• prognosis
  • The aggressiveness (grade) of your astrocytoma determines your prognosis and treatment options. (mayoclinic.org)
  • Low-grade astrocytomas are a heterogeneous group of intrinsic central nervous system (CNS) neoplasms that share certain similarities in their clinical presentation, radiologic appearance, prognosis, and treatment. (medscape.com)
  • Radionuclide
  • Computed tomography (CT) and magnetic resonance imaging (MRI) are also highly instrumental in diagnosing astrocytomas, as is radionuclide imaging, which may show an area of increased activity at the tumor site. (petmd.com)
  • diencephalic
  • In infants and young children, low-grade astrocytomas presenting in the hypothalamus may result in diencephalic syndrome, which is manifested by failure to thrive in an emaciated, seemingly euphoric child. (oncolink.org)
  • Most optic pathway and diencephalic astrocytomas cause visual complaints, but up to one third present with the "diencephalic syndrome," consisting of a "happy" personality and severe emaciation despite normal food intake, linear growth, and developmental milestones. (neurologyadvisor.com)
  • Optic pathway and diencephalic astrocytomas are frequently associated with neurofibromatosis type I (NF1). (neurologyadvisor.com)