Diagnosis: Intracranial abscess and granulomaClinical question: view for residual area of lesion abscessSigns and Symptoms: s/p craniotomy for abscess The patient is status post right craniotomy and right temporal lobe surgery for removal of a ring enhancing lesion. There is no residual enhancing lesion appreciated. There are adjacent T2/FLAIR hyperintense signal changes present in the immediately adjacent brain tissue. There is scalp soft tissue swelling present. There is 2mm extra-axial collection at the craniotomy site.The patient is status post right mastoidectomy.Normal vascular flow voids are present in the distal carotid and vertebral arteries, the basilar artery and the proximal anterior, middle and posterior cerebral arteries as well as the internal cerebral veins and superior sagittal sinus.The visualized portions of the paranasal sinuses are clear. The visualized portions of the mastoid air cells are clear. The visualized portions of the orbits are intact.
1.Since the prior exam a right temporal lobe ring enhancing lesion has been removed. There are associated postoperative changes present including a small extra-axial collection. 2.Status post right mastoidectomy and temporal bone surgery.