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  • Title: Recurrence in medulloblastoma - influence of clinical, histological and immunohistochemical factors.
    Author: Srikantha U, Balasubramaniam A, Santosh V, Somanna S, Bhagavatula ID, Ashwathnarayana CB.
    Journal: Br J Neurosurg; 2010 Jun; 24(3):280-8. PubMed ID: 20465457.
    Abstract:
    INTRODUCTION: The therapy for medulloblastomas has gone through several changes over the years. Research has shown that patients with medulloblastoma cannot be satisfactorily stratified into risk groups based on clinical and therapeutic factors alone. AIM: To study the clinical, histological features and expression of immunohistochemical markers in medulloblastoma, and to correlate these features with recurrence rates. MATERIALS AND METHODS: Sixty-three cases of medulloblastomas operated at our institute from 1996-2003 were selected and retrospectively analyzed for therapy received, histological features and immunohistochemical expression of GFAP, synaptophysin, erb B2, p53, Bcl-2 and Trk-C along with assessment of MIB-1 labeling index(LI). RESULTS: The mean age of the 63 cases at presentation was 11.6 yrs. Near/Gross- total resection was achieved in 74.6% (47/63) of the cases. CONCLUSION: We propose a clinical-histological-immunohistochemical' model for medulloblastoma where extent of resection, administration of chemotherapy, presence of gross anaplasia and c-erb B2 overexpression status are the most important predictors of recurrence rates.
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