منابع مشابه
Artifacts, Pitfalls and Normal Variants
Image artifacts are encountered daily in clinical ultrasonography and may be a source of confusion for the interpreting sonologist. The understanding of the mechanisms behind their production allows recognition of artifacts and avoids misinterpretations and incorrect diagnoses. Some artifacts may be avoidable and arise secondary to improper scanning technique. Other artifacts are generated by t...
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Accurate recognition and reporting of spine abnormalities on MRI requires knowledge of normal anatomy and its variants. This article deals with common normal variants, points out pitfalls which may be sources of errors in interpretation and describes imaging artifacts which are essential to be recognized and not mistaken for true pathologies.
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The standard 12-lead ECG is a common diagnostic test that provides a wealth of diagnostic information of value for clinical decision making. Its value, however, depends upon the accuracy of its recording. This article presents common errors in clinical electrocardiography including inaccurate lead placement, inappropriate serial comparisons using different lead sets, lead wire reversals, inappr...
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Myocardial perfusion imaging (MPI) is an important imaging modality in the management of patients with cardiovascular disease. MPI plays a key role in diagnosing cardiovascular disease, establishing prognosis, assessing the effectiveness of therapy, and evaluating viability. However, MPI is a complex process, subject to a variety of artifacts and pitfalls, which may limit its clinical utility. ...
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18F-FDG PET is emerging as a useful tool in the staging and restaging of many malignant neoplasms, such as lymphoma, lung cancer, colorectal cancer, head and neck cancer, breast cancer, and melanoma. To accurately interpret 18F-FDG findings one must be familiar with the normal physiologic distribution of the tracer, frequently encountered physiologic variants, and benign pathologic causes of 18...
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ژورنال
عنوان ژورنال: Donald School Journal of Ultrasound in Obstetrics and Gynecology
سال: 2012
ISSN: 0973-614X,0975-1912
DOI: 10.5005/jp-journals-10009-1221