Javad Esmaili - Department of Nuclear Medicine, Imam Khomeini Hospital, Tehran University of Medical Sciences, Tehran, Iran
Hossein Forootan - Department of Gastroenterology, Imam Khomeini Hospital, Tehran University of Medical Sciences, Tehran, Iran

  A ۱۳ years old boy with severe abdominal pain and history of intermittent (II bleeding since the aye of ۳ months, is presented. Different diagnostic procedures were unremarkable. A Tc-۹۹m Pertechnetate abdominal study revealed abnormal radionuclide accumulation in small bowel region. Duplication of small bowel was suspected which was confirmed by surgery and pathologic examination.