Malignant neoplasms of the small bowel tend to have a characteristic anatomic distribution. Which of the following statements are true?
A. Adenocarcinomas of the small intestine show a distinct polarity with decreasing frequency from duodenum to ileum
B. Adenocarcinoma of the small intestine associated with Crohn’s disease occurs primarily in the ileum
C. Lymphomas of the small intestine arise primarily in the jejunum
D. The vast majority of carcinoid tumors of the small intestine occur in the ileum
Answer:A
Malignant neoplasms of the small bowel tend to have a characteristic anatomic distribution. Which of the following statements are true?
A. Adenocarcinomas of the small intestine show a distinct polarity with decreasing frequency from duodenum to ileum B. Adenocarcinoma of the small intestine associated with Crohn’s disease occurs primarily in the ileum C. Lymphomas of the small intestine arise primarily in the jejunum D. The vast majority of carcinoid tumors of the small intestine occur in the ileum