Meningioma is considered as a benign central nervous system tumor that accounts for approximately 18% of all brain tumors. About 5% of meningioma tumors are malignant and have more aggressive clinical signs and worse prognosis compared to benign tumors. Extracranial metastasis of meningioma is rare but in the case of occurrence, it is more prevalent in lung, liver and lymph nodes. Osseous metas...

conclusions primary mesenteric tumors are rare and mostly benign tumors. complete surgical excision is necessary for all tumors and follow-up is necessary after surgery for malignant fibrous histiocytoma due to recurrence. case presentation we encountered four cases of different primary mesenteric neoplasms that were operated at the gazi yasargil teaching and research hospital, department of ge...

background: ovarian masses represent a range of pathology from benign cyst to highly aggressive malignant tumors. it has been estimated that gynecologic malignancy account for approximately 2% of all types of cancer in children, 60-70% of these lesions arise in the ovary.  methods: all ovarian masses which were resected or biopsied in mofid children's hospital from 2002 to 2012 were review...

background and aims. salivary gland tumors are rare and specific lesions. there are differences in the incidence and frequency of salivary tumors in both minor and major salivary glands in different countries. this study was carried out to determine the prevalence of major and minor salivary gland tumors in ahvaz in the south of iran. materials and methods. all the cases, recorded in imam khome...

conclusions: despite its known shortcomings, like every other diagnostic tool, panoramic radiography can contribute to the early detection of maxillary/mandibular lesions that in turn enable the dentist to devise an appropriate treatment plan. results: cysts were mostly more common in men despite the equal propensity of both genders to benign tumors. in contrast, women showed a higher frequency...

Introduction: Differentiation of benign and malignant liver tumors is very important for finding appropriate treatment procedure. Human eyes sometime are not able to diagnose the type of liver tumor. Texture analysis is considered as a suitable method to increase the diagnostic power of medical images. In this study texture analysis is employed in order to classification of ben...

Introduction: Parapharyngeal space (PPS) tumors account for 0.5% of the head and neck neoplasms. Based on the evidence, 80% of these tumors are of a benign nature. Surgical excision is the treatment of choice for this condition. The present study was conducted to propose transoral resection as an efficient way to excise the benign well-defined tumors of the PPS.   Materials and Methods: Thi...

Background: The present investigation compared the decrease in the volume of benign tumor before and after High Intensity Focused Ultrasound (HIFU) treatment to evaluate the therapeutic effects of HIFU. in terms of Lifestyle and obstetric characteristics of in patients with Benign Uterine Tumors. Materials and Methods: To collect the data on each patients’ lifestyle and obstetric characteristic...

Introduction: Various surgical approaches to parapharyngeal space (PPS) tumors are introduced to obtain complete removal with the preservation of the surrounding structures in parapharyngealneoplasms. Here, we will discuss the main techniques and their outcome.   Materials and Methods: This retrospective study was conducted on 78 patients undergone either transoral, tran...

human herpes virus 8 (hhv8) causes kaposi’s sarcoma, a common cancer among aids patients. it is proposed that this virus plays a role in formation of some blood vessel and lymphoma tumors. this study aimed to investigate the frequency of kshv among benign and malignant breast tumors. a total of 24 carcinomas and 24 fibroadenomas paraffin embedded tumoral tissue samples were obtained from the pa...