Neuro I & II Flashcards
How would a chronic subdural hematoma appear on CT scans?
A. Well-defined and hyperdense compared with normal
adjacent brain
B. Isodense with normal brain
C. Well-defined and hypodense in comparison with
normal adjacent brain
D. Hypodense with production of widening of the
cortical sulci
C. Well-defined and hypodense in comparison with normal
adjacent brain
What is the most common primary intracranial CNS tumor?
A. Meningioma
B. Glioblastoma multiform
C. Anaplastic astrocytoma
D. Low-grade astrocytoma
B. Glioblastoma multiform
Stroke is also known as….
A. ischemic cerebrovascular disease
B. ischemic cerebellar disease
C. cardiovascular arthrosis
D. no correct answer listed
A. ischemic cerebrovascular disease
Which one of the following imaging techniques is considered superior in the evaluation of musculoskeletal tumors arising in soft tissues?
A. Radiographs
B. DxUS
C. CT
D. MRI
D. MRI
Which of the following is FALSE concerning dermoid cysts?
A. Intracranially, these tumors are more common than
epidermoid cysts.
B. Clinically, they usually present in the third decade of
life.
C. Dermoid cysts typically demonstrate marked
hyperintensity on short TR/TE images and
hypointensity on long TE images.
D. The cysts may rupture.
A. Intracranially, these tumors are more common than epidermoid cysts.
Choose the correct statement regarding multiple sclerosis
A. most commonly found in developing countries
B. involves spinal cord plaques
C. does not have any significant imaging findings
D. no correct answer listed
B. involves spinal cord plaques
Hormone(s) secreted by the posterior pituitary include
A. prolactin
B. antidiuretic hormone
C. growth hormone
D. follicle stimulating hormone
B. antidiuretic hormone
What is the most common posterior fossa tumor in children?
A. Cerebellar astrocytoma
B. PNET-MB
C. Ependymoma
D. Brainstem glioma
A. Cerebellar astrocytoma
The presence of an “empty thecal sac” appearance on axial sequences of the lumbar spine with epidural scars is characteristic for which of the following conditions?
A. Spinal dysraphism
B. Intradural intramedullary lesion
C. Arachnoiditis
D. Arachnoid cyst
C. Arachnoiditis
The most common location for a conjoined nerve root is …
A. L3-L4
B. L4-L5
C. L5-S1
D. S1-S2
C. L5-S1
Choose the correct statement regarding epidural hematomas
A. biconvex on CT imaging
B. between dura and arachnoid
C. most commonly found infratentorially
D. 2 of the above
A. biconvex on CT imaging
An absent suptum pellucidum is associated with:
A. anosmia
B. holoprosencephaly
C. corpus callosum dysgenesis
D. B and C
D. B and C
The pineal gland lies in the midline, and a displacement of______ abnormal and is most commonly due to____.
A. 2-mm; mass effect
B. 3-mm; mass effect
C. 2-mm; atrophy
D. 3-mm; atrophy
B. 3-mm; mass effect
What is the most common location of supratentorial pilocytic or low-grade astrocytoma in children?
A. Cerebral hemisphere
B. Choroid plexus
C. Opticochiasmic-hypothalamic area
D. Pineal region
C. Opticochiasmic-hypothalamic area
Which of the following is the most common site for intracranial saccular aneurysms?
A. Basilar artery bifurcation
B. Middle cerebral artery bifurcation
C. Anterior communicating artery
D. Posterior inferior cerebellar artery
C. Anterior communicating artery
This is the most common location for chordomas in children and young adults.
A. Mandible
B. Spinal
C. Spheno-occipital
D. Sacrococcygeal
C. Spheno-occipital
These are osseous structures that arise from independent ossification centers within cranial bones and are surrounded by their own sutures.
A. Sutural bone
B. Fonticular bone
C. Wormian bone
D. Intercalary bone
C. Wormian bone
What is the most common source of infectious agents which hematogenously disseminate to the brain?
A. Paranasal sinus
B. Liver
C. Lung
D. Kidney
C. Lung
What is the most common location for diffuse axonal injuries?
A. Midbrain
B. Deep white matter within the temporal lobe
C. Corticomedullary junction within the frontotemporal
region
D. Corticomedullary junction within the parietal region
C. Corticomedullary junction within the frontotemporal region
The correct order of the development of the corpus callosum is
A. rostrum, genu, body, splenium
B. genu, body, splenium, rostrum
C. rostrum, body, splenium, genu
D. none of the above
B. genu, body, splenium, rostrum
Choose the false statement
A. The mesencephalon develops into the pons and
cerebellum
B. The third and fourth cranial nerves orginate in the
midbrain
C. The tectum and tegmentum are separated by the
cerebral aqueduct
D. The thalamus is found on either side of the third
ventricle
A. The mesencephalon develops into the pons and cerebellum
Which is the correct association with neurofibromatiosis type 2.
