Bosniak classification of cystic renal masses, version 2019: interpretation pitfalls and recommendations to avoid misclassification

Edney, Elizabeth; Davenport, Matthew S.; Curci, Nicole; Schieda, Nicola; Krishna, Satheesh; Hindman, Nicole; Silverman, Stuart G.; Pedrosa, Iván

doi:10.1007/s00261-020-02906-8

Cited by 20 publications

(11 citation statements)

References 50 publications

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“…The renal cyst was defined as fluid-filled sacs that develop in the kidneys containing a watery fluid. Bosniak classification was defined according to the Bosniak Classification of Cystic Renal Masses, Version 2019 9 . Baseline characteristics and malignancy rate was recorded.…”

Section: Methodsmentioning

confidence: 99%

“…After excluding certain diseases such as infections, inflammation, and vascular disorders, this separates renal cystic lesions into 4 categories 7 . Because Bosniak types I and II are simple and slightly difficult cysts, they do not require extra investigation 8,9 . Bosniak categories IIF are ambiguous, they are probably to have benign features that warrant further research or follow-up, such as with a hemorrhagic cyst > 3 cm with dense calcifications [10][11][12] .…”

Section: Introductionmentioning

confidence: 99%

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Rate of Malignancy in the Complex Renal Cystic Lesions (Bosniak Iif, Iii, Iv) Single Center Study

Shah¹,

Khan²,

Furqani³

et al. 2022

PJMHS

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Aim: To determine the rate of malignancy in the complex renal cystic lesions. Material and methods: We studied 111 patients both male and female above the age of 18 years with complex renal cystic lesions classified as Bosniak category IIF, III, and IV on CT. Patients with Bosniak categories I and II were excluded from the study. The rate of malignancy was analyzed. Results: The mean age of the patients was 47.58±15.05 years. 27% of patients were Bosniak category IIF, 29.7% of patients were category III and 43.2% were category IV. The overall rate of malignancy was 62.2% in all patients who presented with complex renal cystic lesions. The rate of malignancy in Bosniak categories IIF,III and IV were 33.3%, 54.5% and 85.4% respectively. Conclusion: Malignancy was observed in 62.2% of the patients who presented with complex renal cystic lesions. The rate of malignancy in Bosniak categories IIF,III and IV were 33.3%, 54.5% and 85.4% respectively. Keywords: Malignancy, Renal cysts, Bosniak classification

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Rate of Malignancy in the Complex Renal Cystic Lesions (Bosniak Iif, Iii, Iv) Single Center Study

Shah¹,

Khan²,

Furqani³

et al. 2022

PJMHS

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“…Cystic lesions were characterized under the Bosniak v2019 classification system. 10 The lesions to be treated were assessed by the RENAL nephrometry 11 and ABLATE 12 scores aimed at predicting the risk of adverse events and relapses.…”

Section: Patientsmentioning

confidence: 99%

Cone Beam Computed Tomography Image Fusion with Cross Sectional Images for Percutaneous Renal Tumor Ablation: Preliminary Data

Ierardi

Carnevale

Stellato

et al. 2023

Technol Cancer Res Treat

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Purpose Percutaneous ablative treatments in the kidney are now standard options for local cancer therapy. Multimodality image guidance, combining two 3D image sets, may improve procedural images and interventional strategies. We aimed to assess the value of intra-procedural cone beam computed tomography (CBCT) with magnetic resonance (MR) or CT imaging fusion technique in the guidance of percutaneous microwave ablation (MWA) of renal neoplasms. Materials and methods Fifteen patients (eight males, seven females, median age 65 years, median lesion size 20 mm) underwent percutaneous MWA for 15 renal tumors. All the procedures were performed in a dedicated angiography room setting; CBCT ablation planning capabilities included multimodality image fusion. Preoperative contrast-enhanced CT was available in 12 patients, whereas magnetic resonance imaging in the remaining. All patients were considered inoperable due to comorbidities, advanced age, and/or refusal to undergo surgery. Exclusion criteria were: tumors visible at unenhanced CBCT, metastatic disease, and uncorrected coagulopathy. Technical success and technical effectiveness were calculated. Procedural time, complications and recurrences were registered. Results MWA under CBCT-guidance with fusion technique was technically successful in 14 out of 15 cases (93%). The median procedural time was 45 min. No procedure-related complications were reported. No enhancing tissue was visualized in the area of ablation at 1-month follow-up. All 15 cases were recurrence-free at last follow-up assessment (median follow-up of 12 months); no cancer-specific deaths were registered. Conclusion CBCT-CT/MR image fusion is technically feasible and safe in achieving correct targeting and complete ablation of renal lesions. This approach bears the potential to overcome most of the limitations of unenhanced CBCT guidance alone; larger series are needed to validate this technique.

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“…CECT is the modality of choice for evaluation of cystic renal masses [12,13,69,70,71,72]. Table 4 shows the CT characteristics of a renal cystic mass based on the recent Bosniak classification [12,13].…”

Section: Computed Tomographymentioning

confidence: 99%

The Role of Imaging in the Management of Renal Masses

Sari¹

2022

JARMHS

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The widespread availability of cross-sectional imaging is responsible for the increased detection of small, usually asymptomatic renal masses. More than 50% of renal cell carcinomas (RCCs) represent incidental findings on noninvasive imaging. Multimodality imaging, including conventional US, contrast-enhanced US (CEUS), multiparametric CT and MRI (mpMRI) is essential in diagnosing and characterizing renal masses, but also provides information regarding its prognosis, therapeutic management, and follow-up. In this review, the imaging data for renal masses that urologists require for accurate treatment planning will be discussed. The roles of US, CEUS, CT and mpMRI in the detection and characterization of renal masses, RCC staging and follow-up of treated or untreated local RCCs will be presented. The role of percutaneous image-guided ablation in the management of RCC will also be reviewed

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Bosniak classification of cystic renal masses, version 2019: interpretation pitfalls and recommendations to avoid misclassification

Cited by 20 publications

References 50 publications

Rate of Malignancy in the Complex Renal Cystic Lesions (Bosniak Iif, Iii, Iv) Single Center Study

Rate of Malignancy in the Complex Renal Cystic Lesions (Bosniak Iif, Iii, Iv) Single Center Study

Cone Beam Computed Tomography Image Fusion with Cross Sectional Images for Percutaneous Renal Tumor Ablation: Preliminary Data

The Role of Imaging in the Management of Renal Masses

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