1/87. Intraosseous neurofibroma of the jaws.Two cases of intraosseous neurofibromas of the mandible are presented. Only 25 cases of this tumor have been published previously. Of the present two cases, one was located at the upper border of the mandible, in the left second molar area where the tooth had been extracted 2 years previously. In the second case, the tumor presented itself as a 10 x 2 cm large destruction, mainly following the course of the alveolar nerve from the mandibular foramen to the mental foramen in the right side of the jaw. The mandibular first right molar was missing but the relationship between the extraction of the tooth and the development of the tumor could not be demonstrated. Histologically, the two tumors differed in the way that case 1 showed a conspicuous amount of delicate, wavy fibrils, some of which showed concentric lamellations resembling the pacinian corpuscle but without neurites containing nerve fiber bundles and also demonstrated a slight pleomorphism.- - - - - - - - - - ranking = 1keywords = area (Clic here for more details about this article) |
2/87. Resection of primary brachial plexus tumor using a modified Dartevelle anterior approach.We treated a patient with a large supraclavicular mass with associated parasthesia of the affected extremity. The mass was removed operatively using a supraclavicular Dartevelle approach.- - - - - - - - - - ranking = 1324.5498908947keywords = plexus (Clic here for more details about this article) |
3/87. Combined laminectomy and thoracoscopic resection of a dumbbell neurofibroma: technical case report.OBJECTIVE AND IMPORTANCE: We describe combined laminectomy and thoracoscopic surgery for removal of a dumbbell thoracic spinal tumor to demonstrate the feasibility of such an approach. CLINICAL PRESENTATION: We present the case of a 29-year-old man who developed chest pain and spinal cord compression from a thoracic dumbbell neurofibroma. TECHNIQUE: Surgical approaches for benign nerve sheath tumors that extend from the spinal cord into the thoracic cavity include combined laminectomy and thoracotomy either in one or two stages, or a lateral extracavitary approach involving laminectomy, facetectomy, and rib resection in a single stage. We performed a combination laminectomy and thoracoscopic tumor resection in a single stage with good results. CONCLUSION: This technique has not been reported previously in the literature. It has the advantage of avoiding the potential morbidity of a thoracotomy, as well as the extensive muscle dissection and pain associated with the lateral extracavitary approach.- - - - - - - - - - ranking = 4.0735128967262keywords = pain, chest (Clic here for more details about this article) |
4/87. A case of episcleral neurofibroma.PURPOSE: To report a rare case of episcleral neurofibroma and discuss the possible differential diagnoses. methods: Case report of a 36-year-old man who presented with a painless epibulbar mass of the left eye. We describe the clinical and histopathologic features of the tumour and compare it with other tumours which may have a similar clinical presentation. RESULTS: An excisional biopsy of the tumour was performed. Histopathologic examination revealed the tumour to be an isolated episcleral neurofibroma. CONCLUSION: It is often difficult to clinically differentiate this tumour from other conditions. Because of the slow growth of neurofibromas and its slow risk of malignant transformation, these lesions may be observed periodically for progression. Surgical excision may be performed if the lesion is found to be progressively enlarging in size.- - - - - - - - - - ranking = 1.3816030860989keywords = pain (Clic here for more details about this article) |
5/87. Solitary neurofibroma of the anal canal: report of two cases.Neurofibromas are benign nerve sheath tumors commonly found in patients afflicted with neurofibromatosis-1. In the absence of multiple neurofibromas or a diagnosis of neurofibromatosis-1, neurofibromas are referred to as solitary and have been reported to involve the skin, subcutaneous tissue, deep soft tissue, and viscera of almost all areas of the body. A neurofibroma involving the anal canal is a rare entity, with only one report in the literature. We present two cases in which large masses involving the anal canal of elderly females were locally resected and proved to be neurofibromas by histopathology. Although rare, these tumors should be considered in the differential diagnosis of patients presenting with an anal mass, because resection alone is the treatment of choice.- - - - - - - - - - ranking = 1keywords = area (Clic here for more details about this article) |
6/87. Cervical chordoma with vertebral artery encasement mimicking neurofibroma: MRI findings.A case of cervical chordoma in a 36-year-old white man with hypoesthesia in the neck and right shoulder, neck pain, and restricted neck mobility is presented. Plain radiographs of the cervical spine showed radiolucency of the body of C2 on the right side and enlargement of the right intervertebral foramen at C2-C3 level. Tumor encasement of the vertebral artery was demonstrated by MR imaging and confirmed by conventional arteriography. This proved to be particularly important for preoperative assessment.- - - - - - - - - - ranking = 1.3816030860989keywords = pain (Clic here for more details about this article) |
