classification of neoplasms Flashcards
1
Q
teratoma
A
- benign tumors that arise from germ cells and contain derivatives of different germ layers
- ie: tumor containing hair, teeth, bone
2
Q
hamartoma
A
disorganized normal tissue
- due to disordered differentiation during embryonic development
3
Q
choristoma
A
ectopic islands of normal tissue (ie: pancreatic tissue in stomach wall)
4
Q
leiomyoma
A
benign tumor uterus from smooth muscle cells
5
Q
papillary
A
frond-like structure (secondary descriptor)
6
Q
medullary
A
secondary descriptor- soft, cellular tumors with little CT
7
Q
scirrhous or desmoplastic
A
dense fibrous stroma
8
Q
colloid
A
carcinomas secreting mucus
9
Q
comedocarcinoma
A
intraductal neoplasm expressing necrotic material from duct