16190607
Tumour of small and large bowel
- Primary
- non-neoplastic polyps
- Hyperplastic (metaplastic) polyps
- common lesions >50% of ppl over 60s
- often found in the recto-sigmoid
- Less than 5mm
- single/ multiple
- Asymptomatic
- compose of non-neoplastic glands with goblet cell differentiation and serrated appearance
- Results from
- Delayed shedding of surface epithelial cells
- Delayed shedding of surface epithelial cells
- common lesions >50% of ppl over 60s
- Hamartomatous polyps
- Type
- Juvenile
- Peutz-Jeghers
- Juvenile
- Syndrome associated with harmatomatous polyps
- Cowden syndrome
- Cronkhite-Canada syndrome
- Cowden syndrome
- Type
- Inflammatory polyps
- Lymphoid polyps
- Hyperplastic (metaplastic) polyps
- Epithelial neoplasms
- Benign adenomatous polyps
Nota:
- Aka Neoplastic polyps
- Malignant
- adenocarcinoma
- Carcinoid
- adenocarcinoma
- Benign adenomatous polyps
- Mesenchymal neoplasm
- Lymphoma
- Mass arising from the mucosal epithelium or from the submucosal connective tissue protruding into the lumen of the gut
- Type
- non-neoplastic polyps
- Neoplastic polyps = ADENOMAS
- non-neoplastic polyps
- Pendunculate (with a stalk) or Sessile (flat)
- Type
- non-neoplastic polyps
- Secondary (rare)
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