Computer Tomography and Magnetic Resonance Image Manifestations of Primary Hepatic Neuroendocrine Cell Carcinomas

Aim: This study aims to investigate the manifestation of CT, MRI and dynamic enhanced scans for primaryhepatic neuroendocrine cell carcinoma.
Methods: CT or MRI arterial and venous phase scan images of 19cases of pathologically confirmed PHNEC were retrospectively analyzed.
Results: 14 cases (73.68%) with singlelesion, 5 cases (26.3%) with multiple lesions, with an average diameter of 13.2 cm. Some 12 cases (63.16%)showed inhomogeneous enhancement, seven cases (36.8%) showed homogeneous enhancement, 13 cases (68.4%)demonstrated significant enhancement in the arterial phase, 13 cases (68.4%) had significantly enhanced portalvenous phase including 7 cases (36.8 %) with portal venous phase density or signal above the arterial phaseand 5 cases (26.3%) with the portal vein density or signal below the arterial phase. Seven cases (36.8%) hadcontinued strengthened separate shadows in the center of the lesion. Thrombosis were not seen in portal veins.
Conclusion: CT and MRI images of liver cell neuroendocrine carcinoma have certain characteristics that canprovide valuable information for diagnosis and differential diagnosis.