L27 Flashcards
What Is tumor classification based on?
The parenchymal component
What are abdundant collagenous stroma called?
Desmoplasia
What suffix do bengin tumours end with?
-oma
What are adenomas?
Epithelial tumours in glands
What are cystadenomas?
Adenomas producing large cystic masses, common in ovary
What are papillomas?
surface epithelial tumours forming finger like projections
What are polyps?
a visible projection above a mucosal surface
What are tumors of lymphocytes called?
Lymphomas
Are lymphomas benign?
No.
What are sarcoma’s origin?
Mesenchymal cells
What are carcinoma’s origin?
epithelium cells
Where does squamous cell carcinoma originate from?
stratified squamous epithelial
Where does transitional cell carcinoma originate from?
Transitional epithelium of urinary bladder
What are mixed tumors?
They derive from a single germ layer
What are teratomas?
Arise from totipotential cells