Retrorectal mucinous adenocarcinoma arising from a tailgut cyst: A case report and review of literature

Table 1 Summary of disease information on adenocarcinogenesis of tailgut cysts published from 1990-2021

Case	Ref.	Sex	Age	Clinical symptoms	Duration	Size (mm)	MRI/CT	Biopsy	Invasion	Position S4+/S3-	CEA/CA199	Surgery planning
1	Baverez et al[19], 2021	F	57	Perianal suppuration	5 yr	55	+/+	+	Anal canal and perianal skin	-	30/UN	Abdominoperineal resection
2	Wang et al[3], 2020	F	50	Irregular defecation	2 wk	90 × 80	+/+	-	-	-	79.89/57.60	Trans-sacrococcygeal approach
3	Rachel et al[20], 2019	F	73	Anal abscess and associated fistula	40 yr	56 × 46	+/+	+	Anal canal and perianal skin	-	UN	Trans-sacrococcygeal approach
4	Martins et al[4], 2020	F	54	Pelvic and perineal pain	1-2 mo	50 × 35	+/+	+	Sacrum	-	UN	Trans-sacrococcygeal approach
5	Li et al[21], 2019	M	33	-	-	80 × 59	+/-	-	-	-	26.97/106.50	Trans-sacrococcygeal approach
6	Şahin et al[22], 2020	F	55	Swelling of the buttocks	6 mo	21 × 16	+/-	-	-	-	-/204	Trans-sacrococcygeal approach
7	Almeida Costa and Rio[23], 2018	F	53	Defecation and lower abdominal pain	UN	UN	+/+	-	Sacrum	+	UN	Trans-sacrococcygeal approach
8	Zhao et al[11], 2015	F	44	Pelvic and perineal pain	6 mo	100	-/+	+	Rectum and surrounding	+	+/UN	Partial resection and drainage of the pelvic tumor
9	Chhabra et al[8], 2013	F	56	Hematuria	1 yr	46 × 37	-/+	+	-	-	-/UN	Trans-sacrococcygeal approach
10	Jarboui et al[24], 2008	F	49	Pelvic and perineal pain	6 mo	150	-/+	-	-	+	UN	Laparotomy
11	Tampi et al[2], 2007	F	57	Low backache	6 mo	120 × 100 × 80	-/+	-	Liver	+	-/-	Laparotomy
12	Andea and Klimstra[25], 2005	F	47	Gluteal pain	3 mo	40 × 40	UN/UN	-	-	UN	-/UN	UN
13	Cho et al[26], 2005	F	40	Perianal pain	1 mo	100 × 80 × 70	+/	+	Sacrum	-	159/2270	Abdominoperineal resection and partial sacrectomy
14	Kanthan et al[12], 2004	F	76	Perianal pain	UN	65 × 45 × 35	-/+	+	-	-	UN	Trans-sacrococcygeal approach
15	Moreira et al[13], 2001 (case-1)	F	64	Constipation and frequent urination	2 mo	120 × 100	+/UN	-	-	UN	UN	UN
16	Moreira et al[13], 2001 (case-2)	F	68	Rectal “fullness”	2 yr	180 × 40	+/+	-	-	UN	UN	UN
17	Schwarz et al[14], 2000	M	47	Bilateral flank pain, constipation	3 mo	160	-/+	-	-	-	46/-	Abdominoperineal resection and partial sacrectomy
18	Prasad et al[27], 2000	F	36	-	UN	95 × 92 × 88	+/+	UN	-	UN	UN	UN
19	Sauer et al[28], 2000	F	58	Recurrent perianal fistulas	17	55 × 40 × 35	+/+	-	-	+	6.7/42	Laparotomy
20	Graadt van Roggen et al[7], 1999	F	43	-	-	130	+/-	-	UN	+	+/UN	UN
21	Maruyama et al[29], 1998	F	66	Perianal pain	6 mo	100 × 90	+/+	-	-		3.8/-	Trans-sacrococcygeal approach
22	Lim et al[10], 1998	F	40	Urinary frequency and constipation	8 mo	250 × 100 × 100	+/-	-	-	UN	-/-	Laparotomy
23	Yamaguchi et al[30], 2001	M	32	Anal fistula	4 yr	UN	+/+	-	Rectum	UN	UN	Pelvic evisceration
24	Liessi et al[31], 1995	M	50	UN	UN	UN	+/+	UN	Sacrum	UN	UN	Trans-sacrococcygeal approach

CT: Computed tomography; MRI: Magnetic resonance imaging; F: Female; M: Male; CEA: Carcinoembryonic antigen.