نتایج جستجو برای: computed tomography scan

تعداد نتایج: 311025  

برقعی, سیدهبت الدین, سازگار, امیرآروین, نراقی, محسن, کشفی, آرش,

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...

2015
Ricardo Francisco Tavares Romano Priscila Silveira Salvadori Lucas Rios Torres Elisa Almeida Sathler Bretas Daniel Bekhor Rogério Pedreschi Caldana Regina Bitelli Medeiros Giuseppe D’Ippolito

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...

Journal: : 2022

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...

Journal: :Pediatrics 2007
Haresh Kirpalani Claude Nahmias

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...

Journal: :iranian journal of medical sciences 0
mohammad javad fallahi pulmonary and critical care division, department of internal medicine, nemazee teaching hospital, shiraz university of medical sciences, shiraz, iran seyed masoom masoompour pulmonary and critical care division, department of internal medicine, nemazee teaching hospital, shiraz university of medical sciences, shiraz, iran mehdi mirzaee pulmonary and critical care division, department of internal medicine, nemazee teaching hospital, shiraz university of medical sciences, shiraz, iran

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 ...

Journal: :Journal of nephropathology 2023

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...

Journal: :iranian journal of radiology 0
shima molaee department of internal medicine, tehran university of medical sciences, tehran, iran hossein ghanaati advanced diagnostic and interventional radiology research center (adir), tehran university of medical sciences, tehran, iran; department of radiology, tehran university of medical sciences, tehran, iran enayat safavi advanced thoracic research center, tehran university of medical sciences, tehran, iran; advanced thoracic research center, tehran university of medical sciences, tehran, iran. tel: +98-2166939922 morteza foroumandi department of internal medicine, tehran university of medical sciences, tehran, iran soheil peiman department of internal medicine, tehran university of medical sciences, tehran, iran; advanced thoracic research center, tehran university of medical sciences, tehran, iran

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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