Left pulmonary vein anatomical variation in Turner syndrome. Benefits of three-dimensional visualization for surgical planning.

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A 41 year-old female with a medical history of Turner syndrome underwent a chest computed tomography (CT) scan which revealed a varicose left pulmonary vein and an endobronchial tumor of the left lower lobe. As venous drainage of each lobe seemed to be respected, surgical resection was considered. During surgical exploration, the absence of fissure and a unique venous trunk was observed. Surgical resection was aborted as only pneumonectomy was possible in this context. Endobronchial resection was performed. To better understand this particular anatomy, a three-dimensional (3D) reconstruction was performed a posteriori. This technique is already commonly used in the preoperative planning of pulmonary segmentectomy. Here, we have shown its interest in a lung malformative context.