Ch. 3 Study Guide Neoplasms Flashcards
(96 cards)
neoplasm =
new growth
A tumor is . . .
- swelling or neoplasm
- benign or malignant
Leukemia is . . .
malignant disease of bone marrow with an increase in WBCs.
A hematoma is a . . .
blood tumor, not cancerous.
Neoplasms are classified 2 ways . . .
- according to appearance & growth
- tissue of origin.
Appearance and growth is either . . .
benign or malignant.
Benign tumors are . . .
- confined
- will not spread
- noncancerous
Malignant tumors . . .
- metastasize to other areas
- cancerous
Tissue of origin means . . .
named according to where the tumor is found,
Lipoma is . . .
a fatty tumor.
A neuroma is . . .
a nerve tumor.
Ex: Morton’s neuroma - benign.
Epithelial tissue - benign tumor of a gland - _______, malignant neoplasm of skin/epithelial tissues = _______.
- adenoma
- carcinoma
Connective tissue (bone, muscle, fat) - benign tumor of bone = _______; malignant neoplasm = _______
- osteoma
- osteosarcoma
_______ - neoplasm from connective tissue (spread quickly, highly malignant).
Sarcoma
Lymphatic/Blood-forming tissues - lymphomas =
malignant neoplasms
All leukemias and lymphomas are . . .
malignant.
Normal cell growth and function are regulated by what 3 factors:
- genes
- contact w/other cells (2 normal cells contact each other and transmit a signal to stop growing.)
- growth-promoting or growth-inhibiting substances - when they stop growing, they perform their specific functions (they differentiate into their specializations.)
Benign neoplasm growth specifics (7):
- they might retain some normal structure/function
- usually encapsulated
- easy to remove
- slower growing than malignant neoplasms
- can push on nerve endings causing pain, loss of sensation/movement
- could cause over/under hormone secretion
- brain tumor could cause death even though benign
Malignant neoplasm (cancer) growth specifics (8):
- growth pattern is uncontrollable/has no purpose
- does not have normal structure/function
- structure is haphazard and inconsistent
- no differentiation/no specialized function
- not encapsulated
- crab-like in appearance/claw-like extensions invading surrounding tissue
- metastasizes to distant sites
- angiogenesis occurs
Angiogenesis occurs to increase blood flow because of what growth?
cancer; malignant neoplasm
Angiogenesis causes normal cells to be deprived of nutrients and causes . . .
cachexia
Cachexia is . . .
when a person loses weight and appears frail and weak.
Hyperplasia is . . .
too much growth.
Neoplasm is . . .
new growth (abnormal cells).