Aortic Aneurysm Presenting as Psoas Enlargement

Abstract
A patient with abdominal aortic aneurysm in which erosion and bleeding into the psoas muscle caused enlargement of that structure but remained confined within it until needle biopsy produced communication with the extraperitoneal space is presented. This confirms the observation that separate compartmentalization of retrofascial and extraperitoneal spaces normally maintains. The results of computed tomography are pesented.

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