Neoplasia is the abnormal growth and proliferation of abnormal cells or abnormal amounts of cells due to a benign or malignant process. There can be benign tumors, or neoplasms, and malignant ones. Remember that it's the malignant tumors, or cancer, that can metastasize, which is when cancer spreads around the body.

Leukemia is used for lymphoid neoplasms presenting with widespread involvement of the bone marrow, usually accompanied by the presence of large numbers of tumor cells in the peripheral blood. Lymphoma, on the other hand, is used to describe proliferation arising as discrete tissue masses.

What is the neoplastic process?
Neoplasm is an abnormal growth of tissue, and, when it also forms a mass, is commonly referred to as a tumor. ... Malignant neoplasms are also simply known as cancers. Prior to the abnormal growth of tissue, as neoplasia, cells often undergo an abnormal pattern of growth, such as metaplasia or dysplasia.

In the past 50 years, we have witnessed explosive growth in the understanding of normal and neoplastic lymphoid cells.

Neoplastic cells are a rare component in human glioblastoma microvasculature. Rodriguez FJ(1), Orr BA, Ligon KL, Eberhart CG. ... Microvascular proliferation is a key biological and diagnostic hallmark of human glioblastoma, one of the most aggressive forms of human cancer.

The word neoplasm, meaning new growth in Greek, refers to any abnormal growth, whether malignant or benign. Neoplastic disease refers to both malignant and benign growths. All types of cancer fall into the category of malignant neoplastic diseases.