23 years, Male, status post tumor resection. History of central neurocytoma. There are postsurgical changes of right parietal craniotomy for resection of mass involving the mid to posterior aspect of the cingulate gyrus. There is restricted diffusion along the margins of the surgical cavity involving the bilateral parietal lobes. Blood products are also noted along the frontoparietal sulci in a paramedian distribution. Encephalomalacia related to presumed prior surgical tract involving the left superior frontal gyrus noted.There is thinning involving the posterior callosal body and isthmus. Expected postsurgical changes also include extra-axial air and blood products. No large hemorrhage, infarct, or mass effect is appreciated. No hydrocephalus. Major flow-voids are preserved. Bone marrow signal and extracranial soft tissues are within normal limits.
Expected postsurgical changes of resection of midline tumor along the posterior cingulate gyrus. No evidence of residual tumor.