Cardiovascular ultrasound · 2026
A balloon-like cardiac myxoma mimicking a blood-filled cyst.
СтатьяКлинический случайНазвание и аннотация: Перевод в очереди
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Zhong Xiaofang, Luo Shuyu, Chen Lixin, Liu Yingying
Аннотация
BACKGROUND: Myxoma is the most common benign cardiac tumor. We reported a rare variant of balloon-like cystic cardiac myxoma.
CASE PRESENTATION: A 54-year-old woman presented with exertional dyspnea, chest tightness, and intermittent dizziness. Electrocardiogram and laboratory studies were unremarkable. Transthoracic echocardiography(TTE) revealed a balloon-like cystic mass in the left atrium mimicking a blood-filled cyst. Contrast echocardiography demonstrated a contrast-filled lesion with iso-myocardial enhancement. Transesophageal echocardiography(TEE) identified a distinct arterial inflow at the cyst base and an outflow orifice, which was further confirmed during surgery by the administration of cardioplegic solution. The mass was successfully resected and confirmed a cystic cardiac myxoma.
DISCUSSIONS: Cystic myxoma is a rare variant with only few cases reported. The presented balloon-like variant of myxoma exhibited unique anatomical and hemodynamic features that elucidate its formation mechanism.
CASE PRESENTATION: A 54-year-old woman presented with exertional dyspnea, chest tightness, and intermittent dizziness. Electrocardiogram and laboratory studies were unremarkable. Transthoracic echocardiography(TTE) revealed a balloon-like cystic mass in the left atrium mimicking a blood-filled cyst. Contrast echocardiography demonstrated a contrast-filled lesion with iso-myocardial enhancement. Transesophageal echocardiography(TEE) identified a distinct arterial inflow at the cyst base and an outflow orifice, which was further confirmed during surgery by the administration of cardioplegic solution. The mass was successfully resected and confirmed a cystic cardiac myxoma.
DISCUSSIONS: Cystic myxoma is a rare variant with only few cases reported. The presented balloon-like variant of myxoma exhibited unique anatomical and hemodynamic features that elucidate its formation mechanism.