[Total anomalous pulmonary venous drainage. Description of a case].

A case of total anomalous pulmonary venous drainage (TAPVD) is reported, which according to Darling classification corresponded to infradiaphragmatic type (type III) and is associated to pulmonary arterial thrombosis and infarctions. It's emphasized the need of an accurate dissection of cardiovascular system in perinatal necropsies, specially in cases of sudden infant death. By an appropriate dissection, cardiovascular malformations can be recognized. Moreover, it's explained the pathogenesis of pulmonary arterial thrombosis and infarctions.