1. Amato VG, Arienta C, Sparacio F (1999) Dorsally exophytic brain stem tumors: total removal of a medullary pilocytic astrocytoma in child. Clinicopathological considerations and case report. J Neurosurg Sci 43: 299–304
2. Arita K, Kurisu K, Sugiyama K, Itoh Y, Hotta T, Sogabe T, Uozumi T (2003) Long-term results of conventional treatment of diencep halicpilocytic astrocytoma in infants. Childs Nerv Syst 19: 145–151
3. Barea D, Richez P, Gueguen E, Clavel G, Grisoli F, Briant JF (1999) [Pilocytic astrocytom a of the conus medullaris]. J Radiol 80: 736–738
4. Bernaerts A, Vanhocnacker F, Debois V, Parizel PM (2003) Juvenile pilocytic astrocytoma. Jbr-Btr 86: 142–143
5. Boethius J, Ulfarsson E, Rahn T, Lippitz B (2002) Gamma knife radiosurgery for pilocytic astrocytomas. J Neurosurg 97: 677–680