1/9. dysgeusia due to an orthodontic wire: a case report.A 14-year-old female developed gustatory disorder due to an orthodontic wire having pierced the right trigonal retromolar. The patient's complaints included traction pain on the right lower jaw, numbness on the right front half of the tongue and hypogeusia with the exception of sweet tastes. Possible causes of dysgeusia in this case were: (i) direct mechanical compression of a gustatory nerve by the orthodontic wire; and (ii) disturbance of blood supply to a gustatory nerve by edema that developed in nerve tissues around the wire. The patient's retention of a normal threshold for the recognition of sweet tastes is not fully understood.- - - - - - - - - - ranking = 1keywords = nerve (Clic here for more details about this article) |
2/9. Unusual complication of tonsillectomy: taste disturbance and the lingual branch of the glossopharyngeal nerve.taste disturbance is an unusual complication of tonsillectomy of which there are very few reports in the literature. The possible causes of this rare complication are: (1) direct or indirect damage to the glossopharyngeal nerve or its lingual branch (LBGN), (2) lack of dietary zinc, and (3) habitual drug intake. We report a 41-year-old man, who complained of taste disturbance following tonsillectomy that was performed for chronic tonsillitis and unilateral (left) tonsillar hypertrophy. During surgery, hypertrophic tonsils were found to be sited deeply into the tonsillar bed, especially at the lower pole of the left tonsil. Pathologic examination following tonsillectomy revealed a keratinous cyst and chronic infection at the left tonsil, and lymphoid hyperplasia and chronic infection at the right tonsil. Although his complaint had been getting better, qualitative examination of his taste function revealed bilateral impairment of the sense of sweet taste on the base of his tongue two months after the surgery, and a taste disturbance of sweet taste on the left side persisted the 10th month after the surgery. His serum zinc value was normal, and he did not take any drug that could affect his sense of taste. Depending on the literature data, possible indirect damage to the LBGN was suspected as the cause of the taste disturbance. This symptom may be reversible within two years after tonsillectomy, but it can also be irreversible. Therefore, tonsillectomy should be performed with minimal trauma to the tonsillar bed, especially when there is an additional pathology extending into the lower pole, and such a patient should be informed of the risk of post-operative taste disturbance after tonsillectomy as being one of the rare complications of this surgery.- - - - - - - - - - ranking = 1.6666666666667keywords = nerve (Clic here for more details about this article) |
3/9. Posttonsillectomy taste distortion: a significant complication.OBJECTIVE/HYPOTHESIS: tonsillectomy is among the most commonly performed procedures. As with any surgery, head and neck surgeons must be aware of possible complications and their potential affects. At our smell and taste center, we have been referred several patients in a 6-month period with the complaint of taste distortion after tonsillectomy. We report in this article a patient that complains of taste distortion after a right tonsillectomy for unilateral tonsillar hypertrophy. STUDY DESIGN: A prospective study documenting taste distortion after tonsillectomy using clinical, subjective, and objective evaluation. methods: The clinical course of a patient with taste distortion after a tonsillectomy is described. The gustatory function was investigated by conducting electrogustometry and spatial taste testing. Threshold measurements were determined at three left- and three right-side tongue regions: 1) the tongue tip region (innervated by the chorda tympani branch of the facial nerve), 2) the lateral margin of the tongue (anterior to the foliate papillae), and 3) the posterior tongue region (innervated by the lingual branch of the glossopharyngeal nerve). RESULTS: After a complete clinical evaluation and taste testing, it was found that the patient suffered an injury to the right lingual branch of the glossopharyngeal nerve. The close anatomic relationship between the palatine tonsil and lingual branch of the glossopharyngeal nerve makes the nerve vulnerable during tonsillectomy. This injury has caused the patient to suffer ageusia to the right posterior one third of the tongue, compensated by a contralateral phantogeusia (phantom taste) with clinical dysgeusia. The phantogeusia was abolished by application of anesthetic to the area where the phantom was perceived. We propose that the phantogeusia is the result of release-of-inhibition in the contralateral glossopharyngeal nerve. CONCLUSION: taste distortion (including, phantogeusia and dysgeusia) after tonsillectomy is rarely reported as a complication but has a significant impact on quality of life. This article examines the taste distortion presence as a complication after tonsillectomy to make head and neck surgeons aware of this serious complication and the pathophysiology of taste distortion.- - - - - - - - - - ranking = 2keywords = nerve (Clic here for more details about this article) |
4/9. "I can't taste ice cream": an unusual case of tinnitus and dysgeusia.Auricular foreign bodies are usually presented to the emergency department in an easily recognizable fashion. We report the case of a 16-year-old male who presented to the emergency department with complaints of unilateral tinnitus and dysgeusia. He denied any history of injury except for falling from his bike in the woods earlier that day. On examination, a wooden foreign body was found in the external auditory canal. A computed tomography scan revealed a 3-cm-long twig that pierced the middle ear disrupting the ossicles. He was taken to the operating room for removal and microscopic evaluation. On evaluation, the chorda tympani nerve was found to be severed along with disruption of the ossicles. This is an unusual presentation for an aural foreign body, and the resulting injury of the chorda tympani is not well published. One should consider the possibility of injury to the middle and inner ear and perform the necessary clinical evaluation before and after removal of aural foreign bodies.- - - - - - - - - - ranking = 0.33333333333333keywords = nerve (Clic here for more details about this article) |
