Appendix Multiple choice Questions(MCQ)

Q1. Which of the following is the least common position of appendix?

a) Retroileal

b) Retroceacal

c) Postileal

d) Pelvic

Q2. Most Common malignancy of appendix is?

a) Carcinoid Tumor

b) Adenocarcinoma

c) Squmaous Cell carcinoma

d) MIxed Cellularity

Q3. All are Ultrasonic features of Acute Appendicitis except?

a) A compressible blind ending tube

b) Diameter of more than 7 mm

c) Loss of submucosal echogenicity

Q4. What is not true as differentail diagnosis for appendicits in the elderly

a) Adenocarcinoma appendix

b) Diverticulitis

c) Pyelonephritis

d) Colitis

Answers

1.a

Retroileal is seen in only .2% MOst common position is retrocaecal 65% followed by Pelvic (20%), preileal and post ileal

2. b

It was previously believed that carcinoid tumors are the most common tumors of the appendix ( Sabiston 17th) but now data from SEER ( Surveillane, epidimology and End results) show that mucinous adenocarcinomas are more common

Sabiston 18th page 1344.

All these are true

4.a)

Altough adenocarcinoma of appendix can present as appendicitis, it is never kept as a differential diagnosis when appendicits is contemplated.