Terminology - Oncology Flashcards
-oma
tumor, mass or neoplasm
benign neoplasms
mild, non-malignant neoplasm; lack the characteristics of malignancy
- usually localized
- do not invade other tissues
- do not spread away from the primary focus
- remain differentiated - similar to tissues of origin.
- effects due to increased size, but not to metastases.
anaplasia
less differentiated; losing recognizability as the tissue from which they originated
carcinoma
malignant neoplasm derived from epithelial cells
(most commonly occurring type of cancer)
- Examples:
- adenocarcinoma
- squamous cell carcinoma
malignant neoplasm
- rapid growth
- invade surrounding tissues
- may metastasize
- may (likely) recur after attempted removal
- cause death unless adequately treated.
- anaplastic
ne/o
new, recent e.g. neoplasm
neoplasm
Stedman’s Med-Dict. – an abnormal tissue that grows by cellular proliferation more rapidly than normal and continues to grow after the stimuli that initiated the new growth cease.
- lack normal structural organization
- lack normal function & control of normal tissues
- usually form a distinct mass of tissue
- may be either benign or malignant
onc/o; onch/o
bulk, mass, tumor
oncology
the specialty dealing with the physical, chemical and biologic features of neoplasms.
plasm/o
something formed, organized, formative e.g. neoplasm
sarcoma
malignant neoplasm arising from connective tissues
- proliferation of mesodermal cells
- muscle, bone, connective tissue
- usually highly malignant
- less common than carcinomas
sarc/o
[G. sark-, sárx] = flesh
(used for malignant neoplasms)
carcin/o
[G. karkinos] = crab, cancer
pertaining to cancer of epithelial tissues covering body and lining body cavities and organs
