the patient's ear--can be caused by vascular abnormalities (congenital arteriovenous fistula, acquired arteriovenous shunt, glomus jugulare, high-riding carotid artery, carotid stenosis, persistent stapedial
artery, dehiscent jugular bulb or a vascular loop such as anterior inferior communicating artery [AICA] or posterior inferior communicating artery [PICA] compressing the auditory nerve) or mechanical disorders (abnormally patent Eustachian tube, palatal myoclonus, temporomandibular joint disorder, or stapedial
In 6 cases tympanosclerosis was present, incudo malleolar joint was involved in 4 cases and incudo stapedial
joint was involved in 2 cases.
Prevalence of facial canal dehiscence and of persistent stapedial
artery in the human middle ear: A report of 1000 temporal bones.
Arterial causes of pulsatile tinnitus include carotid artery stenosis, carotid occlusion, dissection, fibromuscular dysplasia, a persistent stapedial
artery, and an aberrant or lateralized internal carotid artery course.
Later the stapedial
artery develops from the dorsal aspect of the second arch artery and passes through the condensed mesenchymal site of the future ring of stapes to anastamose with the ventral pharyngeal artery thereby annexing its terminal distribution.
INCLUSION CRITERIA: A normal otoscopy, Pure tone audiometry thresholds equal to or below 20 dB at 250 Hz, 500 Hz, 1000Hz, 2000Hz, 4000Hz and 8000Hz; Normal Impedance test (A type curve) with the presence of the ipsilateral and contralateral stapedial
reflex was absent, with a B-type tympanogram on the affected side.
The tumor was removed along with the ossicles and a section of the stapedial