A. chromosome 12
B. chromosome 17
C. chromosome 19
D. chromosome 22
D. chromosome 22
The classic plain film finding in cytomegalovirus is…
A. Microcephaly with egg-shell-like periventricular
calcification
B. Macrocephaly with egg-shell-like periventricular
calcification
C. Microcephaly with cerebral atrophy
D. Macrocephaly with cerebral atrophy
A. Microcephaly with egg-shell-like periventricular calcification
Choose the incorrect statement regarding choroid plexus tumors
A. the most common type is papillomas
B. most commonly found in adults
C. found in the atrium of the lateral ventricle in children
D. uncommon location is the third ventricle
B. most commonly found in adults
What is the name given a handle-like osseous protruberance found along the posterior edge of the foramen magnum in the newborn?
A. Suboccipital process
B. Occipital ridge
C. Crista occipitalis
D. Process of Kerkring
D. Process of Kerkring
The most common suprasellar mass found in a child is what?
A. meningioma
B. pituitary ademona
C. craniopharyngioma
D. none of the above
C. craniopharyngioma
Which one of the following is NOT a component of the triad of tuberous sclerosis?
A. Papular facial lesions
B. Seizures
C. Retinal phakomas
D. Mental retardation
C. Retinal phakomas
Which of the following is a feature of a Dandy-Walker syndrome?
A. Large posterior fossa
B. Hydrocephalus in 10% of cases
C. Corpus callosum agenesis in 90% of cases
D. No cephaloceles
A. Large posterior fossa
Which chromosome location is associated with NF-I?
A. Chromosome 21
B. Chromosome 17
C. Chromosome 13
D. Chromosome 5
B. Chromosome 17
Which of the following are the expected MRI signal intensities of an infratentorial astrocytoma?
A. Hypointense on T1; hyperintense on T2
B. Hyperintense on T1; hypointense on T2
C. Hyperintense on T1; hyperintense on T2
D. Hypointense on T1; hypointense on T2
A. Hypointense on T1; hyperintense on T2
Choose the correct statement
A. pineal calcification is common in people over 40
years of age
B. choroid calcificaiton is common in people over 40
years of age
C. basal ganglion calcification is uncommon in people
under 40 years of age
D. all statements are correct
D. all statements are correct
Vertical division of the cord or cauda equina by a septum with possible osseous defects, such as interpediculate widening with either complete or partial fusion of the vertebral bodies is seen in the condition…
A. Sacral agenesis
B. Syringomyelia
C. Myelomeningocele
D. Diastematomyelia
D. Diastematomyelia
Dorsal induction is best described as…
A. Formation of the brain and coccyx
B. Formation of the brain and urinary system
C. Formation of the brain and gastrointestinal tract
D. Formation of the brain and spinal cord
D. Formation of the brain and spinal cord
Plexiform neurofibromas
A. are a hallmark of neurofibromatosis 1
B. are tortuous masses found along major nerves,
especially cranial nerve V(1)
C. are found in 1/3 of patients with neurofibromatosis I
D. all of the above
D. all of the above
The most common form of CNS infection is…
A. Varicella
B. Toxoplasmosis
C. Cytomegalovirus
D. Meningitis
D. Meningitis
Which clinical aspect does not fit into the classic picture of Chiari I malformation?
A. Abnormal vermis
B. Cerebellar tonsils displaced inferiorly
C. Fourth ventricle normal
D. Medulla normal
A. Abnormal vermis
The signs and symptoms of hypertensive encephalopathy include
A. visual disturbances
B. headache
C. altered mental status
D. all of the above
D. all of the above
How would one expect a chronic subdural hematoma to appear on CT scan?
A. Isodense with normal brain
B. Hypodense with production of widening of the
cortical sulci
C. Well-defined and hypodense on comparison with
normal adjacent brain
D. Well-defined and hyperdense compared with normal
adjacent brain
C. Well-defined and hypodense on comparison with normal adjacent brain
Late subacute clots are…
A. Isointense with on TIWI and hyperintense on T2WI
B. Isointense with on TIWI and hypointense on TWI
C. Hyperintense on TIWI and hypointense on T2WI
D. Hyperintense on TIWI and hyperintense on T2WI
D. Hyperintense on TIWI and hyperintense on T2WI
The most common cause of brain infarction is…
A. Compression on vascular vessel by a neighboring tumor
B. Arteritis
C. Septic embolism
D. Atherosclerotic disease
D. Atherosclerotic disease
Choose the correct statement regarding vertebral hemangiomas
A. fast growing
B. most commonly occurs in the cervical spine
C. benign primary neoplasms of capillary, cavernours or
venous origin
D. all above are correct
C. benign primary neoplasms of capillary, cavernours or
venous origin
This radiographic technique is useful in demonstrating air-fluid levels within the sphenoid sinus, which is an
indication of significant injury of the base of the skull.
