PMID: 11904022Mar 21, 2002Paper

Delayed surgical resection of central nervous system germ cell tumors

Neurosurgery
Howard L WeinerJonathan L Finlay

Abstract

To determine the value of delayed surgical resection in patients with central nervous system germ cell tumors who exhibit less than complete radiographic response despite declining serum and cerebrospinal fluid (CSF) tumor markers after initial chemotherapy. We retrospectively analyzed 126 patients enrolled on two international multicenter clinical trials (the First and Second International Central Nervous System Germ Cell Tumor Studies) for patients with newly diagnosed central nervous system germ cell tumors. After at least three cycles of chemotherapy, 10 of these patients underwent delayed surgical resection owing to evidence of residual radiographic abnormalities despite declining or completely normalized serum and CSF levels of alpha-fetoprotein and human chorionic gonadotropin. Eight of these patients demonstrated nongerminomatous germ cell tumor elements at the time of initial diagnosis. In these patients, either serum or CSF tumor markers were elevated initially. Two patients demonstrated pure germinomas with normal levels of serum and CSF tumor markers. After chemotherapy, radiographic evaluation revealed a partial response in seven patients, a minor response in one patient, and stable disease in two patients. All 10 ...Continue Reading

Citations

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