| Ladd [4] | 1937 | 19m | M | Dyspepsia, vomiting | Terminal ileal mesentery | Simple and pseudostratified columnar epithelium |
| Duncan [7] | 1992 | 7d | (-) | Prenatal diagnosis | The left adrenal gland | Gastrointestinal mucosa |
| 1d | M | Prenatal diagnosis | Retroperitonum posterior to the pancreatic head | Intestinal mucosa |
| Steiner [19] | 1999 | 7d | M | Prenatal diagnosis | Mesentery in the vicinity of the Treitz ligament | Gastric mucosa, focal squamous metaplasia |
| Kim [8] | 2003 | 28y | M | Abdominal mass | Mesentery in the vicinity of the Treitz ligament | Gastric mucosa |
| Menon [10] | 2004 | 6d | M | Abdominal distension | Terminal ileal mesentery | Gastrointestinal mucosa |
| 10w | M | Abdominal mass | (1) Mesentery in the vicinity of the duodenojejunal flexure;(2) Ileal mesentery | Gastrointestinal mucosa |
| Sinha [17] | 2006 | 4d | F | Abdominal mass | Ileal mesentery | Gastric mucosa |
| Okamoto [13] | 2008 | 27d | M | Prenatal diagnosis | Retroperitonum posterior to the pancreatic tail and stomach | Gastric mucosa |
| Srivastava [23] | 2008 | 3y | F | Abdominal pain and mass | Terminal ileal mesentery | Gastrointestinal mucosa |
| Nichols [12] | 2011 | 27y | F | Abdominal mass | Descending colonic mesentery | Columnar mucinous epithelium |
| Pant [14] | 2012 | 18m | M | Abdominal pain, distension and bilious vomiting | Terminal ileal mesentery | Gastric mucosa |
| Bal [5] | 2014 | 9m | M | Haematuria, dysuria and anaemia | Retroperitonium, communicating with the right pelviureteric junction | Gastric mucosa |
| Mandhan [9] | 2014 | 2d | M | Prenatal diagnosis | (1) Proximal jejunal mesentery(2) Retroperitoneum | Small bowel mucosa |
| Park [15] | 2014 | 36y | F | Abdominal pain | Terminal ileal mesentery | Simple cuboidal-to columnar mucous epithelium and partly gastric mucosa |
| Sasaki [16] | 2018 | 19y | M | Abdominal pain | Retroperitoneum, between the pancreatic body and transverse mesocolon | Intestine-like mucosa and partly simple columnar epithelium |
| Xiao-Ming [21] | 2018 | 20y | M | Abdominal pain, vomiting, nausea and abdominal distention | Ileal mesentery | Transition of squamous and glandular epithelia, gastric mucosa and intestinal metaplasia |
| Nakashima [11] | 2019 | 43y | F | Abdominal pain and mass | Pancreatic head | Gastric mucosa, adenocarcinoma |
| Tanaka [20] | 2019 | 5y | F | Abdominal pain | Ileal mesentery | Intestinal tissues and pancreatic tissue |
| Deng [6] | 2019 | 10y | M | Abdominal pain | Tail of the pancreas | Gastrointestinal mucosa and pancreatic tissue |
| Siragusa [18] | 2020 | 26y | F | Dysmenorrhea | Ileal mesentery | Pseudostratified ciliate epithelium |