Figure 1From: Isolated pineal region metastasis from lung adenocarcinoma with obstructive hydrocephalus: a case report Magnetic resonance imaging scan of the brain at diagnosis. Magnetic resonance imaging with gadolinium injection showing a 25-mm pineal region tumor with heterogeneous enhancement associated with hydrocephalus on the T1-weighted axial image (A), and sagittal image (B).Back to article page