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[Adult endocardial blood cyst; report of a case]

Yuka Okubo1, Kenji Aoki, Osamu Namura

  • 1Division of Thoracic and Cardiovascular Surgery, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan.

Kyobu Geka. the Japanese Journal of Thoracic Surgery
|August 20, 2014
PubMed

Insights

This report details a rare endocardial blood cyst (EBC) found incidentally in an adult patient. Surgical excision confirmed the diagnosis, with the patient experiencing an uneventful recovery.

Area of Science:

  • Cardiology
  • Pathology
  • Surgical Oncology

Background:

  • Endocardial blood cysts (EBCs) are rare cardiac tumors, often asymptomatic.
  • This case highlights the incidental detection of an EBC in an adult patient.

Observation:

  • A 63-year-old woman presented with an incidentally detected 30-mm right atrial mass.
  • Imaging revealed a round mass with specific echogenic and calcification characteristics, initially suspected as myxoma.

Findings:

  • Preoperative imaging (echocardiography, CT, MRI) suggested myxoma.
  • Histopathological examination confirmed the mass as an endocardial blood cyst, not a tumor.
  • The cyst was filled with blood and lined with endocardial cells.

Implications:

  • This case expands the differential diagnosis for cardiac masses, particularly in adults.
  • Accurate preoperative diagnosis is crucial for appropriate management of suspected cardiac tumors.
  • Successful surgical excision of EBCs leads to favorable patient outcomes.

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