Rapidly growing immature retroperitoneal teratoma in a neonate

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Abstract

Benign retroperitoneal teratomas are relatively rare tumors that usually progress slowly and are found in newborns and young adults. Here, we report a case in which a prenatally diagnosed retroperitoneal tumor rapidly increased in diameter from 55 mm to 90 mm during the neonatal period. The tumor was removed while preserving the surrounding organs. Moreover, the patient's postoperative course was uneventful. Pathological examination revealed an immature teratoma with no malignant findings. Notably, even benign neonatal teratomas may exhibit rapid growth of their cystic components after birth.

Original languageEnglish
Article number101891
JournalJournal of Pediatric Surgery Case Reports
Volume69
DOIs
Publication statusPublished - 2021 Jun

Keywords

  • Immature teratoma
  • Neonate
  • Rapidly growing tumor
  • Retroperitoneal tumor

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Surgery

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