Giant Type II Sacrococcygeal Teratoma in a Neonate: A Case Report

Sacrococcygeal teratomas (SCTs) represent the most frequent congenital tumors in the neonate, and their clinical presentation depends on their size and anatomic extension.Large tumors can present significant diagnostic and therapeutic challenges.We report the case of a female neonate born at 35 weeks of gestation, admitted on day 1 of life for a giant sacrococcygeal mass.Clinical examination revealed a voluminous lesion in both gluteal regions.Magnetic resonance imaging (MRI) demonstrated a large mass with both cystic and solid components, extending into the pelvic cavity, consistent with a type II sacrococcygeal tumor according to the Altman classification.Surgical excision was performed in the neonatal period.Histopathological examination confirmed a high-grade immature sacrococcygeal teratoma with close surgical margins.The postoperative course was clinically favorable with good tolerance to oral feeding.Giant sacrococcygeal teratomas remain rare but potentially severe conditions requiring early diagnosis, accurate imaging assessment, and complete surgical excision.Histopathological analysis plays a key role in determining prognosis and guiding further management.