History of breast cancer on a clinical trial. Evaluate for metastases. There is subtle heterogeneous signal abnormality within the central pons that does not demonstrate enhancement. The appearances is nonspecific and possibly vascular in etiology. There is no associated diffusion restriction.Otherwise, no abnormal signal is seen on the T2, FLAIR or diffusion weighted images. No abnormal enhancement on the postcontrast images. There is no evidence of intracranial hemorrhage, mass or edema. The ventricles and basal cisterns are normal in size and configuration. The expected intracranial vascular flow voids are present.The paranasal sinuses are clear. The visualized mastoid air cells are clear. The orbits are unremarkable.
1.No evidence of intracranial metastatic disease.2.There is a patchy lesion present within the pons which is nonspecific. One possibility is that this is vascular related.