AJR. American journal of roentgenology
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AJR Am J Roentgenol · Jul 2011
Adrenal masses in patients with cancer: PET/CT characterization with combined CT histogram and standardized uptake value PET analysis.
Our purpose was to determine the diagnostic performance of 18F-FDG PET/CT for characterizing adrenal masses in patients with cancer, combining standardized uptake value (SUV) and CT histogram analysis. ⋯ The combination of SUV and CT histogram analysis allowed us to significantly improve the PET/CT diagnostic accuracy for characterizing adrenal lesions, leading to a significant reduction in the number of false-positive cases.
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AJR Am J Roentgenol · Jul 2011
Characteristics of falls in a large academic radiology department: occurrence, associated factors, outcomes, and quality improvement strategies.
The objective of our study was to describe the characteristics of falls in a radiology department. ⋯ Falls were uncommon in the radiology department studied; however, they can result in significant morbidity and mortality.
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AJR Am J Roentgenol · Jul 2011
Endometrial cancer: correlation of apparent diffusion coefficient with tumor grade, depth of myometrial invasion, and presence of lymph node metastases.
The objective of our study was to investigate whether apparent diffusion coefficient (ADC) values of endometrial cancer differ from those of normal endometrium and myometrium and whether they vary according to histologic tumor grade, the depth of myometrial invasion, or lymph node status. ⋯ ADC values allow normal endometrium to be differentiated from endometrial carcinoma; however, they do not correlate with histologic tumor grade, the depth of myometrial invasion, or whether lymph node metastases are present.
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AJR Am J Roentgenol · Jul 2011
Are chest radiographs routinely indicated after chest tube removal following cardiac surgery?
The purpose of this prospective study was to determine the incidence and clinical significance of pneumothoraces detected on routine radiography after chest tube removal following cardiac surgery and correlate those findings with an immediate postprocedure assessment of the likelihood of new pneumothorax. ⋯ Chest radiography performed after chest tube removal following cardiac surgery is necessary only if the patient has respiratory or hemodynamic changes or if there are problems with the technical aspect of chest tube removal. Following this guideline in our patient population could have eliminated 86.3% of radiographs without missing any clinically significant pneumothoraces.
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AJR Am J Roentgenol · Jun 2011
Comparative StudyA phantom study comparing ultrasound-guided liver tumor puncture using new real-time 3D ultrasound and conventional 2D ultrasound.
The purpose of this study is to compare the accuracy of ultrasound-guided puncture using new real-time 3D (4D) ultrasound and conventional 2D ultrasound for focal hepatic masses using a liver phantom. ⋯ Four-dimensional ultrasound-guided puncture for liver tumors can markedly improve puncture accuracy for both experienced and inexperienced physicians compared with conventional 2D ultrasound guidance.