introduction: osteosarcoma is the most common primary bone tumor in children and young adults and appropriate chemotherapy can increase limb sparing and overall survival. yet, the toxicity of chemotherapy regimens including mtx can be life threatening. therefore; we tried another chemotherapy regimen for these patients. method and materials: we investigated 15 patients aged 15 to 40 years old a...

background: osteosarcoma is the most common bone sarcoma, and the third most common malignancy in children and adolescents. before 1970, amputation was the sole treatment. eighty percent of patients died from metastatic diseases, most commonly in the lungs. over the past three decades, effective neoadjuvant (preoperative) and adjuvant (postoperative) chemotherapy protocols have improved the abi...

Background: The rate of recurrence and mortality in high-risk prostate cancer remains high. On the other hand, the use of chemotherapy in metastatic prostate cancer has improved overall survival of patients. The aim of this study was to evaluate the effect of neoadjuvant chemotherapy alone on increasing survival of patients with high risk localized prostate cancer Methods: This is a systematic...

tumor size seems to be a determinant in the prognosis of early cervical cancer. patients with tumor size greater than 4 cm (bulky) in diameter have worse outcome.' the purpose of this study was to compare the efficacy of preoperative combined chemoradiation and neoadjuvant chemotherapy (narc) programs followed by radical hysterectomy in stage ib - lib bulky cervical cancer. from september ...

Introduction: Breast cancer is the most common cancer and the second cause of death in women. It is essential to have the highest level of confidence in axillary staging assessment. Many surgeons and pathologists believe that fewer lymph nodes are present in axillary dissection specimens of women treated by neoadjuvant chemotherapy. Consequently, the purpose of this study was to compare the lym...

na

introduction: breast cancer is the most common cancer and the second cause of death in women. it is essential to have the highest level of confidence in axillary staging assessment. many surgeons and pathologists believe that fewer lymph nodes are present in axillary dissection specimens of women treated by neoadjuvant chemotherapy. consequently, the purpose of this study was to compare the lym...

Background and objective:Breast cancer is the most common malignancy among women. The Neoadjuvant chemotherapy is the treatment of choice for non-operable tumors. The Ki67 is a proliferation marker that can be used to predict the therapeutic response to chemotherapy and the patients' prognosis. Methods: This retrospective study was carri...