Abdominal Aortic Aneurysm Demonstrated on Renal Scintigraphy

Abstract

A 74-year-old hypertensive woman presented with abdominal discomfort and a pulsatile abdominal mass. Anterior abdominal angiography during cardiac blood pool, and renal scintigraphic imaging demonstrated a large abdominal aortic aneurysm. 1, 2 Before endovascular repair with an aortoiliac endograft, the abdominal aneurysm measured 7.5 x 7.0 cm on abdominal computed tomography. This study demonstrates that a suspected abdominal aortic aneurysm can be confirmed using the addition of anterior abdominal imaging with normal posterior imaging at the time of renal scintigraphy.

Detection of Endoleaks after Endovascular Aneurysm Repair with Use of Technetium-99m Sulfur Colloid and 99m Tc-labeled Red Blood Cell Scans

“…The rationale for the use of scintigraphic techniques to detect endoleaks is supported by reports of small pseudoaneurysms and AAAs that were detected incidentally on nuclear medicine scans for gastrointestinal bleeding (12)(13)(14)(15)(16). In addition, although CT angiography has some obvious inherent advantages over nuclear medicine scans, related to the increased anatomic data obtained from CT, scintigraphic scans offer some potential advantages over current radiologic imaging techniques for endoleaks.…”

An incidental detection of aortic aneurysm on Tc-99m MAG3 renal scintigraphy

“…The scintigraphic fi rst pass (blood fl ow) or blood pool studies may show unusual abdominal or thoracic features suggestive of aneurysm as an incidental fi nding [5][6][7][8][9]. Detecting aortic aneurysm with Tc-99m MAG3 renal scintigraphy is not at all common and has been previously reported in literature in only one diagnosed case [5]. To the best of our knowledge, the case reported here is the fi rst presentation of incidental aortic aneurysm detected with Tc-99m MAG3 which started from the ascending aorta and extended to the iliac bifurcation.…”

“…Duplex Ultrasonography is the most common modality to detect AA and CT angiography is the fi rst choice of imaging studies to defi ne the diameter of the aorta and suspected renal artery involvement in a patient with AA [4]. The scintigraphic fi rst pass (blood fl ow) or blood pool studies may show unusual abdominal or thoracic features suggestive of aneurysm as an incidental fi nding [5][6][7][8][9]. …”