A. PA Caldwell
B. AP Towne’s
C. Rhese Method
D. Horizontal-beam cross-table lateral
D. Horizontal-beam cross-table lateral
What is the most common cause of symptoms in patients with subependymal giant cell astrocytoma?
A. Obstructive hydrocephalus
B. Hemiplegia
C. Hemianopsia
D. Leptomeningeal venous angiomatosis
A. Obstructive hydrocephalus
An empty delta sign on CT imaging is characteristic of
A. vascular malformation
B. venous infarction
C. Sturge-Weber syndrome
D. Chiari 1 malformation
B. venous infarction
In partial agenesis of the corpus callosum, which parts of the corpus callosum are generally spared?
A. Genu and body
B. Rostrum and splenium
C. Genu and rostrum
D. Body and splenium
A. Genu and body
Which one of the following statements is false concerning hemangioblastomas?
A. 44% of all patients with von Hippel-Lindau syndrome
eventually develop a CNS hemangioblastoma.
B. Most become symptomatic during the 3rd and 5th
decades.
C. Hemangioblastoma is a common lesion of childhood.
D. The most common location is in the cerebellum
C. Hemangioblastoma is a common lesion of childhood.
Which one of the following statements is false concerning meningiomas?
A. Sometimes meningiomas infiltrate adjacent dura.
B. Meningiomas can induce non-neoplastic reactive
dural changes.
C. Other lesions such as schwannoma, glioblastoma
multiforme, and metastases occasionally are
associated with a dural tail.
D. The “dural tail sign” is pathognomonic for
meningioma.
D. The “dural tail sign” is pathognomonic for meningioma.
A patient that demonstrates the classical clinical triad of epileptic seizures, mental retardation and hamartomatous soft tissue lesions can also demonstrates all of the following radiographic findings except…
A. Intracranial calcifications
B. Marginal articular erosions
C. Undulating cortical contour of the short bones of the
hand
D. Blastic deposits within the pelvis and spine
B. Marginal articular erosions
Acute clots are…
A. Isointense with on T1WI and hyperintense on T2WI
B. Isointense with on T1WI and hypointense on T2WI
C. Hyperintense on T1WI and hypointense on TWI
D. Hyperintense on T1WI and hyperintense on T2WI
B. Isointense with on T1WI and hypointense on T2WI
A Jefferson fracture
A. involves the anterior and posterior arches
B. is the most common injury to C2
C. is also known as Hangman’s fracture
D. none of the above statements are correct
A. involves the anterior and posterior arches
Which is NOT visualized on a Water’s projection?
A. Maxillary sinuses
B. Foramen rotundum
C. Petrous pyramids lying immediately inferior to the floor of the maxillary sinuses
D. Sphenoid sinuses
D. Sphenoid sinuses
Which one of the following is not a differential for a “button sequestrum”?
A. Paget’s disease
B. Tuberculosis
C. Radiation
D. Metastasis
A. Paget’s disease
What is the most common type of aneurysm within the calvarium?
A. Berry aneurysm
B. Atherosclerotic (fusiform) aneurysm
C. Mycotic aneurysm
D. Post-traumatic aneurysm
A. Berry aneurysm
Myelomeningoceles, beaked tectum, and hydrocephalus are clinical findings associated with
A. chiari I malformation
B. chiari Il malformation
C. Dandy-Walker malformation
D. none of the above
B. chiari Il malformation
How would one expect a subacute subdural hematoma to appear on MRI?
A. Variable, usually hyperintense on T2WI,
iso/hypointense on TIWI
B. Isointense on T1, iso/hyperintense on T2WI
C. iso/moderately hypointense on T1, very hypointense
on T2WI
D. Hyperintense on both T1 and T2WI
D. Hyperintense on both T1 and T2WI
The linear indentation or groove produced by the hard edge of the tentorium is termed
A. burst lobe
B. basilar impression
C. empty delta sign
D. Kernohan’s notch
D. Kernohan’s notch
A scimitar appearance of the sacrum is demonstrated on the lateral radiograph of the lumbopelvic area. The most commonly associated condition is…
A. Spina bifida occulta
B. Diastematomyelia
C. Caudal regression syndrome
D. Meningocele
D. Meningocele
The appropriate term for a “smooth brain” is…
A. Lissencephaly
B. Alobar holoprosencephaly
C. Lobar holoprosencephaly
D. Luckenschadel
A. Lissencephaly
Premature closure of the saggital suture leads to which skull deformity?
