abdominal masses in children: 12 years experience at amirkabir hospital

abdominal mass is one of the commonest clinical findings in children. the purpose of this study was to evaluate abdominal masses in different age groups in a referral children surgical center. we retrospectively reviewed records of 325 patients (57% boys, mean age 37.7 months) admitted to amir kabir hospital in period of 12 years for abdominal mass surgery. the 4 most common abdominal masses was wilm's tumor (22.4%), abdominal lymphoma (13.5%), neuroblastoma (12.5%) and hydronephrosis (12.3%). these masses composed 60% of abdominal masses and the remaining were: hydatid cyst of liver, ovarian masses, liver masses, choledochal cyst, mesentery and omental cyst, etc. this results were found to be similar with little differents to results of other centers.