ArticleRadiologia brasileira
Progression rate in Bosniak category IIF complex renal cysts.
Article in Radiologia brasileira. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 16 citations in OpenAlex.
- Bosniak IIF renal cysts: natural history and the impact of lesion size on progression.International urology and nephrology · 2026Observational
- Article
- Clinical value of contrast-enhanced ultrasound combined with quantitative analysis in Bosniak ≥ II cystic renal masses.Abdominal radiology (New York) · 2025Article
- CEUS Bosniak Classification-Time for Differentiation and Change in Renal Cyst Surveillance.Cancers · 2023Review
- Risk of malignancy in T1-hyperintense Bosniak version 2019 class II and IIF cystic renal masses.Abdominal radiology (New York) · 2023Article
- Role of contrast-enhanced ultrasound in assessing indeterminate renal lesions and Bosniak ≥2F complex renal cysts found incidentally on CT or MRI.The British journal of radiology · 2021Article
- Article
- Article
- Diagnostic accuracy of retrospective application of the Vesical Imaging-Reporting and Data System: preliminary results.Radiologia brasileiraArticle
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Authors and funding
6 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
objectiveTo evaluate progression rate of Bosniak category IIF complex renal cysts and the malignancy rate among surgically resected cysts. MATERIALS AND
methodsWe performed a database search for complex renal cysts classified as Bosniak category IIF on computed tomography or magnetic resonance imaging between January 2008 and April 2016. Follow-up examinations (computed tomography or magnetic resonance imaging) were used in order to evaluate progression (Bosniak category reclassification) and stability, the latter being defined as remaining stable for a minimum of six months. Pathology reports were used as the reference to assess the malignancy rate of surgically resected cysts.
resultsA total of 152 cysts in 143 patients were included in the final analysis. Seven cysts (4.6%) were reclassified on follow-up studies, and mean time to progression was 20 months (range, 1 month to 4 years). Three cysts were surgically resected. All three were diagnosed as low-grade malignant renal cell carcinomas (RCCs): one clear cell RCC and two papillary RCCs. The remaining 145 cysts remained unchanged after a mean follow-up period of 28 months (range, 6 to 118 months).
conclusionThe progression rate in Bosniak category IIF cysts was low. Even lesions that were upgraded on follow-up remained stable, indicating an indolent behavior. Our data support the idea of conservative management of Bosniak IIF renal cyst.
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