A. Dolichocephaly
B. Brachycephaly
C. Oxycephaly
D. Turricephaly
A. Dolichocephaly
What is the most common anterior third ventricle mass?
A. Meningioma
B. Choroid plexus papilloma
C. Colloid cyst
D. Subependymal giant cell astrocytoma
C. Colloid cyst
A condition in which the top of the head is pointed (tower head) or conical owing to premature closure of the coronal and lambdoid sutures is known as…
A. Dolichocephaly
B. Brachycephaly
C. Oxycephaly
D. Microcephaly
C. Oxycephaly
Approximately what percent of patients with Paget’s disease involving the skull will develop basilar invagination?
A. 10%
B. 25%
C. 33%
D. 50%
C. 33%
The most frequently affected cranial nerve in NF-2 is…
A. V
B. VII
C. VIII
D. X
C. VIII
Wormian bones found within the fontanelles are known as….
A. Fonticular bones
B. Intercalary bones
C. Inca bones
D. Apical bones
A. Fonticular bones
Choose the correct statement regarding ependymomas
A. hypointense to brain on T2WI B. 100% calcify C. more common in adults D. infratentorial ependymomas most commonly found in the fourth ventricle
D. infratentorial ependymomas most commonly found in the fourth ventricle
Hyperacute blood clots are…
A. Isointense with gray matter on TIWI and hyperintense
on T2WI
B. Isointense with gray matter on TIWI and hypointense
on T2WI
C. Hyperintense on TIWI and hypointense on T2WI
D. Hyperintense on TIWI and hyperintense on T2WI
A. isointense with gray matter on TIWI and hyperintense on T2WI
Broad spina bifida with thinned, dorsally everted, flared laminae and a sharply demarcated fluid filled sac that is
isodense or isointense with CSF and devoid of neural tissue describes…
A. Dorsal dermal sinus
B. Meningocele
C. Myelomeningocele
D. Spinal lipoma
B. Meningocele
____ is the best screening tool for asymptomatic patients at risk for cerebral aneurysms.
A. transcranial ultrasound
B. computed tomographic angiography
C. conventional radiograph
D. none of the above
B. computed tomographic angiography
Choose the correct statement regarding pyogenic spondylitis
A. the least common demographic is children
B. initially found in the subchondral vertebral body in
adults
C. most common organism to spinal infection is
Enterobacterium
D. infection most commonly occurs in the cervical spine
B. initially found in the subchondral vertebral body in
adults
A lesion, which contains solely leptomeninges, according to Osborn is properly termed alan…
A. Cephalocele
B. Meningocele
C. Meningoencephalocele
D. Meckel syndrome
B. Meningocele
What is the most common intracranial location for dermoid cysts?
A. Cerebellopontine angle
B. Parasellar region
C. Midline within the posterior fossa
D. Cisterna magna
C. Midline within the posterior fossa
Hydrocephalus is observed in_____ % of Dandy-Walker malformation.
A. 20%
B. 50%
C. 80%
D. 100%
C. 80%
Common supratentorial tumors in adults include
A. gliobastoma multiforme
B. choroid plexus papilloma
C. PNET
D. A and B
A. gliobastoma multiforme
What is the most common location of arachnoid cysts in the cranium?
A. Anterior cranial fossa
B. Middle cranial fossa
C. Posterior cranial fossa
D. Paranasal sinuses
B. Middle cranial fossa
What is the most common nontraumatic cause of intracranial hemorrhage in adults?
A. Eclampsia
B. Preeclampsia
C. SLE
D. Hypertension
D. Hypertension
What is the most frequent cause of congenital infections?
A. Toxoplasmosis
B. Cytomegalovirus
C. Herpes simplex
D. Rubella
B. Cytomegalovirus
Which one of the following diseases will give a “raindrop skull” appearance?
A. Neuroblastoma
B. Multiple myeloma
C. Lymphoma
D. Paget’s disease
B. Multiple myeloma
Clinical ataxia, occlusion/infarct of the vertebral artery and Horner syndrome describe
A. Wallerian degeneration
B. Wallenburg syndrome
C. Rendu-Osler-Weber disease
D. leukodystrophy
B. Wallenburg syndrome
Which is not a pattern of white matter lesions on MR imaging in tuberous sclerosis?
