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We describe a case of lumbosacral plexopathy caused by an isolated aneurysm of the common iliac artery. The patient presented with worsening low back pain, progressive numbness and weakness of the right leg in the L2-L4 distribution. This had previously been diagnosed as sciatica. A CT scan showed an aneurysm of the right common iliac artery which measured 8 cm in diameter. Despite being listed for emergency endovascular stenting, the aneurysm ruptured and the patient died. It is important to distinguish a lumbosacral plexopathy from sciatica and to bear in mind its treatable causes which include aneurysms of the common and internal iliac arteries.

Original publication

DOI

10.1302/0301-620X.88B11.17745

Type

Journal

J Bone Joint Surg Br

Publication Date

11/2006

Volume

88

Pages

1524 - 1526

Keywords

Aged, Aneurysm, Ruptured, Fatal Outcome, Humans, Iliac Aneurysm, Lumbosacral Plexus, Male, Peripheral Nervous System Diseases, Radiography