Medulloblastoma associated with malignant rhabdoid tumor of the kidney: case report
Related Experiment Video
Updated: Sep 2, 2026
Intracranial Orthotopic Allografting of Medulloblastoma Cells in Immunocompromised Mice
Published on: October 3, 2010
K Watanabe1, S Wakai, N Kumakura
1Department of Neurosurgery, Dokkyo University School of Medicine.
Insights
This case study highlights a rare association between cerebellar medulloblastoma and malignant rhabdoid tumor of the kidney in an infant. Despite surgical intervention and chemotherapy, the patient experienced tumor recurrence and succumbed to the disease.
Area of Science:
- Pediatric Oncology
- Neuro-oncology
- Nephrology
Background:
- Malignant rhabdoid tumors (MRTs) are rare and aggressive neoplasms.
- Medulloblastoma is the most common malignant brain tumor in children.
- The co-occurrence of these two distinct tumors is exceptionally rare.
Observation:
- A 6-month-old boy presented with symptoms suggestive of increased intracranial pressure and an abdominal mass.
- Diagnostic workup revealed cerebellar medulloblastoma and a malignant rhabdoid tumor of the kidney.
- Surgical resection of both tumors was performed, followed by chemotherapy.
Findings:
- The patient experienced a temporary recovery but ultimately succumbed to tumor recurrence.
- This case underscores the aggressive nature of both malignancies.
- Review of similar cases suggests potential shared oncogenic pathways or paraneoplastic phenomena.
Implications:
- Further research is needed to understand the potential link between renal and cerebellar malignancies.
- Early diagnosis and aggressive multimodal treatment are crucial for improving outcomes in pediatric patients with rare tumor associations.
- This case contributes to the limited literature on combined malignant rhabdoid tumor of the kidney and medulloblastoma.
Abstract:
The authors report a case of 6-month-old boy with cerebellar medulloblastoma associated with malignant rhabdoid tumor of the kidney, presenting with an abdominal mass, large head and projectile vomiting. Following removal of the renal tumor, the mass arising from the superior vermis about 6 cm in diameter was removed by a combined right occipital transtentorial and suboccipital approach. The patient had been well for 3 months after surgery followed by chemotherapy but died eventually of tumor recurrence in the abdomen. Reported cases of malignant rhabdoid tumor of the kidney associated with brain tumor are reviewed and its characteristics are discussed.