A. Straight bands
B. Conglomerate foci
C. Cerebellar radial bands
D. Pons nodules
D. Pons nodules
What is the most common posterior fossa site for intracranial lipomas?
A. Cerebellum hemispheres
B. Vermis
C. 4th ventricle
D. cerebellopontine angle
D. cerebellopontine angle
The hallmark of NF-2 is/are…
A. Bilateral acoustic schwannomas
B. Unilateral acoustic schwannomas
C. Cord ependymomas
D. Meningiomas
A. Bilateral acoustic schwannomas
Subependymal giant cell astrocytomas
A. is grade IV (WHO)
B. found in the temporal lobe
C. found at the Foramen of Monro
D. occurs with Sturge Weber syndrome
C. found at the Foramen of Monro
The type of edema seen first in the brain following infarcts is…
A. Vasogenic edema
B. Cytotoxic edema
C. Hemorrhagic edema
D. Traumatic edema
B. Cytotoxic edema
During normal brain development the neural tube develops at about 18 days gestation. Which portion of the neural tube will become the future brain?
A. The proximal 1/6
B. The proximal
C. The proximal 1/3
D. The proximal 2/3
D. The proximal 2/3
This disease process produces the “lantern jaw”.
A. Acromegaly
B. Syphilis
C. Cushing’s disease
D. Hypopituitarism
A. Acromegaly
Over 75% of strokes occur in the
A. anterior cerebral artery
B. middle cerebral artery
C. posterior cerebral artery
D. basilar artery
B. middle cerebral artery
Which of the following conditions would least likely produce an intramedullary spinal mass on MRI?
A. Hematoma
B. Post-radiation myelopathy
C. Ependymoma
D. Meningioma
D. Meningioma
Choose the best answer(s) regarding cerebrospinal fluid
A. CSF production is approximately 150mL per day
B. CSF flow runs from the chroid plexi in the lateral
ventricles via the foramen of Magendie
C. The arachnoid villi absorb CSF
D. In elderly persons the CSF volume decreases
C. The arachnoid villi absorb CSF
This complication may occur if a portion of arachnoid becomes interposed through a dural tear and becomes
entrapped in a fracture of the cranium.
A. Pneumocephalus
B. Cerebrospinal fluid rhinorrhea
C. Cerebrospinal fluid otorrhea
D. Leptomeningeal cyst
D. Leptomeningeal cyst
Choose the acceptable reasons for the use of enhancement in advanced imaging
A. to distinguish between scar and disk in a
postoperative back
B. to asses the full extent of disease in an infectious and
inflammatory condition
C. evaluate the spinal cord to rule out tumor
D. all of the above
D. all of the above
Which is NOT a part of the evaluation criteria for a Caldwell view?
A. Petrous ridge should lie in the lower third of the orbit.
B. Anterior ethmoid air cells should lie below the
petrous ridges.
C. Frontal sinuses should lie above the frontonasal
suture.
D. Frontal and anterior ethmoid sinuses should be
visualized clearly.
B. Anterior ethmoid air cells should lie below the petrous
ridges.
Which of the following is a feature that differentiates epidural hematomas from subdural hematomas?
A. Epidural hematomas may not cross a suture
B. Acute (1-3 days old) epidural hematomas will appear
isodense on CT
C. Only subdural hematomas will exhibit a mass effect
D. Large feeding vessels are seen to the epidural
hematomas
A. Epidural hematomas may not cross a suture
Which myelographic finding is characteristic of an intramedullary mass within the spinal canal?
A. Fusiform enlargement of the cord, usually withint
complete block
B. Eccentric enlargement of the cord with displacement
C. Complete block of the canal due to an extradural
mass
D. Total block of flow is always seen
A. Fusiform enlargement of the cord, usually withint complete block
The presence of multiple subcortical infarcts with associated white matter ischemic changes and a slow progressive dementia is called…
A. Alzheimer’s disease
B. Multiple sclerosis
C. Necrotizing leukoencephalopathy
D. Binswanger’s disease
D. Binswanger’s disease
Which of the following is not part of a Chiari Il malformation?
A. Low-lying torcular Herophili
B. Colpocephaly
C. Myelomeningocele in 30%
D. Fenestrated falx
C. Myelomeningocele in 30%
Which of the following statements is false concerning cysticercosis?
A. It is the most common parasitic infection of the
human CNS worldwide.
B. Humans are the only definitive host.
C. The racemose form develops when subarachnoid
cysts become multiloculated, resembling a “cluster of
grapes”.
