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  • Title: [A clinical analysis of patients with primary intracranial germinomas: the relationship between proliferative potential and recurrence].
    Author: Kunishio K, Matsumoto K, Furuta T, Ohmoto T.
    Journal: No Shinkei Geka; 1999 Feb; 27(2):127-32. PubMed ID: 10065444.
    Abstract:
    We analyzed clinically 30 germinomas (22 pure germinomas and 8 germinomas with syncytiotrophoblastic giant cell (STGC) and also investigated the proliferative potential of 18 germinomas immunohistochemically using MIB-1 monoclonal antibody in formalin-fixed paraffin-embedded sections. The majority of patients responded favorably and completely to the treatment. Seven patients (four had germinomas with STGC and the other three had pure germinomas) suffered recurrence after a complete response to radiotherapy and/or chemotherapy. The patients with germinomas with STGC experienced recurrence significantly more often than those with pure germinomas (P < 0.01). Three of the patients died. The MIB-1 indexes of the germinomas ranged from 18% to 80%. The average MIB-1 index of pure germinomas is 58.5 +/- 17.3%, that of germinomas with STGC is 45.3 +/- 17.1%. There was no significant difference between the two groups. The MIB-1 indexes of 3 recurrent cases were 64.3%, 51.9%, and 20.8%, respectively. There were no significant differences in the MIB-1 indexes between nonrecurrent cases and recurrent ones.
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