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Published on: February 8, 2022
Spontaneous Round-Shaped Left Atrial Hematoma
Keisuke Kawaida1, Yukinori Moriyama1, Yoshihiro Fukumoto1
1Division of Cardiovascular Surgery, National Hospital Organization, Kagoshima Medical Center, Kagoshima, Japan.
Spontaneously occurring left atrial hematomas are very rare and most of them followed acute clinical course due to hemodynamic deterioration. We presented a case of gradually developing hematoma protruding into the left atrial cavity as a round mass, which was completely encapsulated with intact endocardial wall. Emergency surgery was successfully performed. Histopathological study demonstrated subendocardial-aged hematoma with papillary endothelial hyperplasia.
Spontaneously occurring left atrial hematomas are very rare and most of them followed acute clinical course due to hemodynamic deterioration. We presented a case of gradually developing hematoma protruding into the left atrial cavity as a round mass, which was completely encapsulated with intact endocardial wall. Emergency surgery was successfully performed. Histopathological study demonstrated subendocardial-aged hematoma with papillary endothelial hyperplasia.
