Medulloblastoma metastatic to the suprasellar region at diagnosis: A report of six cases with clinicopathologic correlation

Kathleen J. Helton, Amar Gajjar, D. Ashley Hill, Fredrick A. Boop, Larry E. Kun, James W. Langston

Research output: Contribution to journalArticlepeer-review

20 Scopus citations


The presence of metastatic disease in patients newly diagnosed with medulloblastoma remains one of the most important prognostic factors that determines event-free survival. In the present study, anatomic distribution and the signal characteristics and enhancement patterns of subtle anterior third ventricular recess metastases were compared with those of the original tumor; medical records were reviewed for clinical presentation, surgical stage, treatment and long-term outcomes. All foci were clinically occult; 5 out of 6 had negative cerebrospinal fluid cytology, and in 4 out of 6, the only evidence of metastatic disease was documented suprasellar disease that resolved or significantly improved following irradiation and chemotherapy. Histologically, 3 of the 6 patients had tumors with large cell/anaplastic features, a significant increase compared to the expected incidence of 4-8.8%. Patients with tumors that show large cell/anaplastic features may be at higher risk for early metastatic involvement of this unusual site.

Original languageEnglish (US)
Pages (from-to)111-117
Number of pages7
JournalPediatric Neurosurgery
Issue number3
StatePublished - 2002


  • Anaplasia
  • Anterior recess third ventricle
  • Desmoplastic medulloblastoma
  • Medulloblastoma
  • Metastatic disease
  • Metastatic medulloblastoma to the suprasellar region
  • Primitive neuroectodermal tumor

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Surgery
  • Clinical Neurology


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