Colorectal Pathology - Week 4 Flashcards
What is meant by a ‘polyp’?
A polyp is a protrusion above an epithelial surface. Tumour.
What are the types of polyps?
Mesenchymal or Epithelial and Benign or Malignant
Give an example of a benign epithelial polyp.
Inflammatory adenoma
Give an example of a benign mesenchymal polyp.
Lipoma
Give an example of a malignant epithelial polyp.
Polypoid adenocarcinomas
Give an example of a malignant mesenchymal polyp.
Sarcoma
Give the differential diagnoses for a colonic polyp.
Adenoma
Serrated polyp
Polypoid carcinoma
Other
How is the type of polyp confirmed?
Histopathology
Give 5 macroscopic appearances of polyps.
Pedunculated, Sessile, Flat, Irregular surface, long stalk
Most polyps are…
Adenomas
Which kind of kind occurs in Adenomas?
Dysplasia
Adenoma of the colon may lead to…
Adenocarcinoma
Why must all adenomas be removed?
They are all pre-malignant
How are adenomas removed?
Either done endoscopically or surgically
Primary treatment for adenocarcinoma of the bowel is…
Surgical intervention