Table 1
Review of literature on omphalomesenteric fistula

Study	Gestational age (wk)	Body weight (g)	Presenting age	Presenting symptom	Diagonostic evaluation	Finding	Surgical treatment	Outcome
Maxwell et al. [2]	33	Unknown	At birth	Meconium in the umbilical cord	Fistulography	Omphalomesenteric duct fistula	Stapled resection of the ileum	Discharged without complication
Jin et al. [8]	34+6	2,250	At birth	Meconium in the umbilical cord	Abdomen sonographyFistulography	Omphalomesenteric duct fistula	Segmental resection of the ileum and end-to-end anastomosis	Discharged without complication on the 19th postoperative day
Sohn et al. [11]	Unknown	3,500	3 Days old	Protruding mass from the umbilicus	Abdomen sonographyExploratory laparotomy	Omphalomesenteric duct fistula on the sac and prolapsed ileum	Segmental resection of the ileum and end-to-end anastomosis	Discharged without complication
Cheikh et al. [4]	Unknown	Unknown	15 Days old	Small bowel evisceration through the umbilicus	Abdomen sonography	Omphalomesenteric fistula with a T shaped prolapse of the small intestine	Small bowel resection followed by end-to-end anastomosis	Discharged without complications
Tatekawa [12]	39	3,036	22 Days old	Yellow discharge from the umbilicus	Fistulography	Omphalomesenteric duct fistula	Intraumbilical round incision to resect the patent duct	Discharged without complication
Konvolinka [3]	Unknown	Unknown	6 Weeks old	Fecal discharge from the umbilicus	Fistulography	Omphalomesenteric duct fistula	Laparotomy via a small sub-umbilical incision with segmental resection	Discharged without complication