Patterns of tumor recurrence in adult and childhood pilocytic astrocytomas: a clinico-pathological follow-up series over 10 years

S. Sarikaya-Seiwert, J. Felsberg, M. Messing-Jünger, D. Hänggi & H.-J. Steiger
Objective: Pilocytic astrocytomas are typical tumors of infancy but also occur in adulthood. According to WHO, they are classified as grade I tumors. In recurrent tumors, however, dedifferentiation can be observed. The goal of the present retrospective study was to determine differences of tumor histology[for full text, please go to the a.m. URL]