Academic Journal
The usefulness of agent emission imaging - high mechanical index ultrasound mode in the diagnosis of urolithiasis: a prospective preliminary study
| العنوان: | The usefulness of agent emission imaging - high mechanical index ultrasound mode in the diagnosis of urolithiasis: a prospective preliminary study |
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| المؤلفون: | Artur Salmaslıoğlu, Mesut Bulakçı, Barış Bakır, Ravza Yılmaz, Yunus Emre Akpınar, Tzevat Tefik, Öner Şanlı, Sevda Özel, Bülent Acunas |
| المصدر: | Diagnostic and Interventional Radiology, Vol 24, Iss 3, Pp 169-174 (2018) |
| بيانات النشر: | Galenos Publishing House |
| سنة النشر: | 2018 |
| المجموعة: | Directory of Open Access Journals: DOAJ Articles |
| مصطلحات موضوعية: | Medical physics. Medical radiology. Nuclear medicine, R895-920 |
| الوصف: | PURPOSE:We aimed to determine the feasibility and effectiveness of agent emission imaging - high mechanical index (AEI-High MI) mode ultrasonography (US) compared with gray-scale and color Doppler US, alone or in combination, for the diagnosis of urolithiasis with reference to unenhanced computed tomography (CT).METHODS:This prospective study included 72 consecutive patients (40 males, 32 females; mean age, 45.9±14.7 years) referred by the department of urology for acute or elective symptoms of urolithiasis and confirmed to have urinary calculi on unenhanced abdominal CT, between January 2015 and June 2015. Gray-scale, color Doppler, and AEI-High MI US were performed by two radiologists to determine the effectiveness of these methods in the diagnosis of urinary stones and to compare them with the reference modality.RESULTS:A total of 189 calculi were detected on CT examination. Gray-scale US had a sensitivity of 66.1% and positive predictive value (PPV) of 88.7% for detecting calculi, while twinkling artifact of color Doppler had a sensitivity of 70.4% and PPV of 94.3%. The scintillation artifact of AEI-High MI mode had a sensitivity of 75.1% and PPV of 95.9%. When all ultrasound-based modalities were combined, the sensitivity and PPV rose to 83.1% and 88.2%, respectively. When calculi were grouped according to their size (<5 mm, 5–10 mm, >10 mm), AEI-High MI mode had a higher sensitivity (60%) compared with gray-scale (32.5%) and color Doppler (41.3%) for calculi <5 mm.CONCLUSION:AEI-High MI mode had a higher sensitivity compared with gray-scale and color Doppler for the detection of calculi smaller than 5 mm, but it did not make a significant contribution to detection of larger calculi. The combined use of gray-scale US with AEI-High MI mode could increase the detection rate of calculi smaller than 5 mm and provide a method for verification of suspected calculi on gray-scale US. |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | English |
| تدمد: | 1305-3825 1305-3612 |
| Relation: | http://www.dirjournal.org/archives/archive-detail/article-preview/the-usefulness-of-agent-emission-imaging---high-me/55126; https://doaj.org/toc/1305-3825; https://doaj.org/toc/1305-3612; https://doaj.org/article/810dfc378bb44c27b671c39a9a4b07a8 |
| DOI: | 10.5152/dir.2018.18005 |
| الاتاحة: | https://doi.org/10.5152/dir.2018.18005 https://doaj.org/article/810dfc378bb44c27b671c39a9a4b07a8 |
| رقم الانضمام: | edsbas.EB716DFC |
| قاعدة البيانات: | BASE |
Full Text Finder | تدمد: | 13053825 13053612 |
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| DOI: | 10.5152/dir.2018.18005 |