Serdar Şahin, Turgut Çavuşoğlu, Mehmet Kubat, Hasan Çaliş.
A rare cause of pneumoperitoneum: perforated appendicitis.
J Ayub Med Coll Abottabad Nov ;28(2):415-6.

Peptic ulcer perforation is the most common cause of pneumoperitoneum (75%). The rate of the perforation of acute appendicitis is 20–30% and the rate of its co-occurrence with pneumoperitoneum is 0–7%. In this report, a patient with sub-diaphragmatic free air due to perforated appendicitis.

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