RT Journal Article SR Electronic T1 Spontaneous intraperitoneal expulsion of an unruptured hydatid cyst JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 99 OP 102 VO 21 IS 1 A1 Bal G. Sharma A1 Krishn K. Gupta YR 2000 UL http://smj.org.sa/content/21/1/99.abstract AB We report a 43-year-old man with a 20 x 20 cm hydatid cyst, spontaneously extruded out from the left lobe of the liver. This complication of hydatid cyst has not been recorded earlier, and makes the case unique in itself and worth reporting. The patient presented with a rare complication of biliary peritonitis of hydatid disease.