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Right atrial myxoma with hypervascularity demonstrated by selective coronary angiography
K Yamamoto1, S Bando, A Shinohara
12nd Department of Internal Medicine, School of Medicine, University of Tokushima, Japan.
Insights
Right atrial myxoma, a rare cardiac tumor, can present as fever of unknown origin. This case highlights successful surgical removal of a large right atrial myxoma.
Area of Science:
- Cardiology
- Oncology
Background:
- Cardiac myxomas are the most frequent primary cardiac tumors.
- Right atrial myxomas are exceptionally rare, posing diagnostic challenges.
Observation:
- A 71-year-old male presented with fever of unknown origin.
- Diagnostic imaging, including echocardiography, cineangiocardiography, and venacavogram, revealed a large mass in the right atrial cavity.
Findings:
- Coronary angiogram identified the feeding artery originating from the left circumflex artery with hypervascularity.
- Surgical resection successfully removed a 4.9 x 4.0 x 3.8 cm tumor.
- Pathological examination confirmed the diagnosis of myxoma.
Implications:
- This case underscores the importance of considering rare cardiac tumors in the differential diagnosis of unexplained fever.
- Successful surgical intervention for right atrial myxoma can lead to favorable patient outcomes.
Abstract:
Cardiac myxoma is the commonest primary cardiac tumor, however, the incidence of right atrial myxoma is very rare. We reported a 71-year-old man with a right atrial myxoma, whose main complaint was fever of unknown origin. Definite diagnosis was confirmed by echocardiography and cineangiocardiography. Venacavogram revealed huge mass which occupied greater part of right atrial cavity. Coronary angiogram revealed the feeding artery arising from left coronary circumflex artery and the sign of hypervascularity. Open heart surgery was performed, and a 4.9 x 4.0 x 3.8 cm tumor was found in the right atrial cavity. Pathological examination showed the findings of myxoma. Postoperative clinical course was uneventful.