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  • Title: [Evaluation of a portable ultrasound device immediately after spiral computed tomography].
    Author: Oschatz E, Prosch H, Schober E, Mostbeck G.
    Journal: Ultraschall Med; 2004 Dec; 25(6):433-7. PubMed ID: 15597237.
    Abstract:
    AIM: Portable ultrasound devices are an established diagnostic tool. They are frequently used in trauma and emergency wards. Multidetector computed tomography (MD-CT) represents the standard imaging method for many diagnostic questions. In some patients, however, there are findings on CT which remain unspecific. In these cases, a complementary ultrasound (US) examination may help to obtain a specific diagnosis. Aim of this study is the evaluation of a portable US device immediately after MD-CT for further work-up of unclear lesions. METHODS: 257 MD-CT examinations were performed during a 3-week period. A portable US device (LogiqBook, GE Medical Systems, Solingen, Deutschland) was used when a lesion found at MD-CT remained unclear. Time intervals between CT and US as well as US examination times were registered. RESULTS: US was used in 23 of 257 CT examinations (8.9 %), but 3 of these examinations had to be terminated due to unfavourable US conditions. Thus, there remained 19 questions regarding parenchymal lesions in the liver (n = 13), kidney (n = 1) or suprarenal gland (n = 2). Pleural empyema was suspected in the 4 remaining patients. In all of the 20 patients, US helped to narrow down the differential diagnosis of MD-CT results. The mean time span between CT and US was 2.5 min, and the mean US examination time was 6.5 min. CONCLUSION: Portable US immediately after MD-CT helps to narrow down the differential diagnosis of hepatic and pleural lesions with minimal additional effort in time and organization.
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