Neoplasia Flashcards
What is a Benign tumor
Tumors that have a limited growth potential
What is Malignant tumor
Tumors that grow uncontrollably and eventually can kill
What are the 3 features of a Benign tumor
Encapsulation
Expansile growth
Compress the normal surrounding tissue
What suffix describes a benign tumor with glandular tissue?
“Adenomas”
What are the key features of a malignant tumor
Invade surrounding tissue by infiltration
Hemorrhage
Necrosis
What does Metastasis mean?
Which tumors have this capability?
Process which cells move from one site to another in the body
Malignant tumors
What are the 3 main pathways of malignant cells?
Lymphatics (breast cancer)
Bloodstream
Direct extension of the primary tumor, usually by seeding of the surface of body cavities (Renal cell carcinoma seeding into the adrenal gland)
What does Oncology mean?
Study of cancer
What does the prefix Leio describe?
Smooth muscle
What is a malignant tumor of connective tissue origin called?
Give some examples
“Sarcoma”
Fibrosarcoma = Fibrous tissue
Liposarcoma
Osteosarcoma
What is the most common cancer of the kidneys within children?
Wilms tumor
What are malignant tumors of epithelial origin called?
Give some examples
“Carcinomas”
Oral Squamous Cell Carcinoma
Breast Carcinoma
Gastric Carcinoma
What are Malignant tumors composed of embryonic tissue called?
What are some examples
Blastomas
Retinoblastomas
Neuroblastomas
Medulloblastomas
What are examples of tumors that end with “oma” but are not considered benign?
Lymphomas
Melanomas
Astrocytomas (cancer of astrocytes in the brain)
Seminomas (testis)
What are tumors that derive from three germ cell layers, usually in the testes or ovaries called?
Teratomas (benign)
Teratocarcinomas (malignant)
