Intrapericardial immature teratoma with pericardial effusion in a 4-month-old boy

Teizaburo Mori, Kazue Miyake, Yumi Kudo, Takuro Fujita, Mai Kutsukake, Yohei Yamada, Kazunori Tahara, Akihiro Fujino, Ryoichi Kondo, Yukihiro Kaneko, Yuki Saito, Keita Terashima, Kimikazu Matsumoto, Takako Yoshioka, Yutaka Kanamori

Research output: Contribution to journalArticlepeer-review

Abstract

Intrapericardial teratoma is an extremely rare mediastinal teratoma that arises at the junction of the ascending aorta and right atrial appendage. The teratoma is often complicated by massive pericardial effusion that compresses the heart and lungs, leading to heart failure and/or respiratory distress and potentially fatal outcomes in early infants. A 4-month-old boy was referred to our institute with slowly progressive appetite loss and respiratory distress and was diagnosed with intrapericardial teratoma with pericardial effusion. The patient underwent simultaneous surgical drainage of the pericardial effusion and tumor resection. The tumor was pathologically diagnosed as an immature teratoma. The postoperative course was uneventful. He is now being followed up in the outpatient clinic and shows no clinical or radiological signs of recurrence.

Original languageEnglish
Article number101658
JournalJournal of Pediatric Surgery Case Reports
Volume63
DOIs
Publication statusPublished - 2020 Dec

Keywords

  • Immature teratoma
  • Intrapericardial teratoma
  • Pericardial effusion

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Surgery

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