Large Bowel Neoplasia Flashcards
1
Q
Describe low grade dysplasia
A
Increased nuclear number and size
Reduced mucin
2
Q
Describe high grade dysplasia
A
Carcinoma in situ
Cells are crowded and very irregular
However, they are not yet invasive
3
Q
What occurs after dysplasia
A
Malignancy - colorectal carcinoma
4
Q
Which dysplasia forms in the large intestine
A
Ademoma - type of polyp
5
Q
Types of adenoma
A
Tubular
Villous
Tubulovillous
6
Q
Describe tubular adenomas
A
Small structure
Lined by mucous secreting epithelium showing various degrees of dysplasia
7
Q
Describe Villous adenomas
A
Extend over a wider area
Elongated villi covered by columnar epithelium
Show dysplasia
8
Q
Describe tubulovillous adenomas
A
Intermediate in pattern
