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ICD9 = , | ICDO = | OMIM = | MedlinePlus = | eMedicineSubj = radio | eMedicineTopic = 562 | MeshID = D011027 |
Description Pneumoperitoneum is air or gas in the abdominal (peritoneal) cavity, often seen on x-ray, but small amounts are often missed and CT is nowadays regarded as a criterion standard in the assessment of a pneumoperitoneum., CT can visualize quantities as small as 5 cm³ of air or gas. The most common cause is a perforated abdominal viscus, generally a perforated ulcer, although any part of the bowel may perforate from a benign ulcer, tumor or trauma. A perforated appendix seldom causes a pneumoperitoneum.A pneumoperitoneum is deliberately created by the surgical team in order to perform laparoscopic surgery. This is achieved by insufflating the abdomen with carbon dioxide.
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