Female, 42 years old, with breast cancer and worsening nausea, evaluate for brain metastases. A 6 mm enhancing nodule is evident along the superior surface of the left cerebellum with minimal associated parenchymal edema. No definite additional lesions are seen. No significant generalized mass effect is detected. A few scattered small foci of white matter T2 hyperintensity are nonspecific. No evidence of intracranial hemorrhage or any abnormal extra-axial fluid collection is seen. The ventricles are within normal limits. Bone marrow signal characteristics are unremarkable.
A single 6 mm lesion is evident along the superior surface of the left cerebellum compatible with metastatic disease.