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Intraoperative ultrasound diagnosis through a burr-hole was performed in 22 cases using a 5 MHz electronic sector-scanning transducer. The pathology along with the landmarks, such as ventricles and the interhemispheric fissure, were visualized. In two cases, a second burr-hole was placed nearby, and aspiration of the fluid was accomplished under real-time ultrasonic monitoring using the first hole as an acoustic window. Our results suggest a possibility of ultrasound-guided stereotactic surgery of the brain through twin burr-holes. [ABSTRACT FROM AUTHOR]

Unplanned migration of a deep brain stimulation (DBS) electrode after accurate placement at the intended target can result in a poor surgical outcome and added cost to the procedure. There are various fixation methods described in the literature. The authors describe the use of a modified burr-hole cover which serves as a simple and cost-effective method of fixation of the DBS lead with excellent results. [ABSTRACT FROM AUTHOR]