Pseudoaneurysm of the Right Coronary Artery Masquerading as a Right Atrial Mass

A 63-year-old man under concomitant antibiotic therapy for persistent bronchitis was referred from his general practitioner for progressive dyspnea and associated chest pain. Inflammatory parameters were elevated. Serial cardiac marker enzyme levels, including Troponin I, were within normal values. Thoracic CT-angiogram and echocardiogram showed a 3 cm hyperdense mass in the right atrioventricular groove with focal subepicardial expansion along the lateral atrial wall

Steven D Hajdu and Salah D Qanadli