نتایج جستجو برای: Endoscopic endonasal surgery
تعداد نتایج: 385037 فیلتر نتایج به سال:
background: total and partial gastrectomy is commonly used to treat gastric carcinoma or other benign or malignant conditions of the stomach. laparoscopic-assisted distal gastrectomy is an alternative approach for treating mucosal gastric cancer. many investigators have assessed the safety, efficacy, and feasibility of this procedure.rnobjectives: the aim of present study is to compare the outc...
introduction: epidermoid tumors comprise 1% of intracranial tumors. although reported, intraosseous epidermoid tumors are even more rare. cystic lesions of the petrous apex are uncommon and surgically challenging; the most rare pathology is presumed to be epidermoid.rncase presentation: this is a case of a 61-year-old woman with a large skull-base tumor extending inferiorly from the c1-c2 artic...
BACKGROUND The purpose of this study was to present a monocentric retrospective study designed to compare oncologic results and morbidity between transfacial surgery and endoscopic endonasal surgery for nasal adenocarcinomas. METHODS Between 1998 and 2003, 31 patients were operated on via transfacial surgery, and between 2004 and 2009, 43 patients were operated on via endoscopic endonasal sur...
Title: Effectiveness of endoscopic endonasal transsphenoidal surgery using a neuronavigation: Clinical results of 178 pituitary adenomas Background: The present study assesses endoscopic endonasal transsphenoidal surgery using neuronavigation for pituitary adenoma. Methods and findings: Data were analyzed from 178 consecutive patients with pituitary adenomas who underwent endoscopic endonasal t...
endonasal endoscopic laser-assisted dacryocystorhinostomy has many advantages over conventional external dacryocystorhinostomy. this technique avoids a cutaneous scar and causes less surgical trauma and bleeding than that seen in conventional lacrimal surgery. a total of 20 endoscopic laser-assisted dacryocystorhinostomy in 16 patients were performed between 1998 and 1999. the procedure was suc...
The lateral limit of endoscopic endonasal surgery has yet to be defined. The aim of this study was to investigate the lateral limit of endoscopic endonasal surgery at the level of the sphenoid sinus. Access from the sphenoid sinus to the middle cranial fossa through the cavernous sinus triangles was evaluated by cadaver dissection. Anatomical analysis demonstrated that the medial temporal dura ...
Juvenile nasopharyngeal angiofibroma (JNA) is a rare, benign and locally invasive tumor. Massive bleeding because of vascularity of tumor and postoperative recurrence are potential problems of management. Endonasal approach reduces the rate of postoperative recurrence, intraoperative bleeding, and complications of surgery, time of operation and duration of hospitalization. In this article, we r...
UNLABELLED The productive work between otolaryngologists and neurosurgeons has resulted in the emergence of endoscopic endonasal skull base surgery. The goal of the present study is to describe the endoscopic anatomy of the endonasal approach to the sellar region and planum sphenoidale, highlighting the key points of the surgical approach and the neurovascular landmarks. METHOD Descriptive st...
OBJECTIVES Endonasal dacryocystorhinostomy (DCR) is a well-established treatment method in patients with nasolacrimal duct obstruction. However, there are a few reports about the overall management of failed endonasal DCR. We investigated the causes and management strategies of failed endonasal DCR. METHODS This retrospective review included 61 patients (61 eyes) who had undergone revision su...
What are the limits of endoscopic sinus surgery?: the expanded endonasal approach to the skull base.
The advent of endoscopic technologies and techniques has expanded the limits of conventional endoscopic sinus surgery. The expanded endonasal approach describes a series of surgical modules in the sagittal and coronal planes that allow surgical access to the entire ventral skull base. The sagittal plane extends from the frontal sinus to the second cervical vertebra. The coronal plane extends fr...
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