Intestinal polyps that can potentially grow into cancer
Correct Answer: Adenomatous polyp
Description: Ans. a (Adenomatous polyp) (Ref. Bailey and Love surgery 24th/pg. 1177).# Not pre-malignant - Hyperplastic polyp.COLONIC POLYPSAdenomatous polyp:# Benign epithelial neoplasm# They are pre-malignant and risk of malignancy increases with size# Malignancy more common in villous rather than tubular lesions# Most adenomas are asymptomatic# 10% of population over 45 years have adenomatous polyps# If do become symptomatic usually present with bleeding, mucous discharge or prolapse# Villous adenomas may produce hypokalemia but this is rare# Diagnosis is often by sigmoidoscopy or colonoscopy# Full colonoscopy essential to exclude other lesions# Treatment is by transanal excision or colonoscopic snaring# Patients require regular colonoscopic surveillanceJuvenile Polyp# Commonest form of polyp in children# Can occur throughout large bowel but are most common in the rectum# Usually present before 12 years# Present with prolapsing lump or rectal bleeding# Not pre-malignant# Treated by local endoscopic resection# Juvenile polyposis can be premalignant.Peutz-Jeghers syndrome# Rare familial disorder# Circumoral pigmentation and intestinal polyps# Polyps found throughout gut but most common in the small intestine# Presents in childhood with bleeding, anaemia or intussusception# PJS Polyps per say are not malignant.Metaplastic polyp:# Small plaques approximately 2 mm in diameter# Pathogenesis unknown
Category:
Surgery
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now