Farheen Raza, Maham Jehangir, Rashed Nazir, Nasir Aziz Khan.
Tension Pneumoperitoneum: a Rare Presentation of Megacystis Microcolon Intestinal Hypoperistalsis Syndrome.
J Ayub Med Coll Abottabad Jan ;31(1):136-7.

Megacystis microcolon intestinal hypoperistalsis syndrome also known as Berdon syndrome is characterized by enlarged urinary bladder, small colon and reduced or absent intestinal peristalsis. We report a case of 4 days old female suffering from MMIHS presenting with tension pneumoperitoneum. To the best of our knowledge, this is the first reported case of MMIHS, having this unusual presentation.

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