background and aims: p504s (amacr) is a mitochondrial enzyme expressed in renal cell carcinoma. some of immunohistochemical markers in renal cell tumors are independent prognostic factor and show relation with histologic grading. amacr expression increases with higher histological grading in different tumors; however, in rcc it is not obvious. in this study, we tried to investigate if any relat...

diaphragmatic hernia, secondary to transhiatal esophagectomy, appears to be a relatively infrequent diagnosis. patients may be asymptomatic or present with various symptoms. diagnosis of this condition requires a high index of suspicion. the most common cause of diaphragmatic hernia is widened esophageal hiatus during surgery; therefore, narrowing the hiatus can prevent conduit herniation. here...

objective: systemic sclerosis (ss) is a chronic autoimmune disease of connective tissue, which involves skin and internal organs, and results in collagen deposition and fibroblasts activation. studies have reported a higher risk of malignancy in patients with progressive systemic sclerosis (pss).the aim of this study is to report a case of tongue squamous cell carcinoma (scc) in a patient with ...