منابع مشابه
ANATOMICAL VARIATIONS OF THE CHORDA TYMPANI NERVE
The author studied anatomical variations of the origin of the chorda tympani nerve from the mastoid portion of the facial nerve. The studies were performed on 200 specimens of human temporal bone. It was found that the chorda tympani may arise from the facial nerve in three levels: most commonly from the mid third of its mastoid segment (70%), less commonly from the proximal third (20%), an...
متن کامل[Chorda tympani neuroma].
This was a 45-year-old woman that initially consulted for a progressive hearing loss and dizziness of some 6 months of evolution. There were no notable relevant antecedents, while in the physical examination the otoscopy showed a greyish image that protruded in the posterior tympanic areas (Fig. 1a). The preoperative audiometry reflected a nixed right hearing loss with a mean loss in conversati...
متن کاملNeuropeptides modulate rat chorda tympani responses.
The neuropeptide leptin has been shown to selectively modulate rat chorda tympani (CT) responses to sweet tastants. To explore whether other neuropeptides can modulate such responses, rat whole nerve CT responses to NaCl, HCl, quinine HCl, and sucrose were measured while administering cholecystokinin-8 (CCK-8), substance P(4-11) (SP(4-11)), or calcitonin gene-related peptide (CGRP). To avoid po...
متن کاملChorda tympani neuroma masquerading as cholesteatoma.
Facial nerve neuromas occur throughout the course of the facial nerve and its branches, however lesions occurring on the chorda tympani branch are exceptionally rare. We present a case where the diagnosis was made intra-operatively; the patient was pre-operatively thought to have had a cholesteatoma. Total resection is the treatment of choice for these cases. Early diagnosis, aided by high reso...
متن کاملChorda tympani nerve function after myringoplasty.
This is a cross-sectional study design aimed to determine the prevalence of Chorda Tympani Nerve (CTN) injury and related symptoms following myringoplasty. Thirty patients were included in this study. The methods used were measuring taste thresholds using electrogustometer to map taste threshold on the anterior two-third of the tongue on the operated side with the non operated side as the contr...
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ژورنال
عنوان ژورنال: The Lancet
سال: 1895
ISSN: 0140-6736
DOI: 10.1016/s0140-6736(02)06372-9