Acute Renal Infarction Presenting with Acute Abdominal Pain Secondary to Newly Discovered Atrial Fibrillation: A Case Report and Literature Review

Figure 1

CT abdomen and pelvis with IV contrast. Findings: kidneys: both kidneys were not obstructed. A subcentimeter hypodense lesion is seen without calcification or septation in the upper pole of the left kidney. A wedge-shaped hypodense lesion is seen in the upper pole of the right kidney, which may represent a perfusion abnormality. Additional hypodense regions are seen in the mid pole of the right kidney, which may represent the sequela of a perfusion abnormality. Alternatively, these hypodense regions may represent lesions with soft tissue attenuation. In the lower pole of the right kidney, a 1.6 × 1.8 cm hypodense lesion is seen with internal enhancement.

(a) Right kidney infarction (blue arrow)

(b) Right kidney infarction (blue arrow)

(c) Left kidney infarction-ischemic focus (blue arrow)