Primary Cardiac Osteosarcoma in Right Ventricular Outflow Tract

Abstract

A 30-year-old woman was referred to our clinic because of shortness of breath and general fatigue. She had been well until 2 months earlier, when she noticed mild shortness of breath during and after exercise. Physical examination revealed a systolic heart murmur at the left parasternal area. Transthoracic echocardiography demonstrated an abnormal mass located just proximal to the pulmonary valve occupying the right ventricular outflow tract (Figure 1⇓, top left). …