Encounter for examination for normal comparison and control in clinical research program [Z00.6], Reason for Study: ^Reason: GBM sp/Clinical Investigation History: GBM Motion artifact significantly degraded image quality.Right temporal lobe resection cavity appears to be slightly increased in size (28.6 mm x 42 mm, was 21 mm x 38 mm) compared to prior scan.Contrast enhancement surrounding the resection cavity involving temporal lobe is more conspicuous on today's scan but the extent of the enhancement appears to be unchanged.Air signal intensities within the resection cavity is not seen anymore indicating usual postoperative progression.There is no evidence of new abnormal enhancement.There is no evidence of acute ischemic or hemorrhagic lesion on the scan.Subtle effacement of the right lateral ventricle is not seen anymore indicating decreased mass effect. Ventricle size remains stable and within normal limits.There is no evidence of midline shift.The midline structures and cranial-cervical junction are normal. Normal flow voids are identified in the major intracranial vessels. The paranasal sinuses are clear.Fluid collections are seen on the right mastoid air cells unchanged since prior scan.
1. Post resection status of the right temporal lobe intra-axial lesion.2. Resection cavity of the right temporal lobe appears to be slightly increased in size since prior scan.3. Enhancing lesions surrounding resection cavity are again demonstrated which do not show any significant interval changes.4. Lessened mass effects toward right lateral ventricle since prior scan.