نتایج جستجو برای: ct scan tehran

تعداد نتایج: 204514  

Journal: :Voprosy gematologii/onkologii i immunopatologii v pediatrii 2021

A 10-year-old boy known case of Gaucher disease about 2 years ago was admitted with nausea, vomiting and epigastric pain from 3 days before hospitalization to Mofid Children’s hospital, Tehran, Iran. On the initial examination, no abnormalities were found except for splenomegaly brief tenderness on spleen. In secondary paraclinical evaluations (with Ultrasound Ct-scan), we noticed mesenteric ly...

F Dehghani, Mohammad Rezaei sadrabadi , Shokoh Taghipour Zahir,

Abstract Background Cerebral neoplasm arises from brain, spinal cord and meningeal cells. Not only malignant cerebral neoplasm also benign tumor could lead to death due to mass effect on vital structures. Access to these tumors is difficult, and MRI and CT scan could be helpful in determining anatomical location of tumors and distinction of malignant from benign. Objective For better and ea...

هوشیاری, نرجس, کوپایی, مریم,

Background and purpose: Squamous Cell Carcinoma (SCC) is the most common head and neck malignancy. To decrease the side effects of treatment and the rate of mortality, careful staging for proper treatment plan is necessary. The purpose of this prospective study was to compare the diagnostic value of two different imaging methods (Computed Tomography (CT) and Magnetic Resonance Imaging (MRI)...

2008
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Purpose: Utilization of lead-contaminated opium may lead to severe motor neuron impairment and quadriplegia. Case report: Forty years oriented old male, opium addict, was admitted to the ICU, with headache, nausea and abdominal pain, and weakness in his lower and upper extremities without definitive diagnosis. The past medical and occupational history was negative. Laboratory investigation show...

Objective(s): In this study, we aimed to describe the characteristics of portal vein tumor thrombosis (PVTT), complicating hepatocellular carcinoma (HCC) in contrast-enhanced FDG PET/CT scan. Methods: In this retrospective study, 9 HCC patients with FDG-avid PVTT were diagnosed by contrast-enhanced fluorodeoxyglucose positron emission tomography/computed tomography (FDG PET/CT), which is a comb...

Journal: :iranian red crescent medical journal 0
vahid noorian department of general surgery, medical school, shahid beheshti university of medical sciences, iran +98-9122158199, [email protected]; department of general surgery, medical school, shahid beheshti university of medical sciences, iran +98-9122158199, [email protected] arya motaghi department of radiology, medical school, shahid beheshti university of medical sciences, iran

background paranasal sinus ct has high sensitivity and specificity for sinusitis. however, this modality is costly and involves greater radiation exposure than plain radiographs. objectives we tried to compare 10-cut limited ct scan and standard ct scan in the diagnosis of sinusitis. materials and methods we conducted a cross sectional case series from august to december 2010 on 150 patients wi...

Alireza Pournabi , Hassan Mirmohammad Sadeghi , Mahshid Namdari,

Objectives: Presence/absence of cervical lymph node metastasis plays a critical role in prognosis and survival of patients with oral squamous cell carcinoma (SCC). This study was designed to assess the diagnostic accuracy of computed tomography (CT) scan for detection of cervical lymph node metastasis in oral SCC in comparison with histopathological analysis after neck dissection Methods: In...

Journal: :iranian journal of radiology 0
hamidreza haghighatkhah shohada-e-tajrish hospital, shahid beheshti university of medical sciences, tehran, iran hesameddin hoseini tavassol shahid beheshti university of medical sciences, tehran, iran; shahid beheshti university of medical sciences, tehran, iran reyhane kazemi department of radiology, shahid beheshti university of medical sciences, tehran, iran shaghayegh sadat khabbaz department of radiology, shahid beheshti university of medical sciences, tehran, iran

methods multidetector ct-scan and explorative laparotomy of the patients with blunt abdominal trauma were assessed retrospectively. characteristics of the injuries were categorized on the basis of the american association for the surgery of trauma (aast) grading system and the findings were analyzed using kappa test. results the findings of 35 patients were analyzed. according to the kappa test...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1379

در رادیوتراپی هدف رساندن بیشترین مقدار اشعه و آسیب سرطانی و کمترین آسیب به بافتهای سالم اطراف بافت سرطانی می باشد. در این مطالعه با استفاده از تصاویر ct scan ناحیه تحت تابش و طرحهای نقشه درمانی هر مقطع، انرژی جذب شده در بافتهای مختلف تعیین و توزیع انرژی در ناحیه تحت تابش برای دو بیمار با سرطان سرویکس در چهار تکنیک مختلف رادیوتراپی(box با 10 mvx ، 2 فیلدی، 4 فیلدی و 6 فیلدی با کبالت 60 ) مقایسه ...

Gholamali Yousefipour Mehrosadat Alavi

Post stroke dementia is one of the most common complications of stroke that is preventable and relatively treatable too. The purpose of the study is comparison between the positive findings in brain CT scan and brain perfusion SPECT. 15 patients who were complicated by dementia after cerebrovascular accident and also 5 patients as a control group enrolled in this study. Brain CT scan and ...

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