Table 1 Clinical features of retroperitoneal isolated enteric duplication cyst in adults (n = 18)

Age (years)

49.9 ± 17.7 (19–75)

Sex (male:female)

6:12

Asymptomatic, yes

5 (28%)

Diameter of cyst (mm)

76.6 ± 35.2 (35–148)

Location (right:left)

5:11

Not described in 2 cases

Mural nodule, present

7 (44%)

Calcification, present

7 (41%)

Not described in 1 case

Shape of cyst

(unilocular:multilocular)

13:5

Malignancy, yes

6 (33%)

Operative method

(laparotomy:laparoscopic)

11:7