نتایج جستجو برای: brain tumors diagnosis

تعداد نتایج: 1055650  

Journal: :iranian journal of radiation research 0
f.amouzegar hashemi radiation oncology department, cancer institute, imam khomeini hospital, tehran, iran f. ghaemmaghami gynecology oncology department, tehran university of medical sciences, tehran, iran n. behtash gynecology oncology department, tehran university of medical sciences, tehran, iran

abstract: gestational trophoblastic neoplasm (gtn) is among rare human tumors which can be observed with widespread metastasis. two young patients with emergent neurologic symptoms with no gynecological problems are presented in this report. gtn was later diagnosed in both cases with brain metastasis. the first case: a 22 years old patient, admitted to the infectious disease ward, with probable...

Journal: :Aggregate 2021

Photoacoustic imaging has emerged as a promising technique for real-time detection and diagnosis of brain-related pathologies. In article number 2021, 2, 4-19, the author herein provides an overview latest developments aggregated nanoparticles high-performance PA contrast agents specifically designed photoacoustic brain tumors, vascular, other diseases. (DOI: 10.1002/agt2.26)

Journal: :acta medica iranica 0
f. amouzegar - hashemi p. haddad m. sajjadi k.dehshiri

- astrocytomas, including glioblastoma multiforme (gbm), arc the most common brain tumors. post-operative radiotherapy plays an important rote in their treatment. records of all patients with a pathologic diagnosis of astrocytoma referred for radiotherapy from 1987-1992 were reviewed and prognostic factors with regard to recurrences were analyzed. during the study period, 162 astrocytoma patien...

Journal: :Medical Science and Discovery 2023

Objective: Brain tumor development mechanisms are still the subject of current research, and treatment models improving. Our study aimed to investigate association cytokines with intracranial types grades their usability in diagnosis follow-up. Material Methods: This included 48 individuals (24 brain tumors 24 control groups). The blood samples were taken from groups, biochemical analysis was p...

Journal: :iranian journal of neurology 0
mansoureh togha department of neurology, sina hospital, tehran university of medical sciences, tehran, iran. mohammad ali sahraian department of neurology, sina hospital, tehran university of medical sciences, tehran, iran seyed jalal hosseini department of neurology, sina hospital, tehran university of medical sciences, tehran, iran azar haddadi department of neurology, sina hospital, tehran university of medical sciences, tehran, iran

#no abstract#

Armin Allahverdy Ayuob Faramarzi Mahmood Amiri Meysam Siyah Mansoory

Introduction: The brain tumor is an abnormal growth of tissue in the brain, which is one of the most important challenges in neurology. Brain tumors have different types. Some brain tumors are benign and some brain tumors are cancerous and malignant. Glioblastoma Multiforme (GBM) is the most common and deadliest malignant brain tumor in adults. The average survival rate for peo...

Journal: :middle east journal of cancer 0
abdolazim sedighi pashaki ehsan akbari hamed kamal mohammadian mohammad abbasi afsane maddah safaei torogh mohammad babaei

background : central nervous system tumors account for 2%-5% of all malignancies in humans. these tumors account for 2% of all pediatric cancers. the worldwide incidence of primary central nervous system tumors is estimated at 3.9 (males) and 3.2 (females) per 100000 person-years. the incidence of brain tumor cases has been reported as 3.67% of all malignancies and 4% of all cancer mortalities ...

Journal: :iranian journal of medical physics 0
seyed farhad masoudi physics department, k.n. toosi university of technology, tehran, iran

introduction bnct is an effective method to destroy brain tumoral cells while sparing the healthy tissues. the recommended flux for epithermal neutrons is 109 n/cm2s, which has the most effectiveness on deep-seated tumors. in this paper, it is indicated that using d-t neutron source and optimizing of beam shaping assembly (bsa) leads to treating brain tumors in a reasonable time where all iaea ...

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