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Egyptian Journal of Radiology and Nuclear Medicine
Fig. 5 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 5

From: Role of magnetic resonance imaging in characterization of cystic renal lesions based on Bosniak classification version 2019

Fig. 5

A 49-year-old male patient with incidentally discovered a right cystic renal lesion. Axial T2-WI of the right kidney (A) showed a right lower polar cystic lesion with few septa and a low SI mural nodule. This cystic lesion showed heterogeneous low SI at axial T1WI (B) and showed a thick enhancing wall (3 mm), a few enhancing thick septa (reaching 4mm), and an enhanced mural nodule at the axial corticomedullary (C), nephrographic (D), and coronal DCE-MRI images (E). By consensus, cystic lesion was categorized as Bosniak class IV with both original and version 2019 systems. In view of the large enhancing mural nodule that was seen with an acute angle to the wall, the patient underwent right radical nephrectomy, and histopathology was cystic renal cell carcinoma

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