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Contrast-enhanced ultrasound in renal cystic lesions: an update.
J Med Ultrason (2001)
October 2024
Department of Clinical and Experimental Medicine, Foggia University School of Medicine, Viale L. Pinto 1, 71121, Foggia, Foggia, Italy.
This narrative review aims to describe the current status of contrast-enhanced ultrasound (CEUS) in characterizing renal cystic lesion. The imaging techniques usually performed for their evaluation are ultrasonography (US), computed tomography (CT), and magnetic resonance imaging (MRI) with different criteria of application based on the individual case and the purpose of the examination. Generally, US, as a non-ionizing examination, is the first imaging modality performed and therefore the one that incidentally detects cystic lesions.
View Article and Find Full Text PDFUpdate on Renal Cell Carcinoma Diagnosis with Novel Imaging Approaches.
Cancers (Basel)
May 2024
Service de Radiologie Diagnostique et Interventionnelle, Hôpital de Bicêtre AP-HP, 78 Rue du Général Leclerc, 94275 Le Kremlin-Bicêtre, France.
This review highlights recent advances in renal cell carcinoma (RCC) imaging. It begins with dual-energy computed tomography (DECT), which has demonstrated a high diagnostic accuracy in the evaluation of renal masses. Several studies have suggested the potential benefits of iodine quantification, particularly for distinguishing low-attenuation, true enhancing solid masses from hyperdense cysts.
View Article and Find Full Text PDFWorld Health Organization 2022 Classification Update: Radiologic and Pathologic Features of Papillary Renal Cell Carcinomas.
Acad Radiol
August 2024
Department of Radiology, Stanford University School of Medicine, 300 Pasteur Drive, Stanford, California 94305, USA.
Rationale And Objectives: To describe imaging and pathology features of newly defined papillary renal cell carcinoma (pRCC) based on the WHO 2022 update.
Materials And Methods: This retrospective study included 87 patients with 93 pathologically proven papillary renal cell carcinomas who underwent pre-treatment renal mass protocol CT or MRI. Baseline and post-treatment follow-up imaging was evaluated by two radiologists systematically based on established lexicon.
Bosniak Classification of Cystic Renal Masses: Looking Back, Looking Forward.
Acad Radiol
August 2024
Department of Radiology, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Via Albertoni 15, Bologna, Italy (N.B., C.M., M.R.).
Rationale And Objectives: According to the 2019 update of the Bosniak classification, the main imaging features that need to be evaluated to achieve a correct characterization of renal cystic masses include the thickness of walls and septa, the number of septa, the appearance of walls and septa, the attenuation/intensity on non-contrast CT/MRI and the presence of unequivocally perceived or measurable enhancement of walls and septa. Despite the improvement deriving from a quantitative evaluation of imaging features, certain limitations seem to persist and some possible scenarios that can be encountered in clinical practice are still missing.
Materials And Methods: A deep analysis of the 2019 update of the Bosniak classification was performed.
Validation of the updated Bosniak classification (2019) in pathologically confirmed CT-categorised cysts.
Scott Med J
February 2024
Department of Urology, Ninewells Hospital, Division of Imaging Sciences and Technology, School of Medicine, University of Dundee, Dundee, UK.
Introduction: The updated Bosniak classification in 2019 (v2019) addresses vague imaging terms and revises the criteria with the intent to categorise a higher proportion of cysts in lower-risk groups and reduce benign cyst resections. The aim of the present study was to compare the diagnostic accuracy and inter-observer agreement rate of the original (v2005) and updated classifications (v2019).
Method: Resected/biopsied cysts were categorised according to Bosniak classifications (v2005 and v2019) and the diagnostic accuracy was assessed with reference to histopathological analysis.
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