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Primary yolk sac tumor in the spinal cord
1Department of Neurosurgery, Kochi Medical School, Nankoku-city, Japan. kurisaka@kochi-ms.ac.jp
Summary
A rare primary yolk sac tumor of the spinal cord was identified in a pediatric patient. Despite treatment with irradiation and chemotherapy, the tumor showed poor response, leading to a fatal outcome.
Area of Science:
- Neuro-oncology
- Pediatric Oncology
- Pathology
Background:
- Primary spinal cord tumors are rare in children.
- Yolk sac tumors are germ cell tumors typically found in gonads or midline structures.
- Intramedullary spinal cord yolk sac tumors are exceptionally rare, with limited reported cases.
Observation:
- A 17-month-old girl presented with an intramedullary mass in the upper thoracic spinal cord.
- Preoperative imaging suggested a glioma, but histological examination confirmed a yolk sac tumor.
- No other primary lesions were identified, indicating the spinal cord mass as the primary tumor.
Findings:
- The patient received low-dose irradiation followed by combination chemotherapy (cisplatin, vinblastine, bleomycin).
- The tumor demonstrated a poor response to the administered treatment regimen.
- The patient ultimately succumbed to pyelonephritis with severe electrolyte imbalances.
Implications:
- This case highlights the diagnostic challenge of rare intramedullary spinal cord tumors.
- It underscores the potential for yolk sac tumors to arise primarily within the spinal cord.
- The poor treatment response suggests a need for further research into effective therapeutic strategies for this rare entity.