Primary hepatic neuroendocrine tumor with a suspicious pulmonary nodule: A case report and literature review

Figure 1 Liver magnetic resonance imaging enhanced findings. Showing a 20 mm × 18 mm nodule in the hepatic segment VIII with A: Long T1; B: Long T2; and C: Hyperintensity in diffusion-weighted imaging.

Figure 2 Positron emission tomography-computed tomography findings. A: Hepatic segment VIII hypodense nodule with a low glucose metabolism; B: Pulmonary nodule with slightly elevated glucose metabolism.

Figure 3 Microscopic findings. A: Hematoxylin and eosin staining; B: Synaptophysin immunohistochemistry; C: Chromogranin A immunohistochemistry; D: Ki67 immunohistochemistry.