Table 2

Description of fistulas at ultrasound (US), US-fistulography (US-F), x ray fistulogram (Xry-F) and surgery

			Patency				Internal opening				Branches
Patient no	Sex	Age (y)	US	US-F			Xry-F	Surgery			US	US-F	Xry-F	Surgery	US	US-F	Xry-F	Surgery
1	M	45	Yes	Yes		Yes		Sigma	Sigma		Sigma		No	No		No
2	M	43	Yes	Yes		Yes		Ileum	Ileum		Ileum		No	No		No
3	F	46	Yes	Yes		Yes		Ileum	Ileum		Caecum		No	No		No
4	F	38	No	Yes		Yes		Ileum	Ileum		Ileum		Yes	Yes		Yes
5	M	37	Yes	Yes	Yes	Yes		Ileum	Ileum	Ileum	Ileum		Yes	Yes	No	Yes
6	M	40	Yes	Yes	Yes	Yes		Caecum	Ileum	Ascending colon	Ileum		Yes	Yes	Yes	Yes
7	M	24	Yes	Yes	Yes	Yes		Caecum	Ileum	No	Caecum		Yes	Yes	Yes	Yes
8	M	37	No	Yes	Yes			No	Ileum	Ileum			No	No	No
9	M	32	No	Yes	Yes			Ileum	Ileum	No			No	No	No
10	M	34	No	Yes	Yes			Ileum	Ileum	Ileum			No	No	No
11	F	31	No	Yes	Yes			Sigma	Sigma	Sigma			Yes	Yes	Yes
12	F	28	No	Yes	Yes			Ileum	Ileum	No			No	No	No
13	F	36	No	Yes	Yes			No	Ileum	No			No	Yes	Yes
14	F	27	No	Yes	Yes			No	Ileum	Ileum			No	No	No
15	M	46	No	Yes	Yes			No	Ileum	Ileum			No	No	No
16	M	23	No	Yes	Yes			No	No	No			No	Yes	No
17	F	41	No	Yes	Yes			No	No	No			Yes	Yes	No