Rapidly Progressive Orbital Apex Syndrome Due to Scedosporium apiospermum Following Endoscopic Sinus Surgery.

is a ubiquitous, highly resistant opportunistic fungus found in sewage and polluted waters and may infect the paranasal sinuses. Orbital Apex Syndrome may occur following trauma, surgery, or infection. An 80-year-old male with diabetes mellitus and mild dementia underwent uncomplicated, bilateral functional endoscopic sinus surgery for chronic sinusitis with polyposis.

Detection of uric acid stones in the ureter using low- and conventional-dose computed tomography.

Objective: To determine the ability of low- and conventional-dose computed tomography (CT) in identification of uric acid stones, which are of lower density than calcium oxalate stones.

Materials And Methods: Uric acid stones (3, 5, and 7 mm) were randomly placed in human cadaveric ureters and scanned using conventional 140-mAs and low-dose 70-, 50-, 30-, 15-, 7.5-, and 5-mAs settings.

A prospective analysis of robotic tip cover accessory failure.

Background And Purpose: The robotic monopolar scissors tip cover accessory (TCA) is an insulation device that prevents current leak from surfaces on the instrument other than the scissors tip. Reports of insulation failure and patient injury have been made but not systematically studied. We investigate the incidence of TCA failure and potential mechanisms that lead to malfunction.