PMC6057417_01
A contrast abdominal CT scan showing a 7.0 x 5.0 cm heterogeneous mass (black asterisk) located between the abdominal aorta (Ao) and the inferior vena cava, pushing the head of the pancreas (p).
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An abdominal computed tomography (CT) scan revealed no adrenal abnormalities but a 7.0 x 5.0 cm tissular-like retroperitoneal mass in contact with the abdominal aorta and the inferior vena cava, intimately related and displacing anteriorly the head of the pancreas (Figure 1).
Angiography showing several feeding arteries arising from the right renal artery (a) and the 3rd right lumbar artery (L3) (b). Successful embolization of several arterial arteries: e.g., the 3rd right lumbar artery (c).
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It consisted of coiling of four major feeding vessels, 2 arising from the right renal artery and 2 more from the lumbar arteries (L2 and L3), using hydrogel with Polyzene -F coating microparticules (Figure 2).
Surgical site showing the presence of the paraganglioma with intimate contact with the abdominal aorta and the inferior vena cava after mobilization of the duodenum.
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Perioperative exploration found a retroperitoneal soft encapsulated tumor measuring 7.0 cm in diameter, in intimate contact with the abdominal aorta, the right renal vein, and the inferior vena cava (Figure 3).
Cut gross specimen showing a tan colored mass.
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A complete resection of the tumor was performed and no adjacent organs were removed or injured during the surgery (Figure 4).