Atypical partial anomalous pulmonary venous drainage of the left upper pulmonary vein through a compressed vertical vein between the aorta and the pulmonary artery.

摘要

Partial anomalous pulmonary venous drainage (PAPVD) of the left upper pulmonary vein (LUPV) into the left innominate vein (LIV) usually passes anteriorly to the aortic arch [1]. Rarely, the vertical vein courses more posteriorly with a risk of compression between the left pulmonary artery (LPA) and the left main bronchus (LMB), or exceptionally between the LPA and the aorta [2]. We report an atypical PAPVD of the LUPV through a compressed vertical vein between the aorta and the LPA diagnosed by electrocardiographically gated 64-multislice computed tomography (MSCT).A 15-month-old boy was referred to the department of pediatric cardiology for exploration of dyspnea and poor feeding. Echocardiography showed an abnormal paraaortic vessel draining into the LIV. The LUPV was not seen, and PAPVD of the LUPV was suspected. For better identification of each pulmonary vein and definition of all drainage connections, MSCT was performed.