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Fig. 2 | Insights into Imaging

Fig. 2

From: MDCT of blunt renal trauma: imaging findings and therapeutic implications

Fig. 2

ab Subcapsular haematoma (AAST grade I) (a) and perirenal haematoma (AAST grade II) (b). The 3-mm-thick multiplanar reconstruction (MPR) coronal image (a) acquired during the delayed phase of the study shows a well-delimited hypodense biconvex-shaped collection (star), located between the renal parenchyma and renal capsule, which determines the mild mass effect on the adjacent parenchyma (arrowheads), representing subcapsular haematoma. A similar finding may also be observed in the 3-mm-thick multiplanar reconstruction (MPR) axial image (b) acquired during the nephrographic phase in another patient in which, however, an irregularly delimited inhomogenously hypodense collection, representing perirenal haematoma (arrowheads), is appreciable between the renal parenchyma and the Gerota fascia. In both cases neither parenchymal lacerations nor active contrast material extravasations can be observed

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