we report the case of a 54-year-old iranian man who presented with melena from three months prior to admission. esophagogastroduodenoscopy and colonoscopy were normal. double balloon enteroscopy showed a pedunculated tumor located in the jejunum. he underwent laparotomy and resection of a 9.5 cm tumor from the distal jejunum. histopathologic evaluation confirmed the diagnosis of an inflammatory...

verrucous carcinoma is a unique clinical and pathological entity which has been recognised in the recent years. it is a variant of well-differentiated squamous cell carcinoma which may occur in the larynx; other anatomic locations such as: the oral cavity, anogenital region, and skin may be involved. it accounts for 1-2% of all laryngeal cancers. the clinical, histopathological and biologic fea...

introduction: behcet's disease is a chronic disease with multisystem involvement characterized clinically by oral and genital aphthae, cutaneous lesions and ophthalmologic, neurologic and gastrointestinal manifestation. nervous system involvement occurs in 5.3 – 30% of patients, mostly in brain stem and basal ganglia. the common manifestations are pyramidal signs, central nervous plegia, p...

transforming growth factor atpha (tgf-a), parathyroid hormone-tike proteins (pthlp) and oncogene p53 proteins have all been demonstrated in a variety of human tumors anil have been implicated as causes of tumor cell aggressiveness. the present study determined the existence of these peptides and their immunohistochemicat profiles in ameloblastomas. odontogenic keratocysts and dentigerous cysts ...

adamantinoma is a ,rare pr i mar y malignant tumor of • the long bones wit h unknown pathogenesis . , so far only a few cases are r eported in t he l ite r ature (2 ,3 ,9 , 11,17) • .tibia is .t he major s ite o f predi lection , - howevex , the tumor a l so reported occasional ly i n other , l ong bones such as femur , f ibula , humerus , ulna and radius.( l;8 ,12 ) . . most of the patients ar...