Caseous mitral annulus calcification mimicking a cardiac tumor Henda Nèji a,b,c, Emna Bennour b,d, , Ines Baccouche a,c, Salma Kechaou a,c, Ikram Kammoun b,d, Meriem Affes a,b,cSaoussen Hantous-Zannad a,b,ca: Imaging Department, Abderrahmen Mami Hospital, Ariana – Tunisiab: Faculty of Medicine of Tunis, University Tunis El Manar, Tunisiac: Cardio-thoracic imaging Research Laboratoryd: Cardiology Department