title: Cor triatriatum.
abstract: A case of cortriatriatum, which is not included in three types of Loeffler's classification, is reported, and a complete description of the anatomy and pathology of the case is given. A successful surgical repair of this malformation is possible; therefore the importance of its recognition is emphasized. The clinical manifestations and the different aetiopathogenic theories are reviewed.
mesh_terms: D005260:Female; D006325:Heart Atria / Q000002:abnormalities; D006330:Heart Defects, Congenital / Q000473:pathology*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D009206:Myocardium / Q000473:pathology; D011667:Pulmonary Veins / Q000002:abnormalities*