Wireless capsule endoscopy in detecting small-intestinal polyps in familial adenomatous polyposis

Table 1 Spigelman classification of duodenal polyposis (adenomas in FAP)[15]

	Number of points
	1P	2P	3P
Number of polyps	1-4	5-20	> 20
Polyp size (mm)	1-4	5-20	> 10
Histology	Tubulous	Tubulovillous	Villous
Dysplasia	Mild	Moderate	Severe
Stage	Spigelman score
0		0
I		1-4
II		5-6
III		7-8
IV		9-12

Table 2 Clinical characteristics of the 14 patients with FAP studied with WCE

Patient No.	Sex	Age (yr)	Time of surgery before WCE (yr)	Type of surgery	No. of colon polyps	Colon cancer
1	M	54	4	IPAA	> 1000	No
2	F	23	BS	BS	> 100	No
3	M	53	5	IPAA	> 100	No
4	F	27	5	IPAA	> 100	No
5	M	28	4	IPAA	> 100	No
6	M	22	BS	BS	> 100	No
7	M	53	2	IRA	> 1000	No
8	F	26	3	IPAA	> 100	No
9	M	56	18	IRA	> 1000	No
10	F	29	10	IPAA	> 100	No
11	M	54	4	IPAA	> 1000	Yes
12	M	36	15	IRA	> 100	No
13	F	41	17	IRA	> 100	No
14	M	32	7	IPAA	> 100	No

FAP: Familial adenomatous polyposis; WCE: Wireless capsule endoscopy; IPAA: Ileal pouch-anal anastomosis; IRA: Ileorectal anastomosis; BS: Before surgery.

Table 3 Distribution and size of polyps according to Spigelman stage as assessed by WCE

Patient No.	Sex	Spigelman stage	Duodenal	Jejunal	Ileal	Rectal stump
1	M	IV	13	3	5	No
2	M	0
3	F	II	3	2	4	No
4	M	I	3		2	No
5	F	I	2	1	3	No
6	M	0				No
7	M	III	4	4	3	Yes
8	F	0				Yes
9	M	III	7	3	2	Yes
10	M	0				No
11	M	II	4	1	2	Yes
12	M	I	3			No
13	F	I	4	1	2	No
14	M	0				No