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Multi-detector computed tomography angiography of a ruptured giant renal angiomyolipoma with pseudoaneurysm and associated saccular dilatation of left renal artery.

CASE REPORT A 55-year old female presented with history of acute abdominal pain, localized to the left flank following a minor trauma after a fall. Lab investigations revealed low hemoglobin count and hematuria. On ultrasonography, a heterogenous mass measuring approximately 15 × 20 × 13 cm in the left renal area arising from the upper and mid pole region being visible. A provisional diagnosis of renal mass with possible hemorrhage was made. On contrast enhanced computed tomography (CT) scan there was evidence of a large exophytic heterogeneous mass measuring approximately 13.2 × 10.8 × 19.0 cm having predominantly fat attenuation (Figure 1). Mass lesion is in anterolateral cortex of upper and middle pole of left kidney displacing and compressing residual renal parenchyma posteromedially and lower pole anteromedially. CT angiography was done in the same setting. On angiography dilated tortuous left renal artery was seen with mild dilation of its branches supplying the mass lesion. There was evidence of a large lobulated vascular sac like lesion of approximate size Corresponding author: