Serrated Polyps Quiz

Below you find the 20 quiz cases. The online quiz has been answered by 168 pathologists around the world in January/February 2006. You may directly jump to the answer key.

Recommended Reading

The classification of the quiz cases is based on the recently published article: Snover DC, Jass JR, Fenoglio-Preiser C, Batts KP. Serrated Polyps of the Large Intestine. A Morphologic and Molecular Review of an Evolving Concept. Am J Clin Pathol 2005; 124:380-391.

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Case 1

75 year-old female, polyp (2.5cm) of the descending colon. (Click on the small thumbnail images to see the full view! Close the image window after viewing the image!)

What is your diagnosis for case 1

1 Hyperplastic polyp

2 Traditional serrated adenoma

3 Sessile serrated adenoma

4 Tubular/villous/tubulovillous adenoma

Case 2

63 year-old male, polyp (0.7cm) of the rectum.

What is your diagnosis for case 2

1 Hyperplastic polyp

2 Traditional serrated adenoma

3 Sessile serrated adenoma

4 Tubular/villous/tubulovillous adenoma

Case 3

49 year-old female, polyp (0.7cm) of the rectum.

What is your diagnosis for case 3

1 Hyperplastic polyp

2 Traditional serrated adenoma

3 Sessile serrated adenoma

4 Tubular/villous/tubulovillous adenoma

Case 4

52 year-old female, polyp (0.8cm) of the cecum.

What is your diagnosis for case 4

1 Hyperplastic polyp

2 Traditional serrated adenoma

3 Sessile serrated adenoma

4 Tubular/villous/tubulovillous adenoma

Case 5

68 year-old male, polyp (0.5cm) of the cecum.

What is your diagnosis for case 5

1 Hyperplastic polyp

2 Traditional serrated adenoma

3 Sessile serrated adenoma

4 Tubular/villous/tubulovillous adenoma

Case 6

75 year-old female, polyp (0.9cm) of the transverse colon.

What is your diagnosis for case 6

1 Hyperplastic polyp

2 Traditional serrated adenoma

3 Sessile serrated

4 Tubular/villous/tubulovillous adenoma

Case 7

71 year-old female, polyp (0.5cm) of the rectum.

What is your diagnosis for case 7

1 Hyperplastic polyp

2 Traditional serrated adenoma

3 Sessile serrated adenoma

4 Tubular/villous/tubulovillous adenoma

Case 8

41 year-old male, polyp (1.0cm) of the transverse colon.

What is your diagnosis for case 8

1 Hyperplastic polyp

2 Traditional serrated adenoma

3 Sessile serrated adenoma

4 Tubular/villous/tubulovillous adenoma

Case 9

42 year-old female, polyp (1.3cm) of the sigmoid colon.

What is your diagnosis for case 9

1 Hyperplastic polyp

2 Traditional serrated adenoma

3 Sessile serrated adenoma

4 Tubular/villous/tubulovillous adenoma

Case 10

52 year-old male, polyp (1.8cm) of the transverse colon.

What is your diagnosis for case 10

1 Hyperplastic polyp

2 Traditional serrated adenoma

3 Sessile serrated adenoma

4 Tubular/villous/tubulovillous adenoma

Case 11

58 year-old female, polyp (1.2cm) of the ascending colon.

What is your diagnosis for case 11

1 Hyperplastic polyp

2 Traditional serrated adenoma

3 Sessile serrated adenoma

4 Tubular/villous/tubulovillous adenoma

Case 12

49 year-old male, polyp (0.5cm) of the rectum.

What is your diagnosis for case 12

1 Hyperplastic polyp

2 Traditional serrated adenoma

3 Sessile serrated adenoma

4 Tubular/villous/tubulovillous adenoma

Case 13

62 year-old male, polyp (3.0cm) of the sigmoid colon.

What is your diagnosis for case 13

1 Hyperplastic polyp

2 Traditional serrated adenoma

3 Sessile serrated adenoma

4 Tubular/villous/tubulovillous adenoma

Case 14

54 year-old male, polyp (0.6cm) of the ascending colon.

What is your diagnosis for case 14

1 Hyperplastic polyp

2 Traditional serrated adenoma

3 Sessile serrated adenoma

4 Tubular/villous/tubulovillous adenoma

Case 15

55 year-old male, polyp (1.5cm) of the cecum.

What is your diagnosis for case 15

1 Hyperplastic polyp

2 Traditional serrated adenoma

3 Sessile serrated adenoma

4 Tubular/villous/tubulovillous adenoma

Case 16

47 year-old male, polyp (0.6cm) of the ascending colon.

What is your diagnosis for case 16

1 Hyperplastic polyp

2 Traditional serrated adenoma

3 Sessile serrated adenoma

4 Tubular/villous/tubulovillous adenoma

Case 17

59 year-old female, polyp (0.8cm) of the sigmoid colon.

What is your diagnosis for case 17

1 Hyperplastic polyp

2 Traditional serrated adenoma

3 Sessile serrated adenoma

4 Tubular/villous/tubulovillous adenoma

Case 18

60 year-old male, polyp (3.0cm) of the transverse colon.

What is your diagnosis for case 18

1 Hyperplastic polyp

2 Traditional serrated adenoma

3 Sessile serrated adenoma

4 Tubular/villous/tubulovillous adenoma

Case 19

43 year-old female, polyp (0.8cm) of the transverse colon.

What is your diagnosis for case 19

1 Hyperplastic polyp

2 Traditional serrated adenoma

3 Sessile serrated adenoma

4 Tubular/villous/tubulovillous adenoma

Case 20

82 year-old male, polyp (0.5cm) of the rectum.

What is your diagnosis for case 20

1 Hyperplastic polyp

2 Traditional serrated adenoma

3 Sessile serrated adenoma

4 Tubular/villous/tubulovillous adenoma

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