5/9. Incidental finding of dysgeusia relieved by injections of botulinum toxin A.OBJECTIVE: We report the unique finding of hemifacial spasm and associated dysgeusia that resolved after treatment with botulinum toxin A (BTX-A). STUDY DESIGN: Case report. methods: Three years after undergoing resection of an acoustic neuroma and subsequent resolution of postoperative left-sided facial nerve palsy, a 38-year-old woman presented with new onset of facial spasm and dysgeusia. RESULTS: After three courses of BTX-A injections during a 2-year period, symptoms of both facial spasm and dysgeusia resolved after treatments and returned between treatments. CONCLUSIONS: These findings, which have not been reported previously in the literature, indicate a potential role for BTX-A in the treatment of surgically associated dysgeusia.- - - - - - - - - - ranking = 0.33333333333333keywords = nerve (Clic here for more details about this article) |
6/9. Traumatic dissection of the internal maxillary artery associated with isolated glossopharyngeal nerve palsy: case report.OBJECTIVE AND IMPORTANCE: Spontaneous or traumatic dissection of the internal carotid artery with resultant lower cranial nerve palsies is well documented. However, dissection of the external carotid artery with lower cranial palsies has not been reported previously. CLINICAL PRESENTATION: A 42-year-old man experienced an epidural hematoma as the result of a fall and underwent a craniotomy and hematoma removal. Subsequently, he developed dysgeusia and difficulty in swallowing. brain magnetic resonance imaging showed a dilated linear structure, with isosignal intensity on T1-weighted images and hyperintense signal intensity on T2-weighted images. Strong enhancement was seen on postcontrast T1-weighted images, indicating a dissected internal maxillary artery. This was confirmed on selective angiography of the left common carotid artery. INTERVENTION: Guglielmi detachable coils were introduced into the false lumen of the dissected artery. Subsequently, 0.5 ml of glue mixed with Lipiodol (Lafayette Pharmacal, Lafayette, IN) was packed into the remnant of the false lumen. Repeat angiograms demonstrated complete occlusion of the dissected vessel. The patient's postoperative course was uneventful, and the neurological deficits gradually improved. CONCLUSION: We describe the first reported case of internal maxillary artery dissection and pseudoaneurysm presenting with isolated glossopharyngeal nerve palsy. The association between cranial nerve palsy and dissection of the external carotid artery branch may be the result of a compressive mechanism, as suggested by its anatomic relationships, the characteristics of the dissection, and the good prognosis. Endovascular embolization of the external carotid artery dissection and pseudoaneurysm is suggested as an effective therapeutic method for improving or alleviating neurological deficits produced by mass effect.- - - - - - - - - - ranking = 2.3333333333333keywords = nerve (Clic here for more details about this article) |
7/9. dysgeusia, gustatory sweating, and crocodile tears syndrome induced by a cerebellopontine angle meningioma.facial nerve involvement in cerebellopontine angle tumors, both during their development and after excision, may be expressed in irreversible dysfunction of the parasympathetic pathways. The exact location of the lesion along the efferent nerve fibers can be established through evaluation of the functional level of those organs supplied by the cholinergic motor secretory components. This report deals with a female patient in whom peripheral facial palsy developed shortly after removal of a right cerebellopontine angle meningioma. She had slight facial asymmetry and deafness in the right ear and complained of prandial flush and sweating of the right malar area. Occult ipsilateral hyposalivation and hypolacrimation were diagnosed. In patients with seventh and ninth cranial nerve pathoses, evaluation of the end organs that are supplied by their associated autonomous nerve fibers is mandatory to prevent late ocular and oral sequelae.- - - - - - - - - - ranking = 1.3333333333333keywords = nerve (Clic here for more details about this article) |
8/9. Recurrent peripheral facial nerve palsy after dental procedures.Peripheral facial palsy is an uncommon complication of dental procedures. Most cases begin immediately after dental anesthesia and resolve within 12 hours. No report of recurrent facial palsy with dental manipulations has previously been described. We report a patient with two episodes of peripheral facial palsy, 2 years apart, developing within 24 hours of dental procedures. A third episode of contralateral facial weakness developed 3 years after the second event. This event was not related to dental manipulations. Although the exact mechanism is not known, dental manipulations may rarely result in precipitation of recurrent Bell's palsy.- - - - - - - - - - ranking = 1.3333333333333keywords = nerve (Clic here for more details about this article) |
9/9. Trigeminal sensory neuropathy with abnormal taste following acute sinusitis.We report a case of isolated trigeminal sensory neuropathy associated with impairment of taste sensation following acute sinusitis. Sensory disturbance was distributed mainly in the ophthalmic division, and partly in the maxillary and mandibular divisions. No other cranial nerves were involved. An otological procedure resulted in complete recovery. The unique combination of trigeminal neuropathy and abnormal taste seemed to be caused by the infectious process involving the gasserian ganglion of the trigeminal nerve.- - - - - - - - - - ranking = 0.66666666666667keywords = nerve (Clic here for more details about this article) |