Vascular tumor is occurring of malignant or benign tumor in blood vessels. Few types of vascular tumors are: epitheliod hemangioendothelioma, tufted angioma, hemangiopericytoma and kaposiform hemangioendothelioma. epitheliod hemangioendothelioma is formed in liver, lungs and bones. tufted angioma is occurred in early childhood regions are upper body and neck. Scientific journal is a periodical publication intended to further progress of science, usually by reporting novel research. There are thousands of scientific journals in publication, and many more have been published at various points in the past. Most journals are highly specialized, although some of the oldest journals publish articles and scientific papers across a wide range of scientific fields. Scientific journals contain articles that are peer reviewed, to ensure that articles meet the journal's standards of quality, and scientific validity. The publication of the results of research is an essential part of the scientific method. If they are describing experiments or calculations, they must supply enough details that an independent researcher could repeat the experiment or calculation to verify the results. Each such journal article becomes part of the permanent scientific record. Vascular tumor is occurring of malignant or benign tumor in blood vessels. Few types of vascular tumors are: epitheliod hemangioendothelioma, tufted angioma, hemangiopericytoma and kaposiform hemangioendothelioma. epitheliod hemangioendothelioma is formed in liver, lungs and bones. tufted angioma is occurred in early childhood regions are upper body and neck. Journal Article is sometimes called a Scientific Article, a Peer-Reviewed Article, or a Scholarly Research Article. Together, journal articles in a particular field are often referred to as The Literature.