Solitary pituitary metastasis resulting from pulmonary large cell neuroendocrine carcinoma

Figure 1 A 74-year-old man with a smoking history presented with anorexia, vomiting, fever and thirst. A: Chest computed tomography reveals a mass on the right upper lobe (white arrow); B: Fluoro-2-deoxy-D-glucose (FDG) positron emission tomography image shows FDG accumulation at the primary site, hilar and mediastinal lymph nodes, and liver; C: Sagittal view of gadolinium-enhanced brain magnetic resonance imaging shows irregularly enhanced dumbbell-shaped tumor in the intrasellar and suprasellar areas (white arrows).