نتایج جستجو برای: Brain Tumor Diagnosis

تعداد نتایج: 1278439  

Journal: :middle east journal of cancer 0
shamsiah abdul hamid biomedical imaging unit, faculty of medicine, university technology mara, sungai buloh, kuala lumpur, selangor, malaysia nur adura yaakup department of biomedical imaging, faculty of medicine, university of malaya, kuala lumpur, malaysia

the brain is a rare site for metastasis in most extracranial pediatric solid tumors, including wilm’s tumor. outcome for these patients are generally dismal. very few cases have been reported to have good survival even after therapy. this paper reports a case of stage iv wilm’s tumor with lung metastases in a patient who developed a solitary brain metastasis five months after completion of chem...

Cells grow and then need a very neat method to create new cells that work properly to maintain the health of the body. When the ability to control the growth of the cells is lost, they are unconsidered and often divided without order. Exemplified cells form a tissue mass called the tumor. In fact, brain tumors are abnormal and uncontrolled cell proliferations. Segmentation methods are used in b...

Accurate segmentation of brain tumor plays a key role in the diagnosis of brain tumor. Preset and precise diagnosis of Magnetic Resonance Imaging (MRI) brain tumor is enormously significant for medical analysis. During the last years many methods have been proposed. In this research, a novel fuzzy approach has been proposed to classify a given MRI brain image as normal or cancer label and the i...

Journal: :iranian journal of cancer prevention 0
afsoun seddighi rajaie hospital, qazvin university of medical sciences, qazvin, iran as seddighi shohada tajrish hospital, shahid beheshti university of medical sciences, tehran, iran f ashrafi shohada tajrish hospital, shahid beheshti university of medical sciences, tehran, iran s nohehsara psychiatry department, iran university of medical sciences, tehran, iran

background: very few studies have utilized specific criteria to assess mental disorders in brain tumor patients. this study aimed to diagnose mental disorders in this population using dsm-iv (depression, sleep, and mood) criteria. methods: from march 2007 to july 2009, the surgically treated patients with intracranial neoplasm were included in the study. these patients were examined in an ambul...

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...

A. Jayachandran R. Dhanasekaran

Medical Image segmentation is to partition the image into a set of regions that are visually obvious and consistent with respect to some properties such as gray level, texture or color. Brain tumor classification is an imperative and difficult task in cancer radiotherapy. The objective of this research is to examine the use of pattern classification methods for distinguishing different types of...

شایانفر, نسرین, عطار, مهرنوش, نیلی‌پور, یلدا ,

    Introduction: Alveolar soft part sarcoma is a malignant soft tissue tumor whose metastasis to other organs like lung and brain as a primary presented symptom is not unusual. In the literature there are many reports of metastasis to different parts of brain, but cerebellar metastasis has not been reported yet. In this case study, we discuss a rare occurrence of simultaneous metastasis to bra...

Journal: :iranian journal of cancer prevention 0
m mehrazma oncopathology research center and ali-asghar children hospital, iran university of medical science, tehran, iran n hooman pediatric department of ali-asghar children hospital, iran university of medical science, tehran, iran malihe saberafsharian pathology department of ali-asghar children hospital, iran university of medical science, tehran, iran

background: rahbdoid tumor of kidney (rtk) is a childhood rare neoplasm, previously thought as a sarcoma variant of wilms’ tumor, but now is recognized as a distinct pathologic entity. method : we report a pathologically proved case of rtk, associated with brain mass in a 4.5-month-old girl that has referred for gross hematuria. shortly after initiating chemotherapy, because of retractile vomit...

F. Ghaemmaghami, F.Amouzegar Hashemi, N. Behtash,

  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 probab...

Journal: :journal of research in medical sciences 0
mohammad golparvar mahmood saghaei hossein hamidi parvin sajedi parviz kashefi omid aghadavoudi

background:: hypercoagulability has been reported in primary brain tumors which can lead to thrombotic complications.hydroxyethyl starch (hetastarch) is a synthetic colloid solution with adverse effects on blood coagulation. the aim of this study was to evaluate the protective effect of hetastarch in reducing thromboembolic events in these patients. materials and methods: in a double-blinded cl...

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