title: Colorectal cancer liver metastasis presenting as pneumoperitoneum: case report and literature review.
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.
authors.affiliation: Wansbeck General Hospital, 8, Meadowvale, Shiremoor, Newcastle upon Tyne, NE27 0BF UK.
authors.forename: Gargeshwari Krishnamurthy Guru
authors.initials: GK
authors.lastname: Raghavendra
authors.affiliation: Department of Surgery, Wansbeck General Hospital, Woodhorne Lane, Ashington, NE66 9JJ UK.
authors.forename: Michael
authors.initials: M
authors.lastname: Carr
authors.affiliation: Department of Radiology, Wansbeck General Hospital, Woodhorne Lane, Ashington, NE66 9JJ UK.
authors.forename: Rahul
authors.initials: R
authors.lastname: Dharmadhikari
keywords: Clostridium septicum infection; Colorectal cancer; Pneumoperitoneun