نتایج جستجو برای: schwannomas
تعداد نتایج: 1871 فیلتر نتایج به سال:
Multiple schwannomas in the absence of neurofibromatosis is rarely reported in the literature. We present a 56-year-old female with a history of severe leg and back pain on the left side for one year. Magnetic resonance imaging revealed 4 schwannomas located in the cauda equina in the absence of von Recklinghausen's disease.
Introduction: The study of trigeminal surgery is linked to neuralgia and being a serious disorder can impair the patient's quality life. Objective: To analyze literature on relevant aspects surgery, such as decompression, sensitivity, anesthesia schwannomas. Methodology: PubMed, SCOPUS Google Scholar databases were reviewed find recent articles published with following keywords: “trigeminal ner...
Solitary axillary schwannomas are very rare lesions, with just over 20 cases previously reported in the literature. Here we describe a patient symptomatic solitary schwannoma
Schwannoma, or neurilemmoma, is a benign neoplasm that arises from Schwann cells, which surround peripheral, cranial, and autonomic nerve sheaths. Schwannoma has been reported to occur mainly as singular lesion of the sacral sciatic in young adults. Plexiform schwannoma, subtype rare known account for 2% 5% total schwannomas. upper extremities relatively mostly ulnar nerve. We report, with lite...
Results: Bilateral vestibular schwannomas, bilateral trigeminal schwannomas and intra ventricular meningioma were noted to grow exponentially over a period of 7 years from tiny lesions to large lobulated masses in the IAC and CP angles, Meckel caves and within the right lateral ventricle respectively with surrounding brain parenchymal mass effect. We review other intracranial masses in NF 2 tho...
Retroperitoneal schwannomas are a rare entity. They originate from the Schwann cells of the nerve sheaths and may be of renal or pararenal origin. We report on two patients with retroperitoneal schwannomas, who received surgery under the suspicion of renal cell carcinoma.
Schwannomas of the digestive tract are uncommon benign tumors seldom located in the esophagus. We present a case of intramural esophageal schwannoma with histopathological correlation evaluated by computed tomography and endoscopic ultrasonography. The imaging findings are described and other relevant features of schwannomas of the esophagus are discussed.
Schwannomas are benign tumors that arise from the neural sheath of Schwann cells. Renal schwannomas are extremely rare and are commonly misdiagnosed as renal cell carcinoma, which typically results in a radical nephrectomy. We present a case of a renal schwannoma that mimics a renal pelvis tumor.
Glossopharyngeal schwannomas are rare tumors in spite of the fact that acoustic schwannomas account for 8%-10% of intracranial tumors. There have been 23 reported cases in the literature. This report of five cases is the largest series of these tumors. The presentation, radiological workup, operation, and long-term postoperative results will be presented, along with a review of the literature.
BACKGROUND Schwannomas located in the periportal region are extremely rare. Only 14 cases have been reported in the medical literature worldwide. Cases of porta hepatic schwannomas reported in the literature worldwide were reviewed. As a result, it is very challenging for surgeons to make a preoperative diagnosis due to its rarity and nonspecific imaging manifestations. CASE PRESENTATION A 57...
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