European journal of radiology
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Randomized Controlled Trial Comparative Study
A novel Laser Navigation System reduces radiation exposure and improves accuracy and workflow of CT-guided spinal interventions: a prospective, randomized, controlled, clinical trial in comparison to conventional freehand puncture.
Phantom model evaluation and prospective randomized clinical trial to assess the clinical feasibility and benefit of using a novel Laser Navigation System (LNS) in CT-guided epidural and perineural injections in comparison to the conventional freehand procedure. ⋯ The LNS group showed significantly improved results in both study designs. Both the phantom model evaluation and the clinical trial of spinal injections showed feasibility and efficacy of using the novel LNS. Even an experienced interventional team worked with it more precise, faster and with reduced radiation exposure.
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Randomized Controlled Trial
Sonography of intrathyroid parathyroid adenomas: are there distinctive features that allow for preoperative identification?
The purpose of our study was to determine if intra-thyroid parathyroid adenomas can be accurately identified by applying proposed criteria to preoperative ultrasound examinations in patients with primary hyperparathyroidism. ⋯ Application of specific ultrasound criteria facilitates pre-operative diagnosis of intra-thyroid parathyroid adenomas and facilitates surgical planning. This large series confirms previous, largely anecdotal reports of ultrasound's utility in detecting intra-thyroid parathyroid adenomas.
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Randomized Controlled Trial
Triple-rule-out dual-source CT angiography of patients with acute chest pain: dose reduction potential of 100 kV scanning.
To investigate the dose reduction potential of low kV triple-rule-out dual-source CT angiography (TRO-CTA) in non-obese (BMI ≤ 25 kg/m(2)) patients with acute chest pain. ⋯ TRO-CTA with 100 kV is feasible in non-obese patients and results in diagnostic image quality and significantly reduced radiation dose.
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Randomized Controlled Trial Comparative Study
Prostate cancer: 1HMRS-DCEMR at 3T versus [(18)F]choline PET/CT in the detection of local prostate cancer recurrence in men with biochemical progression after radical retropubic prostatectomy (RRP).
This study compares proton magnetic resonancespectroscopic imaging (1H-MRSI) and dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) combined techniques at 3T magnet versus [(18)F]choline PET/computed tomography (CT) in the detection of local prostate cancer recurrence in patients with biochemical progression after radical retropubic prostatectomy (RRP). ⋯ The diagnostic accuracy of combined 1HMRSI-DCEMR was higher than PET/CT to identify local prostate cancer recurrence, mostly in patients with low biochemical progression after RRP (0.2-2ng/mL).
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Randomized Controlled Trial Comparative Study
CT-guided percutaneous lung biopsy: comparison of conventional CT fluoroscopy to CT fluoroscopy with electromagnetic navigation system in 60 consecutive patients.
To determine if use of an electromagnetic navigation system (EMN) decreases radiation dose and procedure time of CT fluoroscopy guided lung biopsy in lesions smaller than 2.5 cm. ⋯ EMN was not statistically different than CTF for fluoroscopy time, radiation dose, number of needle repositions, incidence of pneumothorax, need for chest tube, or diagnostic yield. Procedure time was increased with EMN.