نتایج جستجو برای: chest computed tomographic scan
تعداد نتایج: 322798 فیلتر نتایج به سال:
A computed tomography scan of the chest in an 83-year-old male patient with a history metastatic squamous cell lung cancer revealed mass localized to left ventricle. Subsequent imaging this be incidental cardiac fibroma.
acute chest pain is an important and frequently occurring symptom in patients. chest pain is often a sign of ischemic heart disease. chest pain due to suspected acute coronary syndrome (acs) is responsible for a large and increasing number of hospital attendances and admissions. current practice for suspected acs involves troponin testing 10–12 hours after symptom onset to diagnose myocardial i...
chest X-ray film (Fig. 1). Clinical examination was normal. Computed tomographic angiography of the chest (Figs. 2, 3) showed a balanced type of double aortic arch, both of which arose from the ascending aorta anterior to the tracheae. Each arch gave origin to the common carotid and subclavian artery, and joined right posterior ward to form the descending aorta. The patient had neither respirat...
Background: Sulfur mustard (SM) as a chemical warfare agent, increases permeability of bronchial vessels and damages airway epithelium. SM exposure causes debilitating respiratory complications. This study was designed to evaluate clinical respiratory manifestations, and to compare chest X ray (CXR) and high resolution computed tomography (HRCT) scan of chest in SM exposed patients with respira...
Mesenchymal chondrosarcoma(MC) was first described in 1959. MC is a rare tumor arising in bone or soft tissue which is composed of well differentiated cartilage with in a proliferation of primitive mesenchymal cell. MC occurs most often in the second and third decades of life. The prognosis is poor, local recurrence and metastases are frequent. A 32 year old, white female consulted a ...
BACKGROUND Whether a coronary artery calcium (CAC) scan provides added value to coronary computed tomographic angiography (CCTA) in emergency department patients with acute chest pain remains unsettled. We sought to determine the value of CAC scan in patients with acute chest pain undergoing CCTA. METHODS AND RESULTS In the multicenter Rule Out Myocardial Infarction using Computer-Assisted To...
BACKGROUND Massive bilateral infarcts due to deep venous system thrombosis are extremely rare and poorly documented. We present a case with computed tomographic evidence of both thrombosis and infarction of the whole deep venous system. CASE DESCRIPTION A previously healthy 30-year-old woman who had taken oral contraceptives for 3 years complained of recurrent headaches and transient visual o...
INTRODUCTION Common causes of non-traumatic acute cerebral edema include malignant hypertension, hyponatremia, anoxia, and cerebral vascular accident. The computed tomographic images and data obtained during care of the patient described in this case report provide evidence that hypercarbia can cause increased intracranial pressure and coma without permanent brain injury. Partial pressure of ca...
background: computed tomography (ct) scan is one the most useful devices in chest imaging. ct scan can be used in mediastinal abnormality, lungs, and pleural evaluations. according to the high prevalence and different causes of pulmonary nodules, we designed this study to evaluate the prevalence and the types of pulmonary nodules in noncancerous patients who underwent chest multi-detector ct (m...
BACKGROUND AND PURPOSE A randomized, double-blind, multicenter clinical trial of placebo versus nimodipine was conducted to test the hypothesis that nimodipine would reduce the frequency of death and of worsening by 30% compared with placebo. METHODS Nimodipine was used in doses of 60 mg, 120 mg, and 240 mg daily in 1,064 patients treated for 21 days. Treatment was begun within 48 hours of st...
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