D. The racemose cyst usually calcifies after
degeneration.
D. The racemose cyst usually calcifies after degeneration.
Choose the false statement
a. The mesencephalon develops into the pons and
cerebellum
b. The third and fourth cranial nerves orginate in the
midbrain
c. The tectum and tegmentum are separated by the
cerebral aqueduct
d. The thalamus is found on either side of the third
ventricle
Grossman, RI, Yousem, DM: Neuroradiology The Requisites, ed 2, Philadelphia, Mosby, 2003, pg 40
a. The mesencephalon develops into the pons and
cerebellum
A neurological error/insult during neuronal migration may result in
A. lissencephaly
B. schizencephaly
C. polymicrogyria
D. all of the above
Grossman, RI, Yousem, DM: Neuroradiology The Requisites, ed 2, Philadelphia, Mosby, 2003, pg 7
all of the above
Pick 2
A disorder associated with ventral induction (MACA)
a. alobar holoprosencephaly
b. Dandy-Walker malformation
d. Chiari malformation
e. Schizencephaly
Osborn, AG: Diagnostic Neuroradiology, St. Loius, Mosby, 1994, pg 12-13
a. alobar holoprosencephaly
b. Dandy-Walker malformation
Choose the false statement regarding Chiari I malformation
a. also known as congenital tonsillar ectopia
b. frequently an incidental finding on cervical imaging
c. syringomyelia is an associated anomaly
d. more common in males
Osborn, AG: Diagnostic Neuroradiology, St. Loius, Mosby, 1994, pg 16-18
Grossman, RI, Yousem, DM: Neuroradiology The Requisites, ed 2, Philadelphia,
Mosby, 2003, pg 436
d. more common in males
Myelomeningoceles, beaked tectum, and hydrocephalus are clinical findings associated with
a. chiari I malformation
b. chiari II malformation
c. Dandy-Walker malformation
d. none of the above
Osborn, AG: Diagnostic Neuroradiology, St. Loius,
Mosby, 1994, pg 19
b. chiari II malformation
Choose the incorrect statement regarding choroid plexus tumors
a. the most common type is papillomas
b. most commonly found in adults
c. found in the atrium of the lateral ventricle in children
d. uncommon location is the third ventricle
Osborn, AG: Diagnostic Neuroradiology, St. Loius, Mosby, 1994, pg 403
b. most commonly found in adults
Common supratentorial tumors in adults include
a. gliobastoma multiforme
b. choroid plexus papilloma
c. PNET
d. A and B
Osborn, AG: Diagnostic Neuroradiology, St. Loius, Mosby, 1994, pg 408
gliobastoma multiforme
An absent septum pellucidum is associated with:
a. anosmia
b. holoprosencephaly
c. corpus callosum dysgenesis
d. B and C
Osborn, AG: Diagnostic Neuroradiology, St. Loius,
Mosby, 1994, pg 422
B and C
- b. holoprosencephaly
- c. corpus callosum dysgenesis
The most common posterior fossa tumor in children is
a. medulloblastoma
b. cerebellar (juvenile) pilocytic astrocytoma
c. ependymoma brainstem
d. glioma
Osborn, AG: Diagnostic Neuroradiology, St. Loius, Mosby, 1994, pg 434
b. cerebellar (juvenile) pilocytic astrocytoma
Choose the false statement regarding cerebellar pontine angle cistern masses
a. most common mass is the acoustic schwannoma
b. more common in adults
c. most common mass has “ice cream cone” appearance
on T1 MRI
d. all of the above are correct
Osborn, AG: Diagnostic Neuroradiology, St. Loius, Mosby, 1994, pg 438-441
all of the above are correct
Ddx CPA MASS
S-chwannoma
A-rachnoid cyst
M-eningioma
E-pidermoid Cyst
Hormone(s) secreted by the posterior pituitary include
a. prolactin
b. anti-diuretic hormone
c. growth hormone
d. follicle stimulating hormone
Osborn, AG: Diagnostic Neuroradiology, St. Loius, Mosby, 1994, pg 464
b. anti-diuretic hormone
The most common suprasellar mass found in a child is what?
