case_images: PMC2815824_01
case_images: Initial chest X-ray showing cardiomegaly.
case_images: ymj-46-439-g001.jpg
case_images: PMC2815824_01_ymj-46-439-g001.jpg
case_images: F1
case_images: A 43-year-old woman was referred to our hospital for cardiomegaly on chest X-ray (Fig. 1).
case_images: Echocardiography showing a large amount of pericardial effusion.
case_images: ymj-46-439-g002.jpg
case_images: PMC2815824_01_ymj-46-439-g002.jpg
case_images: F2
case_images: However, echocardiography one month later revealed a large amount of pericardial effusion without evidence of hemodynamic compromise (Fig. 2), and she was readmitted to our hospital for further evaluation.
case_images: Pericardial fluid showing its milky-yellowish appearance.
case_images: ymj-46-439-g003.jpg
case_images: PMC2815824_01_ymj-46-439-g003.jpg
case_images: F3
case_images: Repeated pericardiocentesis was performed, and an immediate gushing out of 700 mL of a milky-yellowish fluid ensued (Fig. 3).
case_images: Neck sonography showing 1.9 cm sized multilocular, compressible cystic lesion between the sternocleidomastoid muscle and the internal jugular vein of the left neck.
case_images: ymj-46-439-g004.jpg
case_images: PMC2815824_01_ymj-46-439-g004.jpg
case_images: F4
case_images: These findings were compatible with cystic hygroma (Fig. 4).
case_images: Six months follow-up chest X-ray showing nearly normal size of heart.
case_images: ymj-46-439-g005.jpg
case_images: PMC2815824_01_ymj-46-439-g005.jpg
case_images: F5
case_images: She remained totally asymptomatic without interval changes of heart size on chest X-ray (Fig. 5) or clinical signs of cardiac tamponade at the 6 month follow-up.