CHAPTER 3 - NEOPLASMS

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Anaplastic

Abnormal tissue, the more undifferentiated tissue.

Angiogenesis

New growth of blood vessels.

Benign

Having limited growth, noncancerous.

Cachexia

A term used to describe any individual who has an ill, thin, wasted appearance.

Carcinogen

Cancer causing agent or substance.

Carcinoma

The most common type of malignant neoplasm arising from epithelial tissue.

Carcinoma In Situ

Atypical cells residing in the epithelial layer of tissue, not having broken through the basement membrane and invading other local tissues.

Chemotherapy

Using pharmacologic therapy in the treatment of cancer.

Curative

Something that corrects or cures the disease or condition.

Cytology

The examination or study of cells.

Differentiation

The process of individual specialization of cells.

Dysplasia

An alteration in size, shape, and organization of cells.

Frozen Section

A technique that enables a pathologist to make a rapid determination of a tumor condition, either malignant or benign.

Grading

Determining the degree of differentiation of cells through microscopic examination.

Hematoma

A large tumor or swelling filled with blood; also called a bruise or contusion.

Hyperplasia(s)

An increase in cell number; overgrowth in response to some type of stimulus.

Invasion

Spreading into surrounding or local tissue.

Leukemia

A progressive overgrowth ob abnormal leukocytes; a malignant disease of the bone marrow.

Lymphomas

Malignant neoplasm of blood-forming organs.

Malignant

Deadly or progressing to death; cancerous.

Metaplasia

A cellular adaptation in which the cell changes to another type of cell.

Metastasis

Spreading to distant sites.

Neoplasm(s)

An increase in cell number, leading to an increase in tissue size; commonly called tumors.

Palliative

Something that is directed toward relief of symptoms but does not cure.

Pap Test

Also called Papanicolaou test; a screening for cancer using and examining the cells scraped from the cervical area.

Preventive

Something that reduces risk.

Radiation

The process of using light, short-waves, ultraviolet or X-rays or any other rays.

Sarcoma

A malignant neoplasm arising from connective tissue.

Staging

Determining the degree of spread of a malignant tumor.

Tumor

"Swelling" or growth, originally used in the description of the swelling related to inflammation.

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