Malignant transformation of perianal tailgut cyst: A case report

Table 1 Characteristics of patients with perianal tailgut cyst who accepted chemotherapy therapy

Ref.	Gender	Age (yr)	Pathology	Cause of chemotherapy	Scheme	Follow-up	PMID
Akira et al[14], 1998	Female	66	Moderately differentiated adenocarcinoma	Elevated carcinoembryonic antigen level	Oral tegafur, 200 mg daily	3.2 yr	9872560
Luis et al[13], 2009	Female	37	Mucinous adenocarcinoma	Resection was complete, but not en bloc	Intraperitoneal mitomycin C and doxorubicin plus systemic 5-fluorouracil and leucovorin	3.0 yr	19856666
Zhao et al[5], 2015	Female	44	Moderately differentiated adenocarcinoma	Elevated carcinoembryonic antigen level	Intracapsular tumor necrosis factor and raltitrexed plus systemic oxaliplatin 3-cycles (130 mg/m2)	9.0 wk	26656372