Pilocytic astrocytoma (PA) is a low grade benign tumor, commonly occurs in Cerebellum (42-60%), Optic & hypothalamic region (9-30%), Brain Stem (9%). They rarely spread. It within the ventricle. In this report, we described our experience with cranial pilocytic 14-year-old child, who initially treated near total decompression of tumor. Four and half years later, recurrence primary tumor obs...

BACKGROUND The current study was conducted to develop a multifactorial statistical model to predict the specific head and neck (H&N) tumor site origin in cases of squamous cell carcinoma confined to the cervical lymph nodes ("unknown primaries"). METHODS The Surveillance, Epidemiology, and End Results (SEER) database was analyzed for patients with an H&N tumor site who were diagnosed between ...

introduction: different microbial compounds can induece maturation of dendritic cells (dcs) into dc1 or dc2 .in the present study, we used tumor antigen pulsed dendritic cell that matured with listeria monocytogenes antigen and cholera toxin (ct) in the treatment of a murin model of cancer. material and methods: tumor cells (wehi-164 balb/c derived fibrosarsoma) were injected subcutaneously to ...

background of the study: colorectal cancer (crc) which is the third most diagnosed cancer throughout the world is steadily rising in the asian countries with the incidence rates mimicking the western counterparts. the pre-neoplastic nature of the transitional mucosa (tm) adjoining crc lacks conclusive evidence so far. pertaining to this, the study of the mucus layer, the functional component of...

background: ewing sarcoma family of tumors (esfts) is the second most common primary tumors of bone in childhood. the decision regarding the optimal modality for achieving local tumor control remains uncertain. the aim of this study was to report the clinical features and outcome as well as reviewing risk factors in patients. materials and methods: this retrospective study included 75 esfts pat...

purpose: to present a case of orbital granular cell tumor, a rare orbital tumor. case report: a 55-year-old woman presented with binocular diplopia and right ocular displacement. the problem had initiated 3 years ago. a firm nontender mass at the region of the right lower lid was visible. orbital ct-scan disclosed a well-defined mass in the inferior right orbit with involvement of the inferior ...

results there was no statistical difference between the 2 groups with respect to the recurrence rate (p > 0.05). although the recurrence interval was longer for the metformin group, this increase was not statistical significant (p > 0.05). furthermore, tumor recurrence had no correlation with sex or the grade of the tumors. conclusions according to our findings, it seems that metformin has no c...