62 year-old female with nausea, vomiting, and dizziness. Evaluate for bleed.IMAGE ACQUISITION: Nonenhanced CT of the head and MRI of the brain dated 8/20/11 There is a rounded focus of hyperattenuation in the left pons, correlating with the site of abnormality seen on recent MRI. There is no midline shift or hydrocephalus.Mild hypoattenuation in the periventricular and subcortical white matter is most consistent with small vessel ischemic disease. No skull fracture is evident. Visualized paranasal sinuses are grossly clear.Postsurgical changes are again seen with left temporo-occipital encephalomalacia, unchanged.
Rounded focus of hyperattenuation in the left pons correlating with site of abnormality seen on MRI. This most likely represents a hemorrhagic metastases. A subsequent MRI was ordered.