Fig. 1

WS occurring in systemic lupus erythematosus

A 75-year-old female patient presented to our hospital with a two-year history of intermittent bilateral leg weakness. Two days after admission, the patient presented with acute abdominal pain, shock, a significant decrease in hemoglobin levels, and alterations in mental status. An abdominal CT scan revealed a large hematoma in the left kidney compressing the renal parenchyma (yellow arrow), with an overall size of 63 × 42 mm (a-b). Emergency angiography was promptly performed, revealing a rupture of a branch of the left renal artery (yellow arrow) (c), whereas the right renal artery remained intact (d). The offending vessel was embolized with thread rings and gelatin sponges (yellow arrow), effectively preventing the extravasation of contrast agent (e)