%0 Journal Article %T Lung carcinoma metastasis presenting as a pineal region tumor %A Samanci %A Y. %A Iplikcioglu %A C. %A Ozek %A E. %A Ozcan %A D. %A Marangozoglu %A B. %J Neurocirug¨ªa %D 2011 %I Scientific Electronic Library Online %R 10.4321/S1130-14732011000600013 %X the pineal region is an unusual site for brain metastasis and most metastatic pineal lesions are asymptomatic. a 53 year-old man presented with severe headache, limitation of upward gaze and diplopia. the patient's neurological examination was unremarkable. magnetic resonance imaging (mri) scans of the brain demonstrated a 1,5 x 2 cm well demarcated solitary mass in the pineal region with hydrocephalus. surgery was performed and adenocarcinoma was diagnosed. a systemic investigation revealed adenocarcinoma of the lung as primary lesion. although rare, metastatic tumor should be considered in the differential diagnosis of pineal region tumors. %K pineal region %K metastasis %K lung carcinoma %K mri %K pineal tumor. %U http://scielo.isciii.es/scielo.php?script=sci_abstract&pid=S1130-14732011000600013&lng=en&nrm=iso&tlng=en