background: esophageal cancer is one of the prevalent cancers in east azerbaijan province. the aims of this study are to estimate the survival rate of patients with esophageal cancer by treatment modalities and tumor location, as well as risk factors such as cigarette smoking, family history, age at diagnosis, and gender. materials and methods: in a cross-sectional study we evaluated 142 patien...

normal 0 false false false en-us x-none ar-sa microsoftinternetexplorer4 aim : the present study aimed to investigate the influence of histological factors on survival of patients with esophageal cancer. background : esophageal cancer is almost the common form of malignancy in the eastern world. patients and methods : through a retrospective cohort study a consecutive series of 134 patients wit...

malignant peripheral nerve-sheath tumor (mpnst) is a high-grade malignant tumor of ecto-mesenchymal origin comprising approximately 10% of soft-tissue sarcomas. they tend to occur associated with neurofibromatosis or sporadically. here we report a mpnst at an extremely rare location and behavior causing disappearance of the entire kidney. patient evaluation included clinical, biochemical and ra...

calcifying epithelial odontogenic tumor (ceot) is a rare benign, but locally infiltrating odontogenic neoplasm. it accounts for less than 1% of all odontogenic tumors. this is a case report of recurrent ceot in the maxilla. a 35-year-old patient reported after three years of surgical excision of the lesion, with a recurrence. it is of particular concern because of its anatomic location in the m...