نتایج جستجو برای: Brain tumor recurrence

تعداد نتایج: 934709  

Journal: :iranian journal of nuclear medicine 2006
shahram dabiri oskooei alireza naseri farshad seyednezhad amir ghasemi jangjoo mohammad mohammadzadeh

introduction: 99mtc-mibi has been proposed for use as an imaging agent for various tumors, including breast cancer, lung cancer, lymphomas, melanomas and brain neoplastic lesions. brain tumors are very common and radiotherapy being major part of treatment following surgery. after radiotherapy, deteriorating clinical status can be due to either radiation necrosis or recurrent tumor. computed tom...

زینب انصاری, , مجیدرضا فرخی, ,

Background: Meningiomas are common benign tumors of the brain. Meningioma patients have optimal functional recovery after surgical removal of their tumors. Some patients experience recurrence months or years after surgical resection. In this study, we try to determine the prevalence of recurrent meningioma and the correlation between recurrence and certain factors. Methods: This retrospective ...

Journal: :nephro-urology monthly 0
fatemeh heidari nephrology and urology research center, baqiyatallah university of medical sciences, tehran, ir iran shahin abbas zade nephrology and urology research center, baqiyatallah university of medical sciences, tehran, ir iran seyed hassan mir hosseini nephrology and urology research center, baqiyatallah university of medical sciences, tehran, ir iran alireza ghadian nephrology and urology research center, baqiyatallah university of medical sciences, tehran, ir iran; nephrology and urology research center, baqiyatallah university of medical sciences, tehran, ir iran. tel: +98-2181262073

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...

Journal: :medical journal of islamic republic of iran 0
alireza khoshnevisan department of neurosurgery, shariati hospital, tehran university of medical sciences,tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences)سازمان های دیگر: shariati hospital

primary and secondary malignant central nervous system (cns) tumors are devastating invasive tumors able to give rise to many kinds of differentiated tumor cells. glioblastoma multiform (gbm), is the most malignant brain tumor, in which its growth and persistence depend on cancer stem cells with enhanced dna damage repair program that also induces recurrence and resists current chemo- and radio...

Alireza Naseri Amir Ghasemi Jangjoo Farshad Seyednezhad Gholamreza Seyedoskooei Mohammad Mohammadzadeh Shahram Dabiri Oskooei

Introduction: 99mTc-MIBI has been proposed for use as an imaging agent for various tumors, including breast cancer, lung cancer, lymphomas, melanomas and brain neoplastic lesions. Brain tumors are very common and radiotherapy being major part of treatment following surgery. After radiotherapy, deteriorating clinical status can be due to either radiation necrosis or recurrent tumor. Comput...

 Primary and secondary malignant central nervous system (CNS) tumors are devastating invasive tumors able to give rise to many kinds of differentiated tumor cells. Glioblastoma multiform (GBM), is the most malignant brain tumor, in which its growth and persistence depend on cancer stem cells with enhanced DNA damage repair program that also induces recurrence and resists current chemo- and radi...

Journal: :iranian journal of neurology 0
mousa reza anbarloui department of neurosurgery, school of medicine, shariati hospital, tehran university of medical sciences, tehran, iran. seyed mohammad ghodsi department of neurosurgery, school of medicine, shariati hospital, tehran university of medical sciences, tehran, iran. alireza khoshnevisan department of neurosurgery, school of medicine, shariati hospital, tehran university of medical sciences, tehran, iran. masoud khadivi department of neurosurgery, school of medicine, shariati hospital, tehran university of medical sciences, tehran, iran. sina abdollahzadeh department of neurosurgery, school of medicine, shariati hospital, tehran university of medical sciences, tehran, iran. ahmad aoude department of neurosurgery, school of medicine, shariati hospital, tehran university of medical sciences, tehran, iran.

background: distinction between radiation necrosis and recurrence of intraparenchymal tumors is necessary to select the appropriate treatment, but it is often difficult based on imaging features alone. we developed an algorithm for analyzing magnetic resonance spectroscopy (mrs) findings and studied its accuracy in differentiation between radiation necrosis and tumor recurrence. m e t hod s :  ...

Introduction: Meningioma is a benign tumor of the brain, which shows a good response to treatment, surgery and benign pathology, but there is a possibility of recurrence. Therefore, the present study was conducted to investigate the relationship between recurrent meningioma risk factors and the rate of meningioma recurrence in Yazd City. Methods: This descriptive-analytical study was performed...

Journal: :journal of dentistry, tehran university of medical sciences 0
ramin foroughi assistant professor, department of oral and maxillofacial surgery, faculty of dentistry, babol university of medical sciences, babol, iran. pouyan amini shakib assistant professor, dental research center dentistry research institute, department of oral and maxillofacial pathology, faculty of dentistry, tehran university of medical sciences, tehran, iran. alireza babaei darzi post graduate student, department of oral and maxillofacial surgery, faculty of dentistry, babol university of medical sciences, babol, iran. maryam seyedmajidi associate professor, department of oral and maxillofacial pathology, faculty of dentistry, babol university of medical sciences, babol, iran. naghmeh jamaatlou post graduate student, department of oral and maxillofacial pathology, faculty of dentistry, babol university of medical sciences, babol, iran.

calcifying epithelial odontogenic tumor (ceot) is an uncommon odontogenic tumor with well-known histopathological features and a challenging treatment plan. although some investigators advocate conservative approach as the treatment of choice, others believe in radical surgical excision to avoid recurrence or malignant transformation. the main objective of this case report is presenting an unus...

Journal: :iranian journal of pathology 2014
nagarekha kulkarni

one of the unusual variant of ovarian tumor is sex cord stromal tumor with annular tubules (sctat). the recurrence in case of malignant ovarian sctat ranges from 3mo to 20yr. this report describes the case of recurrence of sctat in a 35yr old woman after 4yr of hysterectomy with bilateral salphingo-oopherectomy. microscopic examination revealed features of sctat. because of its unusual behavior...

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