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Updated: Apr 10, 2026

Teratoma Generation in the Testis Capsule
Published on: November 7, 2011
Sacrococcygeal teratoma: case report
Ricardo Molina Vital1, José Martín de Santiago Valenzuela2, Roberto Carlos de Lira Barraza2
1Facultad de Medicina, Universidad Juárez del Estado de Durango, Durango, México. Address: Clínica Nº46 Gómez Palacio, Durango, México.
Insights
A male newborn with a sacrococcygeal mass, initially suspected as myelomeningocele or cystic hygroma, was diagnosed with sacrococcygeal teratoma after surgical resection. The infant experienced an uneventful recovery.
Area of Science:
- Pediatric Surgery
- Neonatal Oncology
- Developmental Biology
Background:
- Sacrococcygeal teratomas are congenital tumors that can present significant diagnostic and surgical challenges.
- Early detection and accurate diagnosis are crucial for optimal patient outcomes.
Observation:
- A male neonate presented with a large sacrococcygeal mass detected antenatally.
- Initial diagnoses included myelomeningocele and cystic hygroma based on gestational imaging.
- The mass was surgically resected shortly after birth.
Findings:
- Pathologic examination definitively diagnosed the sacrococcygeal mass as a teratoma.
- The surgical resection was performed without immediate complications.
Implications:
- This case highlights the importance of comprehensive evaluation for sacrococcygeal masses in neonates.
- Successful surgical management of sacrococcygeal teratomas can lead to favorable outcomes.
- Further research into the developmental origins of these tumors may improve diagnostic accuracy.
Abstract:
We present a male newborn child with a sacrococcygeal mass who was sent to clinic 46 of the Mexican Social Security Institute located in Gomez Palacio, Durango, Mexico for pediatric/neonatal surgical resolution. The mass was detected on gestation week 24 in the sacrococcygeal area and was initially interpreted as a myelomeningocele. On gestation week 32, the mass had grown, so the diagnosis of cystic hygroma was posed. The child was born at 38 weeks of gestational age with a large tumor in the sacrococcygeal area. Images were obtained, and tumor resection was performed without complications. Pathologic examination confirmed the diagnosis of sacrococcygeal teratoma. The postoperative course was uneventful and there were no further complications.

