نتایج جستجو برای: computed tomography scan
تعداد نتایج: 311025 فیلتر نتایج به سال:
Amyloid is a term used to describe a collection of proteinaceous material that has certain microscopic characteristics. Amyloidosis of the larynx is a rare benign process but is the most common site for isolated amyloid deposits to occur in the head and neck. Three cases of localized laryngeal amyloidosis were identified with the supraglottic region as the major site of involvement in two of th...
A 60-year-old male presented with dyspnea and chest pain. He was referred with massive bulky mass. A mass in the left lung was observed using chest X-ray (Figures 1). A computed tomography scan of the chest showed a mass on the left lung with complete lung collapse Figures 2 (A, B). The needle biopsy was performed and the case was diagnosed with solitary fibro...
OBJECTIVE To assess the reduction of estimated radiation dose in abdominal computed tomography following the implementation of new scan protocols on the basis of clinical suspicion and of adjusted images acquisition parameters. MATERIALS AND METHODS Retrospective and prospective review of reports on radiation dose from abdominal CT scans performed three months before (group A - 551 studies) a...
A 71-year-old male patient was diagnosed with papillary carcinoma follicular variant after bilateral total thyroidectomy and radioactive iodine treatment applied. The post-therapeutic whole-body scan demonstrated a focal 131I uptake in the right lobe of liver upper quadrant abdomen. Single-photon emission computed tomography/computed tomography (SPECT/CT) performed to determine precise localiza...
Imaging studies that use ionizing radiation are an essential tool for the evaluation of many disorders of childhood. Ionizing radiation is used in radiography, fluoroscopy, angiography, and computed tomography scanning. Computed tomography is of particular interest because of its relatively high radiation dose and wide use. Consensus statements on radiation risk suggest that it is reasonable to...
pulmonary embolism is considered as a great masquerader due to its frequent nonspecific signs and symptoms. typically pulmonary embolism is under-diagnosed or over-diagnosed. in this study a patient with pulmonary embolism is reported in which the patient exhibited two unusual manifestations namely; right upper quadrant abdominal pain and st-t elevation in anterior precordial leads. due to the ...
A 48-year-old male patient presented with dialysis dependent renal failure biopsy showing crescentic glomerulonephritis and Positron emission tomography–computed tomography (PET-CT scan) revealing features of pericardial, pulmonary tuberculosis positive urinary GeneXpert test for bacilli. Clinicians should keep in mind the atypical presentations while managing rapidly progressive especially tro...
conclusion there is still excessive unjustified concern of pte in less trained physicians leading to excessive diagnostic work-up. loyalty to the existing guideline for management of suspected pte in educational hospitals and supervision of attending physicians could prevent overuse of ctpa. results during a 6-month period, 82 patients who underwent ctpa were included. the prevalence of pte was...
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