PT - JOURNAL ARTICLE AU - L Kahn AU - J E Heiserman AU - J A Hodak AU - C A Foster TI - Prefrontal sonic treatment: MR findings. DP - 1992 Sep 01 TA - American Journal of Neuroradiology PG - 1493--1494 VI - 13 IP - 5 4099 - http://www.ajnr.org/content/13/5/1493.short 4100 - http://www.ajnr.org/content/13/5/1493.full SO - Am. J. Neuroradiol.1992 Sep 01; 13 AB - The authors describe the use of MR in a patient who underwent prefrontal sonic treatment for relief of intractable headaches. MR demonstrated well-demarcated regions of encephalomalacia within the white matter of the frontal lobe (with relative sparing of cortex) in a characteristic conical volume that corresponded to the insonified regions.