Biomaterial Database

Hitherto unrecognized arterioles within hepatocellular carcinoma. 1994

H Himeno, and H Enzan, and T Saibara, and S Onishi, and Y Yamamoto

First Department of Internal Medicine, Kochi Medical School, Japan.

The distribution of blood vessels in human hepatocellular carcinoma was studied with the anti-a-smooth muscle actin monoclonal antibody by light and electron microscopy, and with morphometric analysis. a-Smooth muscle actin-positive arterioles were never observed in lobules or pseudolobules of non-cancerous areas, but were frequently seen within hepatocellular carcinomas. Morphometric analysis revealed that most of these arterioles measured between 10 and 25 microns in diameter. The morphology of intratumoural arterioles differed considerably from that of conventional arteries in the portal tracts of the non-cancerous area. The presence of abundant intratumoural arterioles can explain the angiographic hypervascularity of hepatocellular carcinoma and provides a pathological basis for its susceptibility to hypoxia and for arterial embolization as a therapeutic strategy.

UI	MeSH Term	Description	Entries
D008113	Liver Neoplasms	Tumors or cancer of the LIVER.	Cancer of Liver,Hepatic Cancer,Liver Cancer,Cancer of the Liver,Cancer, Hepatocellular,Hepatic Neoplasms,Hepatocellular Cancer,Neoplasms, Hepatic,Neoplasms, Liver,Cancer, Hepatic,Cancer, Liver,Cancers, Hepatic,Cancers, Hepatocellular,Cancers, Liver,Hepatic Cancers,Hepatic Neoplasm,Hepatocellular Cancers,Liver Cancers,Liver Neoplasm,Neoplasm, Hepatic,Neoplasm, Liver
D008297	Male		Males
D008854	Microscopy, Electron	Microscopy using an electron beam, instead of light, to visualize the sample, thereby allowing much greater magnification. The interactions of ELECTRONS with specimens are used to provide information about the fine structure of that specimen. In TRANSMISSION ELECTRON MICROSCOPY the reactions of the electrons that are transmitted through the specimen are imaged. In SCANNING ELECTRON MICROSCOPY an electron beam falls at a non-normal angle on the specimen and the image is derived from the reactions occurring above the plane of the specimen.	Electron Microscopy
D008875	Middle Aged	An adult aged 45 - 64 years.	Middle Age
D005260	Female		Females
D006528	Carcinoma, Hepatocellular	A primary malignant neoplasm of epithelial liver cells. It ranges from a well-differentiated tumor with EPITHELIAL CELLS indistinguishable from normal HEPATOCYTES to a poorly differentiated neoplasm. The cells may be uniform or markedly pleomorphic, or form GIANT CELLS. Several classification schemes have been suggested.	Hepatocellular Carcinoma,Hepatoma,Liver Cancer, Adult,Liver Cell Carcinoma,Liver Cell Carcinoma, Adult,Adult Liver Cancer,Adult Liver Cancers,Cancer, Adult Liver,Cancers, Adult Liver,Carcinoma, Liver Cell,Carcinomas, Hepatocellular,Carcinomas, Liver Cell,Cell Carcinoma, Liver,Cell Carcinomas, Liver,Hepatocellular Carcinomas,Hepatomas,Liver Cancers, Adult,Liver Cell Carcinomas
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328	Adult	A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available.	Adults
D000368	Aged	A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available.	Elderly
D000886	Anthropometry	The technique that deals with the measurement of the size, weight, and proportions of the human or other primate body.