of benign bone tumors in our referral orthopedic clinic over the 10 years

Benign bone tumors are common in all races and countries. The Prevalence of these tumors is about 1 per 120000 populations. Most of them are asymptomatic and have insidious behavior. Some of them like osteochondroma and giant cell tumor have the ability to transform to malignant Tumors. So it is very important to diagnose as soon as possible to prevent physiological damages to other organs and negative psychological impact of malignant forms. In this retrospective study we considered some factors as age, localization of tumor, sex, city of birth, clinical presentation, treatment and some laboratory data related to bone tumors such as ESR, ALP, hemoglobin, serum calcium in these patients. Analysis of data was done with SPSS. In this study, 268 patients with bone tumor which admitted to our department between 1999 and 2009, enrolled. Of these, 102 patients had benign bone tumors (38%),117 patients had malignant tumors (44%) and 49 patients with metastatic lesions (18%) was rule out. Osteochondroma and multiple exostosis were the most common benign bone tumors (28.4 %). Femur was the most frequent site of involvement (29.4 %). The most common age was between 18 and 40 (55.9 %). Pain, swelling and tenderness were the most common sign and symptom (40.2 %). Prevalence of benign tumors in men was much more than women as 56.9 percent /43.1 percent respectively. Resection was the most common surgical treatment. A total of (67.6 %). 83.3 percent of patients were from Razavi Khorasan, 6 cases of hypocalcaemia and 14 cases of anemia were detected among these patients. In this study osteochondroma and multiple exostosis (28.4 percent) were the most common benign bone tumors in patients admitted at Ghaem Hospital Medical School in recent 10 years (1999-2009).