[Acute abdomen secondary to intra-abdominal hibernoma].

The hibernoma is a rare benign tumor derived of embrionary fat seen in adult, which is usually localized in scapular and interscapular region. It express as a slowing growth bulk without symptoms. The authors present a 2 years old boy with acute abdomen requiring urgent laparotomy, that shows a tumor connected to mesocolon by a vascular pedicle that had undergone torsion. No other similar case published been found. The treatment is surgical resection although recurrences have been reported due to incomplete resection.