1/32. Greater superficial petrosal nerve neurinoma. Case report.The authors report a case of middle cranial fossa neurinoma arising from the left greater superficial petrosal nerve in a 21-year-old woman who presented with a left-sided otitis media that chronically recurred over a period of 5 years. On examination, the patient had a left-sided mild conductive hearing impairment and a slight disturbance in tear secretion on the left side, with sensory disturbance in the left palate. Three-dimensional computerized tomography scans clearly demonstrated the enlargement of the foramen lacerum and foramen ovale, and heavily T2-weighted magnetic resonance images revealed the tumor's location along with the course of the greater superficial petrosal nerve and its extension into the tympanic cavity. Following complete surgical excision of the tumor and tympanoplasty via a middle cranial fossa approach, the patient retained useful hearing without facial palsy.- - - - - - - - - - ranking = 1keywords = nerve (Clic here for more details about this article) |
2/32. Mature teratoma of the middle ear.OBJECTIVE: The authors report a case of mature teratoma of the middle ear in a 3-year-old girl with a 1-year history of otitis media. methods AND RESULTS: Radiologic investigation revealed a partially cystic lesion of the petrous portion of the right temporal bone. It produced opacification of the middle ear as well as destruction of septal air cells. The patient underwent a subtotal petrosectomy. Histologically, the tumor was composed of an intimate admixture of mature tissues representing all three germ layers, including brain, myelinated nerve trunks, skeletal muscle, bone, immature cartilage, seromucinous glands, and respiratory epithelium. Of note within the brain tissue was choroid plexus within an ependyma-lined rudimentary ventricle. Immunohistochemical studies were also performed. Twenty months after surgery, the patient was well, with complete recovery from symptoms. CONCLUSION: Teratomas of the middle ear are rare neoplasms. Only a few examples have been reported. As a rule, they are cured by resection and do not require adjuvant therapy.- - - - - - - - - - ranking = 0.16666666666667keywords = nerve (Clic here for more details about this article) |
3/32. facial nerve schwannoma.facial nerve schwannomas are clinically challenging tumors. This is a case study of a young woman with an extensive facial nerve schwannoma. The clinical presentation, radiographic diagnosis, pathological confirmation, and treatment options for this relatively rare tumor are discussed.- - - - - - - - - - ranking = 1keywords = nerve (Clic here for more details about this article) |
4/32. Primary middle-ear lymphoma in a child.The case of a five year old boy who presented with a lower motor neurone facial nerve palsy secondary to primary non-Hodgkin's lymphoma (NHL) of the middle ear is discussed. Any child who presents with a facial nerve palsy and conductive hearing loss requires thorough evaluation to exclude the possibility of temporal bone malignancy.- - - - - - - - - - ranking = 0.33333333333333keywords = nerve (Clic here for more details about this article) |
5/32. facial nerve schwannoma in revision stapedotomy surgery.We describe a male patient who presented a progressive conductive unilateral hearing loss 20 years after otosclerosis surgery. Computed tomography (CT) scan and magnetic resonance imaging (MRI) findings suggested a facial schwannoma in its tympanic segment. At the time of revision surgery, a facial schwannoma was found to originate at the tympanic segment, pushing the prosthesis out of the oval window fenestration. The Teflon-piston was repositioned with difficulties in the central platinotomy, and the facial schwannoma was left intact.- - - - - - - - - - ranking = 0.66666666666667keywords = nerve (Clic here for more details about this article) |
6/32. Application of modified transmastoid approach methods to congenital atresia of the external ear canal with middle ear infection.OBJECTIVE: To present our surgical technique for congenital atresia of the external ear canal with middle ear infection. methods: A modified transmastoid approach to congenital atresia of the external ear canal with middle ear infection was applied. Our method is to visualize the landmarks of the mastoid cavity such as the antrum, sinodural angle and digastric ridge by the canal-open method to avoid facial nerve injury and then prepare a relatively large external ear canal with reconstruction of the posterior wall of the external ear canal. RESULTS AND CONCLUSION: This method is suitable not only for treating congenital atresia of the external ear canal with middle ear infection, but also for avoiding facial nerve injury and postoperative complications such as re-stenosis of the new ear canal and postoperative middle ear infection.- - - - - - - - - - ranking = 0.33333333333333keywords = nerve (Clic here for more details about this article) |
7/32. A case of congenital bilateral stapes agenesis.Congenital absence of the stapes and the oval window is an anomaly reported in only sporadic cases. We present a 17-year-old male patient with congenital bilateral conductive hearing loss. The external auditory canal and the tympanic membrane appeared normal on both sides. An exploratory tympanotomy in the right ear revealed dehiscence of the the horizontal segment of the facial nerve, which was displaced inferiorly, occupying the area of the absent oval window. The stapes was totally absent and a malformed long process of the incus was attached by a fibrous band to the promontory. Manipulation of the facial nerve in association with stapedectomy or vestibulotomy was avoided in order not to injure the nerve. Instead, amplification with hearing aids was recommended to the patient.- - - - - - - - - - ranking = 0.5keywords = nerve (Clic here for more details about this article) |
8/32. Avulsion of the anomalous facial nerve at stapedectomy.Injury to the facial nerve in an anomalous location overlying the oval window at the time of stapedectomy has rarely been reported. The authors recently have encountered three patients with such injuries. The facial nerve was found at the time of reexploration to run directly over the oval window. A fourth patient was explored primarily for a conductive hearing loss and the same anomalous course was discovered. The purpose of this report is to alert the otologic surgeon to this rare but potentially catastrophic anomaly and to review the pertinent embryology and management of these malformations.- - - - - - - - - - ranking = 1keywords = nerve (Clic here for more details about this article) |
9/32. Wegener's granulomatosis presenting as otomastoiditis. A case report.A 55-year-old male presented with left-sided otorrhoea, hearing loss and tinnitus of 3 months duration. On clinical examination polypoid tissue was seen prolapsing in the external ear canal. A CT scan of the mastoid cells and middle ear showed otomastoiditis with osteolysis. Oral antibiotic therapy and eardrops were started. When a facial nerve paresis appeared one month later, a mastoidectomy was performed. The mastoid cells and middle ear were filled with a connective tissue-like substance. Postoperative corticosteroids were administered. Despite the therapy the facial nerve problem aggravated and the patient developed severe parietotemporal headache, meningeal irritation and somnolence. The diagnosis of neurosarcoidosis was hypothesised. blood analysis, including c-ANCA's, culture of the otorrhoea and biopsies of the connective tissue were inconclusive. A CT scan of the brain showed thickening of the left tentorium. A biopsy of the dura indicated a diagnosis of Wegener's granulomatosis. The patient was treated with immunosuppressive medication with satisfactory results.- - - - - - - - - - ranking = 0.33333333333333keywords = nerve (Clic here for more details about this article) |
10/32. tuberculosis of the middle ear in an infant.tuberculosis of the middle ear is currently a rare disease. As most physicians are unfamiliar with the typical presenting features, the diagnosis is made too late, with resulting complications, such as irreversible hearing loss and facial nerve paralysis. A case report and review of the literature are presented, emphasizing that tuberculosis should be considered in the differential diagnosis of chronic ear infection.- - - - - - - - - - ranking = 0.16666666666667keywords = nerve (Clic here for more details about this article) |
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