a. meningioma
b. pituitary adenoma
c. craniopharyngioma
d. none of the above
Osborn, AG: Diagnostic Neuroradiology, St. Loius, Mosby, 1994, pg 472
c. craniopharyngioma
Subependymal giant cell astrocytomas is
a. grade IV (WHO)
b. found in the temporal lobe
c. found at the Foramen of Monroe
d. occurs with Sturge Weber syndrome
Osborn, AG: Diagnostic Neuroradiology, St. Loius, Mosby, 1994, pg 562-563
c. found at the Foramen of Monroe
These tumors are the most common intracranial tumor to calcify, more common in adults and their cells have a “fried egg appearance”
a. schwannomas
b. oligodenogliomas
c. glioblastoma multiforme
d. meningiomas
Osborn, AG: Diagnostic Neuroradiology, St. Loius, Mosby, 1994, pg 564
b. oligodenogliomas
Premature closure of the sagittal suture leads to which skull deformity?
a. Dolichocephaly
b. Brachycephaly
c. Oxycephaly
d. Turricephaly
a. Dolichocephaly
A condition in which the top of the head is pointed (tower head) or conical owing to premature closure of the coronal and lambdoid sutures is known as…
a. Dolichocephaly
b. Brachycephaly
c. Oxycephaly
d. Microcephaly
c. Oxycephaly
Which one of the following skull deformities is associated with Marfan’s syndrome?
a. Dolichocephaly
b. Brachycephaly
c. Oxycephaly
d. Turricephaly
Yochum P 608
a. Dolichocephaly
Which of the following syndromes will result in developmental asymmetry of the cranium?
a. Dandy-Walker syndrome
b. Arnold-Chiari syndrome
c. Dyke-Davidoff-Masson syndrome
d. Achondroplasia
c. Dyke-Davidoff-Masson syndrome
Which one of the following is not a differential for wormian bones?
a. Osteogenesis imperfecta
b. Cleidocranial dysplasia
c. Acro-osteolysis (Pyknodysostosis)
d. Osteopetrosis
Chapman. 2nd ed. P 337
d. Osteopetrosis
PORKCHOPS mnemonic
P - pyknodysostosis O - osteogenesis imperfecta R - rickets K - kinky hair syndrome C - cleidocranial dysostosis H - hypothyroidism/hypophosphatasia O - otopalatodigital syndrome P - primary acroosteolysis (Hajdu-Cheney)/pachydermoperiostosis/progeria S - syndrome of Downs
Which one of the following is not a characteristic of pyknodysostosis?
a. Premature closure of the cranial sutures
b. Wormian bones.
c. Small face
d. Thick and sclerotic skull base
Ref. Resnick P. 4204
a. Premature closure of the cranial sutures
Which one of the following dysplasias gives a “hot cross bun” appearance in the skull?
a. Osteopetrosis
b. Cleidocranial dysplasia
c. Pyknodysostosis
d. Osteogenesis imperfecta
Ref. Yochum P 589
b. Cleidocranial dysplasia
The “tam-o’shanter” skull may be observed in which one of the following?
a. Osteopetrosis
b. Cleidocranial dysplasia
c. Pyknodysostosis
d. Osteogenesis imperfecta
Ref. Resnick P 4115
d. Osteogenesis imperfecta
Also used to describe changes in the skull with Pagets
https://radiopaedia.org/articles/tam-o-shanter-sign-skull?lang=us
Which one of the following skull findings is not observed in NF-I?
a. Microcephaly
b. Hypoplasia of the greater sphenoid ala
c. Calvarial defect within the left lambdoid suture
d. Enlargement of the internal auditory canals
Ref. Osborn P 82
a. Microcephaly
Which of the following is a disorder of primary neurulation?
a. Chiari malformations
b. Diastematomyelia
c. Dermal sinus
d. Tethered cord
Ref. Osborn P 12
a. Chiari malformations
Lissencephaly is a disorder of…
a. Primary neurulation
b. Cellular migration
c. Neural organization
d. Myelination
Ref. Osborn P 13
b. Cellular migration
Lissencephaly is a disorder of…
a. Primary neurulation
b. Cellular migration
c. Neural organization
d. Myelination
Ref. Osborn P 13
b. Cellular migration
Which clinical aspect does not fit into the classic picture of Chiari I malformation?
a. Abnormal vermis
b. Cerebellar tonsils displaced inferiorly
c. Fourth ventricle normal
d. Medulla normal
Ref. Osborn P 16-18
a. Abnormal vermis
Which of the following is not part of a Chiari II malformation?
a. Low-lying torcular herophili
b. Colpocephaly
c. Myelomeningocele in 30%
d. Fenestrated falx
Ref. Osborn P 19
d. Myelomeningocele in 30%
A lesion, which contains solely leptomeninges, according to Osborn is properly termed a/an…
a. Cephalocele
b. Meningocele
c. Meningoencephalocele
d. Meckel syndrome
Ref. Osborn P 24
b. Meningocele
Which of the following best describes the Chiari III malformation?
a. Hypoplasia of the cerebellum
b. Low occipital or high cervical encephalocele in
combination with features of the Chiari II malformation. c. Low occipital or high cervical encephalocele in
combination with features of the Chiari I malformation. d. Cystic dilatation of the fourth ventricle and an
enlarged posterior fossa with upward displacement of
the lateral sinuses, tentorium, and torcular herophili
with varying degrees of vermian aplasia or hypoplasia.
