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Treatment of Mature and Immature Teratomas in Children

Source: Childhood Extracranial Germ Cell Tumors Treatment (PDQ®)–Health Professional Version, National Cancer Institute.

Source updated: November 5, 2024 · Captured 2026-09-09.

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Mature and immature teratomas arise primarily in the sacrococcygeal region of neonates and young children and in the ovaries of pubescent girls. Less commonly, these tumors are found in the testicular region of boys younger than 4 years, the mediastinum of adolescents, and other sites.[1-3] The primary treatment for teratomas is surgery with complete resection. Surgical options for sacrococcygeal teratomas are complex.

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Benign head and neck teratomas and immature teratomas can cause morbidity and mortality through obstruction. In preterm infants and neonates, head and neck teratomas and immature teratomas can cause significant airway compromise. In a single-institutional report, airway obstruction was overcome by using the ex utero intrapartum treatment (EXIT) procedure.[4] Complete resection of a teratoma can be achieved.

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