Table 1.

Clinical and surgical data in our patient and 17 previously reported cases

Authors	Age (yr)/Sex	Symptoms	Surgical approach	Resection
MacCarty (1965)	37/M	None	Transperitoneal approach + sacral amputation	C
Andersen (1986)	14/M	None	Transperitoneal approach	C
Richardson (1986)	71/M	Neurogenic bladder, constipation	Sacral laminectomy	P
Leeson and Hite (1989)	21/F	Pain, weight gain, urinary frequency	Transperitoneal approach	P
Stener (1989)	20/F	Pain	Sacral amputation	C
Spirnak and Wood (1993)	8/M	Constipation	Not specified	C
Okai (2001)	70/M	Constipation, pain	Transperitoneal approach	P
Lam and Nagib (2002)	11/M	Constipation	Transperitoneal approach + laminectomy	C
Marmor (2002)	70/M	None	Transperitoneal approach	C
Modha (2005)	65/F	Pain	Retroperitoneal exposure	P
	21/F	Pain	Retroperitoneal exposure	P
	21/M	None	Transperitoneal approach	P
	19/F	Constipation, low back pain	Transperitoneal approach	C
	28/F	Low back pain	Transperitoneal approach	P
Przkora (2005)	17/F	Amenorrhoea, weight loss	Sacral resection+laminectomy	C
Cerullo (2005)	64/M	None	Transperitoneal approach	C
Mounasamy (2006)	64/M	Low back and leg pain	Transperitoneal approach + laminectomy	C
	21/F	None	Transperitoneal approach + laminectomy	P

C: complete rection; P: partial resection; M: male; F: female.