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A 55-year-old woman presented to us with complaints of exertional dyspnoea and fatigue of 1 month duration. Transoesophageal echocardiography (figure 1A) showed a 12×4 cm mobile, pedunculated mass in the left atrium. During preoperative coronary angiography, the tumour was visualised as an ‘oscillating blush’ through a leash of small vessels, supplied by an atrial branch of the left circumflex coronary artery (figure 1B, see online supplementary movie I). Levophase of the pulmonary artery injection (using 30 ml Iopamol, 15 ml/s, 6F Pigtail) demonstrated a negative contrast, the ‘shadow’ of the mass in the left atrium, which prolapsed into the left ventricle during each diastole (figure 1C, see online supplementary videos 2 and 3). The mass was surgically excised. Histopathology examination confirmed the diagnosis.
Contributors: BK made substantial contributions to conception and design, acquisition of data or analysis and interpretation of data. KTS was responsible for drafting the article or revising it critically for important intellectual content. MNK was responsible for final approval of the version to be published.
Competing interests: None.
Patient consent: Obtained.
Provenance and peer review: Not commissioned; internally peer reviewed.