Neoplasia Flashcards
1
Q
Sarcoma is
A
a malignant tumor of mesenchymal origin
2
Q
osteosarcoma is a type of
A
Sarcoma
3
Q
Carcinoma is
A
a malignant tumor of epithelial origin
4
Q
Colonic adenocarcinoma is a
A
carcinoma type tumor, which means a malignant tumor of epithelial origin
5
Q
What is a tumor?
A
A tumor is swelling or an overgrowth of tissue. can be benign or malignant.
6
Q
Malignant tumor characterized by?
A
- Cells lose polarity
- High Nuclear : Cytoplasmic ratio.
- High mitotic index
- Poorly differentiated
- Pleomorphism - Disorganized growth–> cells different in shape and size.
- High METASTASIS potential
7
Q
Pleomorphism is usually a marker for malignancy, however, there is a very common type of benign tumor characterized by pleomorphism. what is it?
A
Pleomorphic Adenoma of the parotid - the most common benign tumor in the salivary gland.
