Clinical question: History of lung cancer with new brain metastases; evaluate for radiosurgery planning. Signs and symptoms: Brain metastases. Pre- and post enhanced treatment planning brain MRI:8 tiny right posterior cerebellar metastatic lesion is identified without change. A tiny left superior cerebellum metastatic lesion is identified without change. A small enhancing metastatic lesion in the superior right occipital lobe measuring approximately 3 mm in size is identified without change.A ring-enhancing metastatic lesion in the right posterior parietal measuring at approximately 7 mm is identified.No detectable that the meningeal enhancement.Stable normal size of ventricular system and without deviation of midline.Patent all CSF cisterns.No detectable abnormal enhancement of the calvarium.
Multiple small supratentorial and infratentorial enhancing metastatic lesions without significant change since prior exam.