High-Dose Thiotepa Plus Peripheral Stem Cell Transplantation in Treating Patients With Refractory Solid Tumors

brain and central nervous system tumors, childhood germ cell tumor, extragonadal germ cell tumor, ovarian cancer, retinoblastoma, testicular germ cell tumor, unspecified adult solid tumor, protocol specific, unspecified childhood solid tumor, protocol specific, intraocular retinoblastoma, recurrent retinoblastoma, childhood central nervous system germ cell tumor, stage iii malignant testicular germ cell tumor