A Urachal Cyst Case with Painful Mass Locates at Ileal Mesentery

Table 1

Comparison of mesenteric cyst and urachal cysts.

	Urachal cyst	Mesenteric cyst
Incidence	Unclear	1/100000
Sex	Men > women	Women > men
Age	20–40	Second decade
Asymptomaticity	Usually	Usually
Most complications	Infection	Inflammation
CT findings	Cystic mass between transverse fascia and parietal peritoneum with no connection between cyst and other structures	Cystic mass at mesentery
Common location	In the lower third of the urachus	At the ileal mesentery
Malignancy	Sometimes	Sometimes
Recurrence	Frequent	Frequent
Treatment	Complete resection	Complete resection
Prognosis	Usually very good	Usually very good