We describe the computed tomography(CT)imaging findings in six cases(five males and one female;age range 61-78 years;mean age 67.3 years)with histologically proven hepatoid adenocarcinoma of the stomach(HAS).Five of t...We describe the computed tomography(CT)imaging findings in six cases(five males and one female;age range 61-78 years;mean age 67.3 years)with histologically proven hepatoid adenocarcinoma of the stomach(HAS).Five of the six patients had elevated serum alpha-fetoprotein levels.The most common type of gross appearance HAS on CT is a polypoid mass(83%,5/6).The most common contrast enhancement pattern was heterogeneous.All six patients had a regional lymphadenopathy larger than 6 mm in its short axis.Liver metastases(n=3)were noted.Venous tumor thrombosis was identified in the portal vein(n=2)of the regions near primary gastric tumors or metastatic masses.Our findings suggest in an elderly,male patients with a large heterogeneous enhancement tumor,the presence of distant metastases,regional lymphadenopathy and characteristically increased serum alphafetoprotein levels indicates a high likelihood of HAS.展开更多
文摘We describe the computed tomography(CT)imaging findings in six cases(five males and one female;age range 61-78 years;mean age 67.3 years)with histologically proven hepatoid adenocarcinoma of the stomach(HAS).Five of the six patients had elevated serum alpha-fetoprotein levels.The most common type of gross appearance HAS on CT is a polypoid mass(83%,5/6).The most common contrast enhancement pattern was heterogeneous.All six patients had a regional lymphadenopathy larger than 6 mm in its short axis.Liver metastases(n=3)were noted.Venous tumor thrombosis was identified in the portal vein(n=2)of the regions near primary gastric tumors or metastatic masses.Our findings suggest in an elderly,male patients with a large heterogeneous enhancement tumor,the presence of distant metastases,regional lymphadenopathy and characteristically increased serum alphafetoprotein levels indicates a high likelihood of HAS.