Colorectal cancer liver metastasis presenting as pneumoperitoneum: case report and literature review
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Updated: May 4, 2026

Application of Laparoscopic Hepatectomy Combined with Intraoperative Microwave Ablation in Colorectal Cancer Liver Metastasis
Published on: March 3, 2023
Gargeshwari Krishnamurthy Guru Raghavendra1, Michael Carr2, Rahul Dharmadhikari3
1Wansbeck General Hospital, 8, Meadowvale, Shiremoor, Newcastle upon Tyne, NE27 0BF UK.
Abstract:
Pneumoperitoneum presenting as air under diaphragm on erect chest X-ray is usually a result of hollow viscous perforation but can be a result of many other diagnoses including necrotising enterocolitis and ruptured liver abscess. We report a case of colon cancer with liver metastases presenting as pneumoperitoneum. This was a result of infection of the metastases with Clostridium septicum with resultant rupture in to sub diaphragmatic space.

