Magnetic resonance imaging as an adjunct diagnostic tool in computed tomography defined Bosniak IIF-III renal cysts: a multicenter study
Language English Country Germany Media print-electronic
Document type Journal Article, Multicenter Study
PubMed
29383479
DOI
10.1007/s00345-018-2176-z
PII: 10.1007/s00345-018-2176-z
Knihovny.cz E-resources
- Keywords
- Cystic tumor, Imaging, Kidney, Magnetic resonance, Renal cyst,
- MeSH
- Kidney Diseases, Cystic diagnostic imaging pathology MeSH
- Cysts MeSH
- Humans MeSH
- Magnetic Resonance Imaging * MeSH
- Kidney Neoplasms MeSH
- Tomography, X-Ray Computed MeSH
- Retrospective Studies MeSH
- Check Tag
- Humans MeSH
- Male MeSH
- Female MeSH
- Publication type
- Journal Article MeSH
- Multicenter Study MeSH
- Geographicals
- Czech Republic MeSH
- Poland MeSH
- Austria MeSH
INTRODUCTION: CT imaging is the standard examination for renal cystic lesions and defines the Bosniak category, which dictates further management. Given that Bosniak II/IIF/III renal cystic lesions can potentially harbor renal cell carcinoma (RCC), additional diagnostic modalities may be required in management decision making. AIM: To determine the value of additional magnetic resonance imaging in CT-defined Bosniak IIF-III renal cystic lesions. MATERIALS AND METHODS: This a multicenter retrospective study of 46 consecutive patients, diagnosed with cystic renal lesions between 2009 and 2016. The inclusion criteria were: (1) cystic renal lesion classified as Bosniak IIF-III on CT, (2) a subsequent MRI examination, and (3) documented outcome via surgery for cystic renal mass or follow-up. RESULTS: 46 patients (35 males, 11 females) were included. The mean size of the cystic lesion was 3.92 cm (0.7-10 cm). According to the CT findings, Bosniak IIF and III were found in 12 (26.1%) and 34 (73.9%) cases. Reclassification of Bosniak category was done after MRI examination in 31 cases (67.4%). An upgrade rate of 58.7% (27 cases) to a higher category was made, while the downgrade rate to a lower category was achieved in 4 cases (8.7%). As a result, significant therapeutic management change was made in 12/31 patients (38.7%), of whom 8 underwent subsequent surgery. CONCLUSION: MRI study may reduce the use of Bosniak IIF category (in comparison with CT), which has a direct impact on therapeutic management (surgery vs. surveillance) in a significant proportion of patients.
Department of Urology Jagiellonian University Medical College Kraków Poland
Department of Urology Medical University of Vienna Vienna Austria
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