title: Primary benign myopericytoma of the left atrium.
authors.affiliation: Department of Cardiology, Hospital of the Government of the City of Buenos Aires "Dr. Cosme Argerich", Ciudad Autónoma de Buenos Aires, Pi y Margall 750, Capital Federal, C1155AHB, Buenos Aires, Argentina. tcianciulli@gmail.com.
authors.forename: Tomás Francisco
authors.initials: TF
authors.lastname: Cianciulli
authors.affiliation: Department of Cardiology, Hospital of the Government of the City of Buenos Aires "Dr. Cosme Argerich", Ciudad Autónoma de Buenos Aires, Pi y Margall 750, Capital Federal, C1155AHB, Buenos Aires, Argentina.
authors.forename: Jorge Alberto
authors.initials: JA
authors.lastname: Lax
authors.affiliation: Department of Cardiology, Hospital of the Government of the City of Buenos Aires "Dr. Cosme Argerich", Ciudad Autónoma de Buenos Aires, Pi y Margall 750, Capital Federal, C1155AHB, Buenos Aires, Argentina.
authors.forename: María Cristina
authors.initials: MC
authors.lastname: Saccheri
authors.affiliation: Department of Cardiology, Hospital of the Government of the City of Buenos Aires "Dr. Cosme Argerich", Ciudad Autónoma de Buenos Aires, Pi y Margall 750, Capital Federal, C1155AHB, Buenos Aires, Argentina.
authors.forename: Juan Pablo
authors.initials: JP
authors.lastname: Lestard
authors.affiliation: Department of Cardiology, Hospital of the Government of the City of Buenos Aires "Dr. Cosme Argerich", Ciudad Autónoma de Buenos Aires, Pi y Margall 750, Capital Federal, C1155AHB, Buenos Aires, Argentina.
authors.forename: Martín Hernán
authors.initials: MH
authors.lastname: Medawar
authors.affiliation: Department of Pathology, Hospital of the Government of the City of Buenos Aires "Dr. Cosme Argerich", Ciudad Autónoma de Buenos Aires, Pi y Margall 750, Capital Federal, C1155AHB, Buenos Aires, Argentina.
authors.forename: Andrea
authors.initials: A
authors.lastname: Zappi
authors.affiliation: Department of Cardiology, Hospital of the Government of the City of Buenos Aires "Dr. Cosme Argerich", Ciudad Autónoma de Buenos Aires, Pi y Margall 750, Capital Federal, C1155AHB, Buenos Aires, Argentina.
authors.forename: Roberto Osvaldo
authors.initials: RO
authors.lastname: Neme
mesh_terms: D005260:Female; D006325:Heart Atria; D006338:Heart Neoplasms / Q000175:diagnosis*; D006393:Hemangiopericytoma / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D008875:Middle Aged; D008946:Mitral Valve Stenosis / Q000209:etiology