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Ischemic enterocolitis without arterio-occlusive lesion
Acta Pathologica Japonica
|March 1, 1983
Summary
Ischemic enterocolitis can occur without arterial blockages, often linked to colon cancer or inguinal hernias. Transient intestinal strangulation is the likely cause of these non-arterio-occlusive ischemic lesions.
Area of Science:
- Gastroenterology
- Pathology
- Surgical Oncology
Background:
- Ischemic enterocolitis (IEC) is a condition characterized by reduced blood flow to the intestines.
- While often associated with arterial occlusive disease, non-arterio-occlusive causes are less understood.
- This study investigates IEC cases lacking typical arterio-occlusive lesions.
Observation:
- Four cases of IEC without arterio-occlusive lesions were analyzed.
- Three cases were associated with sigmoid colon carcinomas, with lesions occurring anal or oral to the tumor/ostomy.
- One case involved ischemic stricture of the ileum due to incarceration in an inguinal hernia.
Findings:
- Ischemic lesions affected short intestinal segments and were not related to the teniae coli.
- Extensive veno-occlusive lesions were noted in the ileal stricture case.
- The findings suggest reversible mechanical occlusion from transient or recurrent intestinal strangulation as the probable cause.
Implications:
- Highlights a distinct etiology for ischemic enterocolitis beyond arterial disease.
- Suggests considering mechanical obstruction, such as strangulation, in the differential diagnosis of IEC.
- Informs surgical and diagnostic approaches for patients presenting with non-arterio-occlusive ischemic enterocolitis, particularly those with hernias or colorectal cancer.