Histological evaluation

Number (n)

(Male:Female)

Percentage (%)

(Male:Female)

Benign

Tailgut cyst

4

(1:3)

57.1%

(25%:75%)

Epidermoid cyst

2

(0:2)

28.6%

(0%:100%)

Malignant

Chordoma

1

(1:0)

14.3%

(100%:0%)