Radiation Doses in Computerized Tomography

Wilson, Brian C.; Sage, Michael R.

doi:10.5694/j.1326-5377.1979.tb112662.x

Cited by 3 publications

(1 citation statement)

References 7 publications

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“…1,2 CT is used for evaluating injuries, diagnosing symptomatic and asymptomatic patients, and characterizing and staging lesions. 3,4 Now, many fluoroscopic and conventional radiological procedures have been completely replaced by CT and it accounts for about 50% of medical exposure (except radiotherapy) to ionizing radiation. 5 International Commission on Free Full Text Articles are Available at www.jnma.com.np Radiological Protection has recognized justification as the foundation of radiation protection in the practice of medicine and also suggests the need for effective communication among all concerned and audit of CT examination forms to achieve justification and optimization.…”

Section: Introductionmentioning

confidence: 99%

Inadequate Completion of Computed Tomography Request Forms of Patients Visiting the Department of Radiology in a Tertiary Care Centre

Sah,

Lohani,

Prasad Singh

2023

J Nepal Med Assoc

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Introduction: From both medical and legal points of view, it is vital that computed tomography request forms should be adequately filled up. It is the responsibility of physicians to collect adequate clinical information that justifies the computed tomography examination and the ethical responsibility of radiological technologists and radiologists is to perform only the justified radiological examinations. Thus, a properly filled request form is crucial for understanding the clinical problem, using the proper protocol for avoiding unnecessary radiation exposure and providing concise radiological reports. The aim of this study was to find out the prevalence of inadequate completion of computed tomography request forms of patients visiting the Department of Radiology of a tertiary care centre. Methods: This descriptive study was performed in the Department of Radiology from 22 April 2021 to 21 April 2022 after receiving ethical approval from the Institutional Review Committee. Computed tomography request forms from emergency, ward and outpatient Departments were used in the study whereas that from other hospitals and clinics were excluded. A convience sampling method was used. The point estimate was calculated at a 95% Confidence Interval. Results: Out of 470 computed tomography examination forms, the prevalence of inadequate computed tomography request forms was 195 (41.49%) (37.03-45.94, 95% Confidence Interval). Conclusions: The prevalence of the inadequacy of completion of computed tomography examination forms was higher than other similar studies done in similar settings.

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Section: Introductionmentioning

confidence: 99%

Inadequate Completion of Computed Tomography Request Forms of Patients Visiting the Department of Radiology in a Tertiary Care Centre

Sah,

Lohani,

Prasad Singh

2023

J Nepal Med Assoc

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Computerized Axial Tomography in the Diagnosis and Management of Thyroid and Parathyroid Disorders

Blum

Reede

Seltzer

et al. 1984

The American Journal of the Medical Sciences

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Standard and Computed Tomography in the Evaluation of Neoplasms of the Chest

Inouye¹

1986

Ann Intern Med

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Although in practice computed tomography (CT) has nearly replaced standard tomography in the evaluation of chest diseases, an analysis of the literature shows that standard tomography may be preferred in some settings. After a detailed review of studies on test performance, we calculated overall sensitivity and specificity values. Using Bayesian analysis, we then developed guidelines for choosing between computed and standard tomography. A test is recommended if its results might obviate the need for an invasive procedure. Standard tomography is recommended in the detection of mediastinal metastases from lung cancer. In the detection of hilar metastases, standard tomography is recommended for patients who have low pretest probabilities of metastases to this site, and computed tomography is recommended for patients who have high pretest probabilities. Computed tomography is recommended for the detection of calcification in solitary pulmonary nodules. Tomographic procedures are not recommended when the pretest probability is intermediate. The discrepancy between current practice and these guidelines highlights the need for carefully designed, multi-institutional comparative studies of radiographic procedures.

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Radiation Doses in Computerized Tomography

Cited by 3 publications

References 7 publications

Inadequate Completion of Computed Tomography Request Forms of Patients Visiting the Department of Radiology in a Tertiary Care Centre

Inadequate Completion of Computed Tomography Request Forms of Patients Visiting the Department of Radiology in a Tertiary Care Centre

Computerized Axial Tomography in the Diagnosis and Management of Thyroid and Parathyroid Disorders

Standard and Computed Tomography in the Evaluation of Neoplasms of the Chest

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