statement of problem: many studies have indicated that genetic disturbances are common findings in patients with oral squamous cell carcinoma (oscc). identification of these changes can be helpful in diagnostic procedures of these tumors. purpose: the aim of this study was to appraise the chromosomal disorders in blood and tissue patients with oscc. methods and materials: in this descriptive st...

â  â  background esophageal squamous cell carcinoma (escc) is usually detected in advanced stages resulting in a very poor prognosis. early diagnoâ­sis needs identification of clinically relevant precancerous lesions which could become the target of screening and early treatment. our aim was to check whether esophagitis could serve as a relevant histological precursor of escc in northern iran. ...

metastatic   tumors in the nose and paranasal sinuses are infrequent. the origin of this metastatic tumors are often renal cell carcinoma. we present one case of metastatic renal cell carcinoma   to the nose and paranasal sinuses ,4 years after initial nephrectomy and diagnosis of stage t1n0m0 clear cell carcinoma. the patient complained of nasal obstruction and recurrent epistaxis   who was tr...

background and aims. there is no report on the apoptotic impact of allium sativum l. (garlic) on the oral squamous cell carcinoma (kb); hence, this study was designed to survey the apoptotic effects of garlic fresh juice (gfj) on the kb cells. materials and methods. mtt assay (microculture tetrazolium assay) was carried out to evaluate the cytotoxicity of gfj on kb cells. furthermore, tunel (te...

introduction: metastatic lesions of the oral cavity are extremely rare, accounting for approximately 1% of all malignant oral tumors. the most common primary sources of metastatic tumors in the oral region are, from the most to the least common, the breast, lung, kidney, bone, and colon. renal cell carcinoma accounts for nearly 3% of all adult malignancies. it usually metastasizes to the lungs,...

gastric neuroendocrine carcinoma is a rare tumor which has a poor prognosis. herein, we present a 55-year-old woman who presented with complaints of recurrent vomiting, hematemesis and weight loss. endoscopic examination showed a large ulcerated mass in the antrum. microscopic evaluation of the specimen taken through biopsy was compatible with a small round cell tumor. however, definitive histo...

this is a case report concerning a 60 years old man who lived for a short period in an endemic area of khuzestan province (neighboring province of persian gulf in iran) for approximately 20 years ago. recently he referred to the urology department of kerman university of medical sciences with hematuria and dysuria. in the sonography a polypoid mass on the bladder floor was observed. in the cyst...