Retroperitoneal Liposarcoma Masquerading As An Impending Rupture of Inflammatory Abdominal Aortic Aneurysm.

Retroperitoneal Liposarcoma Masquerading As An Impending Rupture of Inflammatory Abdominal Aortic Aneurysm.

Ann Vasc Surg. 2018 Nov 26;:

Authors: Karkos CD, Pepis PD, Theologou M, Ballas K, Petras P, Arapoglou S, Giagtzidis IT, Mitka M, Pliatsios I, Papazoglou KO, Kambaroudis AG

Abstract
BACKGROUND: We present a unique case scenario of a periaortic liposarcoma masquerading as an impending rupture of an inflammatory abdominal aortic aneurysm (AAA).
CASE REPORT: A 57-year-old man was referred to our unit for an emergency endovascular repair of "an inflammatory AAA with CT features of impending rupture". He underwent an uneventful endovascular repair with a bifurcated endograft (C3, Gore, Flagstaff, AZ, USA). Seven weeks later, CT showed that the periaortic "mass" grew larger and asymmetric and a CT-guided needle biopsy suggested the presence of a high grade malignant mesenchymal tumor. He underwent laparotomy and excision of the retroperitoneal tumor en bloc with the anterior wall of the infrarenal aorta. The endograft acted as an excellent "safety net" providing adequate hemostatic control and obviating the need for aortic cross-clamping and repair of the aortic defect with a patch or tube graft.
CONCLUSION: The learning point from the present case is that when faced with an inflammatory AAA and/or retroperitoneal fibrosis, the rare possibility of a retroperitoneal neoplasm should be kept in mind.

PMID: 30496898 [PubMed - as supplied by publisher]

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