presentation3
TRANSCRIPT
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polyps
Single or multiple
Sessile/ pedunculated
Best seen with DCBE
Often impossible to exclude malignancyBut size more than 2cm short
thick stalk irregular surface rapid rate
of growth
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polypsAdenomatous benign e.g. familial
polyposis undergo malignant
change
Villous adenoma sessile large
high incidence of malignant change
Polypoidal carcinoma
Juvenile polyp children developmental
Inflammatory polyp
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Colonic carcinoma
BE LT annular narrowing-apple core
RT fungating FD
Multiple carcinoma should be excluded
Elderly-BE alternative is CT with rectal contrast/air
Wall thickening or irregular narrowing
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CT/MRI in rectal carcinoma
Main role local invasion postoperative
recurrence
Invasion of organssacrumpelvic side wallsLNsliver & para-aortic LNs