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a Department of Nuclear Medicine, Marmara University School of Medicine, Istanbul, Turkey
b Department of Cardiology, Florence Nightingale Hospital, Istanbul, Turkey
c Department of Chest Surgery, Marmara University School of Medicine, Istanbul, Turkey
Accepted for publication February 1, 2008.
* Address correspondence to Dr Ones, Kayasultan Sokak, Aydogan Sitesi, No:58 A Blok Daire:5 Kozyata
i/Istanbul 34742, Turkey (Email: tones{at}marmara.edu.tr).
A case of pulmonary arteriovenous malformation (PAVM) in a 32-year-old woman who underwent successful left upper lobectomy is presented. A whole-body technetium-99m-labeled macro-aggregated albumin scan was used to demonstrate intrapulmonary right-to-left shunt, and shunt fraction was calculated as 39%. The patient underwent a follow-up scan after the operation; shunt fraction was calculated to be within normal limits (5%). The whole-body technetium-99m-labeled macro-aggregated albumin scan seems to be a simple and noninvasive test in the demonstration and quantitation of the degree of the right-to-left shunt in pulmonary arteriovenous malformation. The whole-body technetium-99m-labeled macro-aggregated albumin scan may also be useful for evaluation of the hemodynamic changes after surgical treatment and follow-up of the patients with pulmonary arteriovenous malformation.
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