Neoplasia Flashcards
Define malignant neoplasm
Abnormal growth of cells that persists after the initial stimulus has been removed and invades surrounding tissue with potential to spread to distant sites
Define tumour
An umbrella term for any type of lump or swelling
Is dysplasia reversible?
Yes
Is metaplasia reversible?
Yes
Is neoplasia reversible?
No
What, in reference to neoplasia, is a primary site?
The original location of the neoplasm
What, in reference to neoplasia, is a secondary site?
Where the neoplasm has spread to
Define metastasis
Malignant neoplasm that has spread to new non-contiguous sites from its original
Do benign neoplasms spread?
No
Define some characteristics of benign neoplasms
Don’t spread, remain confined to site of origin, will continue to grow unless removed, may be asymptomatic
List some characteristics of malignant neoplasms
Have the POTENTIAL to metastise (doesn’t mean they will)
Define neoplasm
Abnormal growth of cels that persists after the initial stimulus is removed
in which gender are teratomas malignant or benign?
Benign- women. Malignant- men.
Why are teratomas more likely to be malignant in men?
The testes are less well differentiated compared to teratomas present in the ovaries
What are blastomas?
Malignancy of precursor cells, more common in children eg retinoblastoma, nephroblastoma
