Buy Incidence Of Brain Metastases In Children

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1. Which one of the following lists of primary
brain tumors in children is from most common to LEAST common (all age groups
combined)?
a. Astrocytoma, craniopharyngioma, medulloblastoma, ependymoma, germ cell
tumors
b. Astrocytoma, medulloblastoma, craniopharyngioma, ependymoma, germ cell
tumors
c. Ependymoma, astrocytoma, medulloblastoma, craniopharyngioma, germ cell
tumors
d. Medulloblastoma, astrocytoma, craniopharyngioma, ependymoma, germ cell
tumors
e. Medulloblastoma, craniopharyngioma,
ependymoma, astrocytoma, germ cell
tumors
2. Which one of the following is associated with
the highest incidence of brain metastases in
children?
a. Neuroblastoma
b. Sarcoma
c. Wilms tumor
d. Leukemia
e. Lymphoma
3. Which one of the following statements
regarding posterior fossa tumors in children
is LEAST accurate?
a. Pilocytic astrocytomas account for 35% of
posterior fossa tumors in children
b. Medulloblastoma account for 30% of posterior fossa tumors in children
c. Ependymomas account for 20-30% of
posterior fossa tumors in children
d. Brainstem gliomas account for 10-20% of
posterior fossa tumors in children
e. Hemangioblastomas account for 10% of
posterior fossa tumors in children
Buy Incidence Of Brain Metastases In Children
4. A 17-year-old boy patient presents with left
arm clumsiness. MRI is shown. Which one
of the following is most likely?
a. Hemangioblastoma
b. Medulloblastoma
c. Neuroblastoma metastasis
d. Pilocytic astrocytoma
e. Vestibular schwannoma
5. A 5-year-old with features of NF-1 presents
with visual disturbance. T1 postcontrast
MRI is shown. Which one of the following
statements regarding management of these
lesions is most accurate?
a. Surgical decompression is prophylactic to
save bilateral vision
b. Chemotherapy is second line management in children under 9 years old
c. Biopsy should only be performed if there
are features of NF-1
d. Somatostatin has been shown to improve
outcome
e. Cranial irradiation is contraindicated in
this case
6. A 16-year-old male patient who previously
underwent excision of a right temporooccipital lesion 7 years previously, with good
control of seizures since, presents with
increased frequency of tonic-clonic seizures
and headaches. Neurological examination
was unremarkable. MRI is shown. Which
one of the following is most likely?
a. Diffuse astrocytoma
b. DNET
c. GBM
d. Pilocytic astrocytoma
e. Pleomorphic xanthoastrocytoma
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