Oncology Ch 15 Flashcards
Oncology
The study, diagnosis, and treatment of tumors
onc/o
tumor
Malignant (tumor)
Cancerous tumor
Benign (tumor)
Nonmalignant tumor (non cancerous)
Neoplasm
Any abnormal new growth of tissue in which the multiplication of cells in uncontrolled, more rapid than normal, and progressive.
Apoptosis
The death of normal cells in a normal time cycle
Pedunculated
Having a penduncle or stalk
Well-circumsized
the mass that has well-defined borders
Encapsulated
the tumor that is within a border of connective tissue
Invasive
The mass does not have well-defined borders and is spreading
anaplastic
reverting to a more immature form
Carcinoma in situ
Contained at a site (not spreading)
Diffuse
Evenly spreading
Dysplastic
Abnormal cell development
Follicular
Containing grandular sacs
Hyperchromatic
Intensely colored
Hyperplastic
Excessive cell numbers
Hypoplastic
Deficient cell numbers
Nodular
Tight cell clusters
Pleomorphic
Having may cell types
Undifferentiated
Lacking a defined cell structure
Cystic
Fluid filled
Imflammatory
Appearing red and swollen
Medullary
large and fleshy
Necrotic
Containing dead tissue
Ulcerating
Having depressed, open areas
Verrucous
Having wartlike growths