نتایج جستجو برای: skull base defects

تعداد نتایج: 398847  

Journal: :iranian journal of radiology 0
leila aghaghazvini tehran university of medical sciences, shariati hospital, tehran, iran; md, tehran university of medical sciences, shariati hospital, tehran, iran

several lesions (inflammatory, neoplastic and congenital) can involve in the skull base. the role of imaging is to detect the location and extension of lesion, determine mass and mass like lesions, differentiate benign from malignant tumors, detect invasion to adjacent structures and make decision in surgical planning. skull base divides to anterior, middle and posterior cranial fossa and some ...

Journal: :acta medica iranica 0
saeid abrishamkar department of neurosurgery, alzahra hospital, isfahan university of medical sciences, isfahan, iran. nima khalighinejad department of neurosurgery, alzahra hospital, isfahan university of medical sciences, isfahan, iran. payam moein department of neurosurgery, alzahra hospital, isfahan university of medical sciences, isfahan, iran.

in this study, we examined the role of early acetazolamide administration in reducing the risk of cerebrospinal fluid (csf) leakage in patients with a high risk of permanent csf leakage. in a randomised clinical trial, 57 patients with a high risk of permanent csf leakage (rhinorrhea, otorrhea, pneumatocele or imaging-based evidence of severe skull-base fracture) were analysed. in the experimen...

Journal: :journal of minimally invasive surgical sciences 0
jalal bakhtiari department of clinical sciences, faculty of veterinary medicine, university of tehran, iran +98-61117121, [email protected]; minimally invasive surgery research center, rasool akram hospital, tehran university of medical sciences, iran +98-61117121, [email protected]; minimally invasive surgery research center, rasool akram hospital, tehran university of medical sciences, iran +98-61117121, [email protected] mahboubeh abdi department of clinical sciences, faculty of veterinary medicine, university of tehran, iran +98-61117121, [email protected] mohammad javad gharagozlou department of pathobiology, faculty of veterinary medicine, university of tehran, iran ali reza khalaj minimally invasive surgery research center, rasool akram hospital, tehran university of medical sciences, iran +98-61117121, [email protected]; department of surgery, faculty of medicine, shahed university of medical sciences, iran

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...

2017
Kenichi OYAMA Shigeyuki TAHARA Toshio HIROHATA Yudo ISHII Daniel M PREVEDELLO Ricardo L CARRAU Sebastien FROELICH Akira TERAMOTO Akio MORITA Akira MATSUNO

The authors describe the surgical anatomy for the endoscopic endonasal approach (EEA) to the ventrolateral skull base. The ventrolateral skull base can be divided into two segments: the upper lateral and lower lateral skull base. The upper lateral skull base includes the cavernous sinus and the orbit, while the lower lateral skull base includes the petrous apex, Meckel's cave, parapharyngeal sp...

Journal: :AJNR. American journal of neuroradiology 2008
V La Fata N McLean S K Wise J M DelGaudio P A Hudgins

BACKGROUND AND PURPOSE Skull base defects can result in CSF leaks, with meningitis as a potential complication. Surgeons are now routinely repairing these leaks via a nasal endoscopic approach. Accurate preoperative imaging is essential for surgical planning. A variety of imaging regimens have been employed, including axial and direct coronal CT, CT cisternography with iodinated contrast, radio...

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