Computed tomography imaging characteristics of clear cell papillary renal cell carcinoma



Document title: Computed tomography imaging characteristics of clear cell papillary renal cell carcinoma
Journal: International braz j urol
Database: PERIÓDICA
System number: 000434661
ISSN: 1677-5538
Authors: 1
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2
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1
1
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3
4
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Institutions: 1Tokyo Women's Medical University, Department of Urology, Tokio. Japón
2Tokyo Women's Medical University, Medical Center East, Tokio. Japón
3Tokyo Women's Medical University, Department of Diagnostic Imaging and Nuclear Medicine, Tokio. Japón
4Tokyo Women's Medical University, Department of Surgical Pathology, Tokio. Japón
Year:
Season: Ene-Feb
Volumen: 46
Number: 1
Country: Brasil
Language: Inglés
Document type: Artículo
Approach: Aplicado, descriptivo
English abstract Purpose: Clear cell papillary (CCP) renal cell carcinoma (RCC) is a new subtype of RCC that was formally recognized by the International Society of Urological Pathology Vancouver Classification of Renal Neoplasia in 2013. Subsequently, CCP RCC was added to the 2016 World Health Organization Classification of Tumors of the Urinary System and Male Genital Organs. In this study, we retrospectively investigated the computed tomography (CT) findings of pathologically diagnosed CCP RCC. Materials and Methods: This study included 12 patients pathologically diagnosed with CCP RCC at our institution between 2015 and 2017. We reviewed the patient's CT data and analyzed the characteristics. Results: Nine solid masses and 3 cystic masses with a mean tumor size of 22.7±9.2mm were included. Solid masses exhibited slight hyper-density on unenhanced CT with a mean value of 34±6 Hounsfield units (HU), good enhancement in the corticomedullary phase with a mean of 195±34HU, and washout in the nephrogenic phase with a mean of 133±29HU. The walls of cystic masses enhanced gradually during the corticomedullary and nephrogenic phases. Solid and cystic masses were preoperatively diagnosed as clear cell RCC and cystic RCC, respectively. Conclusions: The CT imaging characteristics of CCP RCCs could be categorized into either the solid or cystic type. These masses were diagnosed radiologically as clear cell RCC and cystic RCC, respectively
Disciplines: Medicina
Keyword: Oncología,
Nefrología,
Diagnóstico,
Carcinoma de células renales,
Tomografía computarizada
Keyword: Oncology,
Nephrology,
Diagnosis,
Renal cells carcinoma,
Computed tomography
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