Gastroenterology Quiz #28: Colon Polyps and Colorectal Cancer

1. A 52-year-old man undergoes a screening colonoscopy, and a single 1 cm sessile polyp is found in the sigmoid colon. Biopsy reveals tubular adenoma with low-grade dysplasia. Which of the following is the most appropriate next step in management? 

Question 1 of 5

2. A 65-year-old woman with a history of three adenomatous polyps found on her last screening colonoscopy 3 years ago comes in for follow-up. She has no family history of colorectal cancer. Which of the following is the most appropriate recommendation for her next screening colonoscopy? 

Question 2 of 5

3. A 70-year-old man presents with rectal bleeding and iron-deficiency anemia. Colonoscopy identifies a 3 cm villous adenoma in the rectum. Which of the following features of this polyp most significantly increases the patient's risk for colorectal cancer?

Question 3 of 5

4. A 58-year-old man is diagnosed with colorectal cancer. Histopathological examination reveals a mutation in the APC gene. This mutation is most commonly associated with which of the following conditions? 

Question 4 of 5

5. During a routine colonoscopy of a 60-year-old man with no significant medical history, multiple small (<5 mm) hyperplastic polyps are discovered in the rectosigmoid region. What is the most appropriate management for these polyps? 

Question 5 of 5


 

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