Lesions of the sensorimotor region: somatosensory evoked potentials and ultrasound guided surgery.
In 10 patients with lesions of the sensorimotor cortex cortical SEP were registered to identify the postcentral gyrus, and intra-operative ultrasound sonography served to locate the lesion. The combination of both techniques helped to find the optimal approach to the lesion. Postoperative results were considered favourable, as only one patient suffered transient postoperative deterioration, six were unchanged and in three patients the pre-operative motor deficits were improved. The combination of intra-operative ultrasound and neurophysiological identification of the sensorimotor cortex is concluded as being useful in surgery within this region.
Firsching
R
R
Klinik für Neurochirurgie, Universität zu Köln, Federal Republic of Germany.
Klug
N
N
Börner
U
U
Sanker
P
P
D000328:Adult; D000368:Aged; D001931:Brain Mapping / Q000295:instrumentation; D001932:Brain Neoplasms / Q000000981:diagnostic imaging / Q000503:physiopathology / Q000601:surgery*; D004453:Echoencephalography / Q000295:instrumentation*; D004558:Electric Stimulation / Q000295:instrumentation; D004567:Electrodes, Implanted; D005073:Evoked Potentials, Somatosensory / Q000502:physiology*; D005260:Female; D006801:Humans; D008297:Male; D008475:Median Nerve / Q000503:physiopathology; D008875:Middle Aged; D016343:Monitoring, Intraoperative / Q000295:instrumentation*; D009044:Motor Cortex / Q000000981:diagnostic imaging / Q000503:physiopathology / Q000601:surgery*; D009460:Neurologic Examination; D011183:Postoperative Complications / Q000503:physiopathology; D013003:Somatosensory Cortex / Q000000981:diagnostic imaging / Q000503:physiopathology / Q000601:surgery*; D013238:Stereotaxic Techniques / Q000295:instrumentation*; D013979:Tibial Nerve / Q000503:physiopathology