A 15 year-old asthenic thin boy with crisii of nausea and colicky pain for ( 3 ? ) years. Failed in management of gastritis HP infected.
Ultrasound detected a malrotated mass with mesenteric vessels inside going to the clockwise.
Beside there was a hyperechoic mass in the pelvis with vessels in the mass.
MSCT confirmed the bowel malrotation and a lipoma in the pelvis.
Surgery was done to remove the #12,5x11mm pelvic mass which was a microcystic lymphatic malformation of the mesentery. It adhered the bowel and caused the bowel volvulus.
The boy gained 10 kilogram and had no pain nor nausea postop.