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Teratoma in human tail lipoma.
Se-Hyuck Park1, Jee Soon Huh, Ki Hong Cho
1Department of Neurosurgery, Kandong Sacred Heart Hospital, Hallym University, Seoul, Korea.
Pediatric Neurosurgery
|July 5, 2005
Summary
A rare congenital teratoma developed within a lipoma attached to a human tail remnant in a newborn. This case offers insights into the pathogenesis of spina bifida with lumbosacral lipoma.
Area of Science:
- Developmental biology
- Pediatric surgery
- Medical imaging
Background:
- Congenital anomalies involving the human tail remnant are rare.
- Lipomas and teratomas can occur in association with spinal dysraphism.
- Understanding the etiology of these complex conditions is crucial for diagnosis and treatment.
Observation:
- A male newborn presented with a 3-cm pedunculated mass attached to a coccygeal tail remnant.
- Magnetic resonance imaging revealed sacral spinal bifida, neural roots extending into the mass, and a lipoma/teratoma.
- Intraoperative findings included nerve roots from the filum terminale within the mass.
Findings:
- Pathologic examination confirmed a lipoma with areas of abnormal respiratory epithelium and squamous cell metaplasia.
- The mass contained both lipomatous tissue and teratomatous elements.
- Abnormal differentiation of respiratory epithelium was noted along the mass's open margin.
Implications:
- This case supports the hypothesis of transient teratomatous cells in the pathogenesis of spina bifida with lumbosacral lipoma.
- It highlights the importance of thorough evaluation of congenital tail anomalies.
- Further research into the developmental origins of these combined anomalies is warranted.