Figure 3From: Isolated pineal region metastasis from lung adenocarcinoma with obstructive hydrocephalus: a case report Histology of the biopsy samples. (A) Neuroendoscopic biopsy specimen of the tumor in the pineal region revealing adenocarcinoma with a papillotubular pattern (hematoxylin and eosin, ×200). (B) Transbronchial biopsy specimen in the lung tumor revealing adenocarcinoma similar to the pineal region tumor (hematoxylin and eosin, ×200).Back to article page