Alston Brain Tumors: Cell Types, Grading, and Staging

Which type of brain tumor is characterized by primitive, undifferentiated cells and tends to spread via the cerebrospinal fluid?

Which brain tumor type is commonly associated with a deletion on Chromosome 22 and is often seen in patients with Neurofibromatosis type 2 (NF2)?

Which type of brain tumor arises from outside the brain through hematogenous spread or direct invasion, often presenting as multiple lesions at the grey-white junction?

Which immunohistochemical markers are commonly positive in B-cell CNS Lymphomas?

Which brain tumor type is characterized by nests and whorls of cells, often attached to the dura, and has a tendency to compress the underlying brain?

Which brain tumor type is commonly found in the cerebellopontine angle, shows areas of varying density known as Antoni A and B, and is S100 positive?

What is the most common primary brain tumor?

Which of the following is NOT a symptom commonly associated with brain tumors?

What is a characteristic feature of NF2?

Where is the most common location for primary brain tumors in children?

What is the main characteristic of Von Hippel-Lindau syndrome?

Which type of tumor is commonly associated with the presence of cafe-au-lait spots and neurofibromas?

Which type of brain tumor is often GFAP positive?

What is a common characteristic of pilocytic brain tumors?

Which genetic abnormality is associated with sensitivity to chemotherapy in brain tumors?

Where do ependymomas commonly arise in the brain?

Which type of brain tumor is characterized by 'fried egg' morphology and calcifications?

Which type of brain tumor is aggressive and presents as a small, blue-cell tumor?

Which genetic abnormalities are associated with sensitivity to chemotherapy in brain tumors?

Where do primary brain tumors commonly infiltrate into the surrounding brain?

Which syndrome is characterized by cafe-au-lait spots and neurofibromas, and is commonly associated with specific brain tumor types?

Which brain tumor type is characterized by perivascular rosettes and ependymal rosettes in its morphology?

What is a common symptom associated with ganglion cell tumors in the brain?

Which genetic abnormality is commonly associated with meningiomas and often seen in patients with Neurofibromatosis type 2?

Which primary brain tumor type is most likely to metastasize to the CNS via hematogenous spread?

What is a classic feature of meningiomas when observed under histopathology?

Which symptom is commonly associated with brain tumors that arise from outside the brain through hematogenous spread or direct invasion?

What is a common characteristic shared by most metastases to the brain?

Which characteristic best describes phakomatoses?

Which primary brain tumor is most commonly found in children in the brainstem and thalamus?

What is a key feature that distinguishes primary brain tumors in adults from those in children?

Which tumor type is characterized by 'fried egg' morphology and calcifications?

What distinguishes Von Hippel-Lindau syndrome from other phakomatoses?

Which brain tumor type is commonly associated with a deletion on Chromosome 22 and is often seen in patients with Neurofibromatosis type 2 (NF2)?

What is a common genetic factor observed in multiple meningiomas in patients with Neurofibromatosis type 2?

Which brain tumor is known for arising from outside the brain via hematogenous spread or direct invasion, often presenting as multiple lesions frequently at the grey-white junction?

Which primary brain tumor is characterized by primitive, undifferentiated cells and tends to spread via the cerebrospinal fluid?

In which type of brain tumor do the B-cell immunohistochemical markers CD20 and CD19 show positivity?

Which feature distinguishes astrocytoma from gliosis?

What is a distinguishing feature of Grade IV/IV astrocytomas compared to Grade II/IV astrocytomas?

What genetic factor is commonly associated with astrocytomas?

Which statement best describes the survival rate of individuals with astrocytomas?

What symptoms are commonly associated with astrocytomas?

Which immunostain would highlight the glial component in a ganglioglioma?

What is a common feature of cerebral neurocytomas that helps differentiate them from other brain tumors?

Which characteristic is not typically associated with ganglion cell tumors in the brain?

In gangliocytomas, what is a distinguishing feature compared to other ganglion cell tumors?

Which brain tumor type is most likely to show similar features to medulloblastoma but is typically located in the cerebral hemispheres?

What is the most significant factor that determines the highest grade in Glioblastoma (GBM) according to the text?

Which genetic abnormality is common in primary GBM and involves amplification of EGFR and loss of Chromosome 10?

What common changes in tumor suppressor genes are associated with the transition to higher grade astrocytomas and glioblastomas?

Which type of brain tumor progression involves tumors that evolve from astrocytomas to anaplastic astrocytomas to glioblastomas?

What is a diagnostic feature associated with the highest grade in Glioblastoma (GBM)?

Which genetic factor is common in lower grade lesions and secondary GBM but not in primary GBM?

What characteristic is associated with higher grade brain tumors in terms of pleomorphism?