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Intracranial Orthotopic Allografting of Medulloblastoma Cells in Immunocompromised Mice
Published on: October 3, 2010
Extraneural metastatic medulloblastoma in an adult
Merideth M Wendland1, Dennis C Shrieve, Gordon A Watson
1Department of Radiation Oncology, Huntsman Cancer Hospital, University of Utah, Salt Lake City, UT 84112, USA. Merideth.Wendland@hci.utah.edu
Abstract:
Medulloblastoma is a rare malignancy in adults, accounting for approximately 1% of all primary brain tumors. Extraneural metastases have been reported in 10-30% of cases and most commonly involve bone; rarely lymph nodes, visceral organs and bone marrow may be involved with disease. We report here our experience with a 26 year-old woman with medulloblastoma treated with gross total resection followed by radiation therapy to her craniospinal axis. She subsequently developed widespread metastatic disease involving bone exclusive of the calvarium and spine for which multi-agent salvage chemotherapy was utilized with initial good clinical response. She later relapsed within the lymph nodes and soft tissues of the pelvis and eventually suffered a local recurrence within the posterior fossa. The treatment of medulloblastoma, particularly salvage therapy following disease recurrence, is reviewed.
Insights
Medulloblastoma is a rare adult brain tumor. This case highlights extensive extraneural metastases and treatment challenges, emphasizing the need for effective salvage therapies.
Area of Science:
- Neuro-oncology
- Adult brain tumors
- Cancer metastasis
Background:
- Medulloblastoma is a rare primary brain tumor in adults, constituting ~1% of cases.
- Extraneural metastases occur in 10-30% of medulloblastoma patients, frequently involving bone.
Observation:
- A 26-year-old woman with medulloblastoma developed widespread bone metastases after standard treatment.
- Salvage chemotherapy showed initial response, but relapse occurred in lymph nodes, soft tissues, and the posterior fossa.
Findings:
- The case illustrates the aggressive metastatic potential of adult medulloblastoma.
- Recurrence involved diverse sites, including extraneural locations and local brain regions.
Implications:
- This case underscores the complexity of treating recurrent medulloblastoma in adults.
- Effective salvage strategies are crucial for managing advanced disease and improving patient outcomes.
