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Computed Tomography of Abdominal Aortic AneurysmAn In Vivo Pathological Report With a Note on Dynamic Predictors
George Pillari, MD;
John B. Chang, MD;
Joseph Zito, MD;
Jon R. Cohen, MD;
Kenneth Gersten, MD;
Anthony Rizzo, MD;
Ariadne M. Bach, MD
Arch Surg. 1988;123(6):727-732.
Abstract
• A group of computed tomography (CT) descriptors were derived for abdominal aortic aneurysms. Terminology was defined and applied to the interpretation of the CT image in 55 prospective cases. Correlation of geometric parameters of aneurysm and analysis of the relationship of internal aneurysm components such as lumen and thrombus was performed. Predictive growth patterns for aneurysm demonstrated a synchronous increase in the volume of thrombus within the aneurysm In those aneurysms measuring 5 to 7 cm. Aneurysms greater than 7 cm were associated with an expansion of the patent pulsatile lumen, with no appreciable increase in thrombus volume. The thrombus-lumen ratio effectively described the changing internal architecture of aneurysm associated with increase in size. Proper utilization of CT descriptors develops a language that interprets aneurysm stability and potential for rupture and may provide an improved basis for timely surgical planning.
(Arch Surg 1988;123:727-732)
Author Affiliations
From the Department of Radiology (Drs Pillari, Zito, Gersten, Rizzo, and Bach), and the Division of Vascular Surgery, Department of Surgery (Drs Chang and Cohen), The Long Island Jewish Medical Center, New Hyde Park, NY, and The State University of New York at Stony Brook.
Footnotes
Accepted for publication July 23, 1987.
Reprint requests to Department of Radiology, The Long Island Jewish Medical Center, New Hyde Park, NY 11042 (Dr Pillari).
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