Atrial myxoma is the most common primary cardiac tumour.

Overview

• 75% occur in left atrium, most commonly attached to the fossa ovalis
• more common in females

Features

• systemic: dyspnoea, fatigue, weight loss, pyrexia of unknown origin, clubbing
• emboli
• atrial fibrillation
• mid-diastolic murmur, 'tumour plop'
• echo: pedunculated heterogeneous mass typically attached to the fossa ovalis region of the interatrial septum