7/87. A rapidly growing benign intrathoracic neurofibroma after lung lobectomy.A 67-year-old male underwent a right upper lung lobectomy for lung cancer in January 1993. Follow-up chest x-rays revealed a progressive and rapidly growing intrathoracic mass in the right thorax. The mass, however, did not resemble a tumor recurrence, and the patient complained only of shortness of breath. Computerized tomography and magnetic resonance imaging confirmed the presence of the intrathoracic mass and its associated compression of the residual lung. A right thoracotomy was performed in January 1998, and a mass found arising from the sympathetic nerve trunk was resected. Microscopic examination revealed stellate or spindle-shaped cells in myxoid stroma with sparsely distributed collagen fibers. Immunohistochemically, the cells were positive for neuron-specific enolase, and the tumor was identified as neurofibroma. The patient did not suffer from von Recklinghausen's disease, and there was no family history of the disease. After resection of the neurofibroma, the compressed lung was able to re-expand, and the patient's shortness of breath disappeared. At one year postoperative, the patient remains well, and there is no evidence of recurrence.- - - - - - - - - - ranking = 1.3103067245283keywords = chest (Clic here for more details about this article) |
8/87. neurofibroma of the auriculotemporal nerve.Despite the extensive branching of the trigeminal nerve, solitary neurofibromas along its branches are a rare finding. We report our management of a neurofibroma of the right auriculotemporal nerve in a 46-year-old women. A chain of small nodules palpable in the right postauricular region was associated with increasing pain radiating into the postauricular and temporoparietal regions of her head. magnetic resonance imaging and computed tomography showed several small ovoid lesions extending from the postauricular region to the infratemporal fossa. The lesions were removed surgically. The facial nerve adhered to the dorsal side of the largest nodule, but this could be removed without sequelae. The auriculotemporal nerve was identified as the nerve of origin and was removed together with the lesions. Histopathological examination was consistent with a neurofibroma with early plexiform cell formations. Clinical findings are discussed.- - - - - - - - - - ranking = 1.3816030860989keywords = pain (Clic here for more details about this article) |
9/87. Parapelvic neurofibroma of the kidney.We report the first case of neurofibroma causing obstruction by external compression of the upper renal pelvis. A 33-year-old woman reported a 1-year history of dull lumbar pain on the right side. A right renal parapelvic cyst was suspected. The patient underwent retroperitoneoscopic exploration. The right renal parapelvic lesion was identified as a soft tissue tumor. The tumor was removed with a retroperitoneoscopic procedure. Histopathological findings revealed neurofibroma.- - - - - - - - - - ranking = 1.3816030860989keywords = pain (Clic here for more details about this article) |
10/87. Tension pneumocephalus resulting from iatrogenic subarachnoid-pleural fistulae: report of three cases.BACKGROUND: Symptomatic pneumocephalus may result from a cerebrospinal fluid leak communicating with extradural air. However, it is a rare event after thoracic surgical procedures, and its management and physiology are not widely recognized. methods: During the past 2 years, we have identified 3 patients who developed pneumocephalus after thoracotomy for tumor resection. Only 1 patient had a discernible spinal fluid leak identified intraoperatively. Two patients experienced delayed spinal fluid drainage from their chest tubes and subsequently developed profound lethargy, confusion, and focal neurologic signs. The third patient was readmitted to the hospital with a delayed pneumothorax and altered mental status. Radiographic imaging in all patients showed significant pneumocephalus of the basilar cisterns and ventricles. RESULTS: The first 2 patients were managed by discontinuation of the chest tube suction and bedrest. The third patient underwent surgical reexploration and nerve root ligation. All 3 patients had resolution of their symptoms within 72 hours. CONCLUSIONS: pneumocephalus is a rare, but serious, complication of thoracotomy. Previous patients reported in the literature have been managed with reoperation to ligate the nerve roots. However, the condition resolved nonoperatively in 2 of our patients. Discontinuation of chest tube suction may be definitive treatment and is always the important initial management to decrease cerebrospinal fluid extravasation into the pleural space and allow normalization of neurologic symptoms.- - - - - - - - - - ranking = 3.9309201735849keywords = chest (Clic here for more details about this article) |
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