04 March 2026
: Case report 
Internal Hernia Through the Pars Flaccida: A Rare Intraoperative Finding
Unknown etiology, Challenging differential diagnosis, Management of emergency care, Rare disease, Educational Purpose (only if useful for a systematic review or synthesis), Rare coexistence of disease or pathology
Anibal La Riva
ABCDEF 1*, Valentin Mocanu ABCEF 1, Mélissa V. Wills ABE 1, Salvador Navarrete ABCEF 1
DOI: 10.12659/AJCR.951154
Am J Case Rep 2026; 27:e951154
Table 1 Case reports of laparoscopic isolated internal hernia through pars flaccida of the lesser omentum.
| Author, year, country | Age | Sex (M/F) | BMI, Kg/m2 | Symptoms reported | Prior surgery | Presentation after prior surgery (months) | Herniated organ |
|---|---|---|---|---|---|---|---|
| Masubuchi et al, 2012 [] (Japan)14 | 57 | F | Not available | Nausea, vomiting, abdominal distension | Laparoscopic-assisted partial resection of the transverse colon | 42 | Small bowel |
| Ugianskis, 2022 [] (Denmark)3 | 35 | M | 21 | Post prandial LUQ abdominal pain, vomiting, belching | Laparoscopic total colectomy with terminal ileostomy | 9 | Small bowel |
| Alves et al, 2023 [] (Switzerland)16 | 65 | F | 26 | Upper abdominal pain, nausea, emesis | None | Not applicable | Small bowel |
| Makutani et al, 2024 [] (2 cases) (Japan)15 | 36; 38 | F; F | 17.9; 16.5 | 10 episodes of bowel obstruction; severe abdominal pain and vomiting | Laparoscopic total colectomy with an ileal pouch-anal anastomosis and ileostomy | 4; 6 | Small bowel |
| BMI – body mass index. | |||||||