Clinical characteristics of perineal endometriosis: A case series

Table 2 Preoperative evaluation, treatment, follow-up and outcome of 14 perineal endometriosis patients

Case No.	Size of lesions (mm)	Involvement of perianal muscles	Preoperative VAS score	Surgery	VAS score at the 3rd month after surgery	Follow-up time (mo)	Follow-up outcome
1	20, 25	Sphincter ani externus	10	c	0	7	Normal
2	20, 35	-	6	a	0	14	Normal
3	10	-	3	a	0	14	Normal
4	30	Levator ani	10	b	4	22	Normal
5	25	-	4	a	0	34	Relapse
6	25	-	7	a	0	35	Normal
7	20, 25	Levator ani	9	b	1	41	Normal
8	20	-	9	a	3	52	Normal
9	30	-	5	a	0	68	Normal
10	15	-	6	a	0	101	Normal
11	30	-	7	a	0	129	Normal
12	5, 5, 10, 20	-	7	a	0	4	Normal
13	30	-	3	a	0	12	Normal
14	40	Levator ani	7	b	0	6	Normal

a: Lesion resection; b: Lesion resection and levator ani muscle repair; c: Extensive perineal endometriosis lesion resection + anal sphincter repair. VAS: Visual analogue scale.