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  • Title: [An unusual opacity of the right base].
    Author: Bigay-Game L, Lacassagne L, Doussau-Thuron S, Giron J, Didier A.
    Journal: Rev Mal Respir; 2001 Feb; 18(1):75-7. PubMed ID: 14639183.
    Abstract:
    The scimitar syndrome or pulmonary venolobar syndrome is a rare, complex and variable malformation of the right lung characterized by an abnormal right sided pulmonary venous drainage in the inferior vena cava, malformation of the right lung, abnormal arterial supply and sometimes cardiac malformations. We present a case in which this diagnosis was suspected on an abnormal routine chest radiograph in a 38-year-old asymptomatic woman. Most patients are asymptomatic; symptomatic patients have a marked left-to-right shunt or a severe congenital heart disease. They usually suffer from shortness of breath, asthenia or repeated chest infections. Usually, the posteroanterior chest radiograph can confirm the diagnostic. It shows the abnormal vein draining into the inferior vena cava as a curved vascular shadow with a scimitar like appearance. However, in some cases, when the scimitar vein is masked by the overlying cardiac shadow, computed tomography, angiography and magnetic resonance imaging can be helpful by showing the abnormal vein and its insertion into the inferior vena cava. Scimitar syndrome seldom necessitates surgical intervention. However, repeated lung infections can sometimes require lobectomy or pneumonectomy, left-to-right shunt vascular surgery to redirect the scimitar vein into the left atrium.
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