Ref. Osborn P 24
b. Low occipital or high cervical encephalocele in
combination with features of the Chiari II malformation
In partial agenesis of the corpus callosum, which parts of the corpus callosum are generally spared?
a. Genu and body
b. Rostrum and splenium
c. Genu and rostrum
d. Body and splenium
Ref. Osborn P 29
a. Genu and body
Which is NOT a MRI manifestation of a typical Chiari II malformation?
a. Beaked Tectum
b. Large massa intermedia
c. Convex clivus
d. Low-lying torcular herophili
Ref. Osborn P 22
c. Convex clivus
The appropriate term for a “smooth brain” is…
a. Lissencephaly
b. Alobar holoprosencephaly
c. Lobar holoprosencephaly
d. Luckenschadel
Ref. Osborn P 44
a. Lissencephaly
Which of the following is a feature of a Dandy-Walker syndrome?
a. Large posterior fossa
b. Hydrocephalus in 10% of cases
c. Corpus callosum agenesis in 90% of cases
d. No cephaloceles
Ref. Osborn P 60
a. Large posterior fossa
The appropriate name for conditions which present with a dysgenetic vermis which appears split or segmented is…
a. Kraabe disease
b. Joubert’s syndrome
c. Apert’s syndrome
d. Dandy-Walker variation
Ref. Osborn P 66
b. Joubert’s syndrome
The disease entity dysplastic gangliocytoma of the cerebellum is also known as…
a. Macrocephaly
b. Lhemitte-Duclos disease
c. Dandy-Walker variant
d. Chiari IV malformation
Ref. Osborn P 69
b. Lhemitte-Duclos disease
Hydrocephalus is observed in _________% of Dandy-Walker malformation.
``20%
50%
80%
100%
Ref. Osborn P 60
80%
Which of the following is not a feature of the Dandy-Walker Variant?
a. Slightly to moderately enlarged fourth ventricle
b. Large posterior fossa
c. Hypoplastic inferior vermian lobules
d. Normal brainstem
Ref. Osborn P 63
b. Large posterior fossa
Which one of the following is not a feature of the Chiari IV malformation?
a. Obstructive hydrocephalus
b. Absent or severely hypoplastic cerebellum
c. Small brainstem
d. Large posterior fossa cerebrospinal fluid spaces
Ref. Osborn P 66
a. Obstructive hydrocephalus
Intracranial calcifications occur in what percentage of patients with tuberous sclerosis?
a. 5% to 10%
b. 20% to 30%
c. 50% to 80%
d. 80% to 100%
Ref. Resnick P 4355
c. 50% to 80%
Which chromosome location is associated with NF-I?
a. Chromosome 21
b. Chromosome 17
c. Chromosome 13
d. Chromosome 5
Ref. Osborn P 73
b. Chromosome 17
What is the most common spinal manifestation in NF-I?
a. Posterior vertebral body scalloping
b. Scoliosis
c. Meningoceles
d. Intradural extramedullary masses
Ref. Resnick P 4363
b. Scoliosis
The hallmark of NF-2 is/are…
a. Bilateral acoustic schwannomas
b. Unilateral acoustic schwannomas
c. Cord ependymomas
d. Meningiomas
Ref. Osborn P 87
a. Bilateral acoustic schwannomas
The most frequently affected cranial nerve in NF-2 is…
a. V
b. VII
c. VIII
d. X
Ref. Osborn P 87
c. VIII
Which one of the following is NOT a component of the triad of tuberous sclerosis?
a. Papular facial lesions
b. Seizures
c. Retinal phakomas
d. Mental retardation
Ref. Osborn P 93
c. Retinal phakomas
Which is not a pattern of white matter lesions on MR imaging in tuberous sclerosis?
a. Straight bands
b. Conglomerate foci
c. Cerebellar radial bands
d. Pons nodules
Ref. Osborn P 95
d. Pons nodules
Encephalotrigeminal angiomatosis is a synonym for…
a. Tuberous sclerosis
b. Sturge-Webber syndrome
c. Von Hippel-Lindau syndrome
d. Von Recklinghausen’s disease
Ref. Osborn P 98
b. Sturge-Webber syndrome