PT - JOURNAL ARTICLE AU - Al-Zaiem, Maher M. AU - Algarni, Abdel Hadi F. TI - Fetus in fetu DP - 2000 Sep 01 TA - Saudi Medical Journal PG - 882--883 VI - 21 IP - 9 4099 - http://smj.org.sa/content/21/9/882.short 4100 - http://smj.org.sa/content/21/9/882.full SO - Saudi Med J2000 Sep 01; 21 AB - Fetus in fetu is an extremely uncommon cause of abdominal mass in the neonate. A case of retroperitoneal fetus in fetu in a 2 week old boy is reported, the excised mass containing a round mass, covered by hair, containing brain tissue; 2 feet and 2 arms; a cavity containing a loop of intestine of 15 centimeters length, small penis and testis.