FRCR 2A Central nervous system SBA

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FRCR 2A Central nervous system SBA

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Progressive intracranial occlusive arteriopathy (Moyamoya syndrome) is associated with ALL of the following conditions EXCEPT:

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"An 8-year-old girl presents for evaluation of sensorineural hearing loss. You are shown an axial CT image. Which of the following is the MOST likely diagnosis?

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"You are shown T2-weighted and T1-weighted sagittal images and a T1-weighted axial MR images from a 1-year-old girl with a sacral mass. The patient has not had surgery. What is the BEST diagnosis?

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"A middle-aged woman presents with numbness of the hands. You are shown sagittal and axial T2-weighted images of the cervical spine. Which of the following is the MOST likely diagnosis?

  

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"The axial T1 fat saturation image of the neck demonstrates a large left tonsillar mass. At what level is the pathologic lymphadenopathy?

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"A 35-year-old female presents with 5 months of left hip pain. You are shown STIR and contrast enhanced T1 weighted MRI of the lumbar spine. What is the MOST likely diagnosis?

  

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"You are shown three images from a CT study performed on a 23-year-old woman who is 32 weeks pregnant. She reported nausea and vomiting on admission and has now become slightly obtunded. What is the MOST LIKELY etiology of the imaging findings?

 

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"You are shown axial T2-weighted MR image (the first image) and pre-contrast and post-contrast axial T1-weighted MR images (the second and third images) from a 42-year-old man with painless proptosis. What is the MOST likely diagnosis?

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Patients with normal pressure hydrocephalus (NPH) are most likely to respond to ventricular shunting if which of the following are true?

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"A 25-year-old female presented with fluctuating motor and sensory deficits. You are shown two FLAIR images. The lesions did not enhance with gadolinium and resolved two weeks post therapy. Which of the following is the BEST diagnosis?

  

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"You are shown an axial unenhanced CT image and sagittal unenhanced T1-weighted and axial gadolinium-enhanced T1-weighted MR images of the brain on a 50-year-old man with headaches. What is the MOST LIKELY diagnosis?

    

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"You are shown sagittal T1-weighted, T2-weighted, and gadolinium-enhanced T1-weighted MR images of the thoraco-lumbar spine in a 17-month-old girl with back pain. What is the MOST likely diagnosis?

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You are shown sagittal T1-weighted, axial T2-weighted and axial FLAIR MR images in a newborn with questionable ventriculomegaly on prenatal ultrasound. What is the MOST likely diagnosis?

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You are shown axial FLAIR, T2-weighted, gadolinium-enhanced T1-weighted, and diffusion-weighted MR images of the brain of an 18-year-old woman with a history of sinusitis and increasing headaches. What is the MOST likely diagnosis?

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An 85-year-old man presents with progressive inability to walk. You are shown sagittal T2-weighted, axial T2-weighted, sagittal T1-weighted post-contrast MR images, and a source image for spinal MRA. What is the MOST LIKELY diagnosis?

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A 35-year-old woman presents with cranial nerve palsies on the left. You are shown axial T2-weighted, T1-weighted post-contrast and diffusion-weighted MR sequences. What is the MOST LIKELY diagnosis?

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You are shown an unenhanced CT scan, an axial T2-weighted image, and a post-contrast axial T1-weighted image from a 30-year-old Hispanic man who presents with seizures. Brain MRI performed six months prior to this study (not shown) was normal. What is the MOST LIKELY diagnosis?

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A young child presents with fever and periorbital swelling. You are shown a coronal reformatted image from a post contrast orbital CT. Which statement about the CT imaging findings is most accurate?
 

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"This 4-month-old male patient was found to have a head circumference greater than the 95th percentile. He is otherwise asymptomatic. What is the recommended course of action?

    

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"You are shown MR images of a 7-month-old child. Which of the following other imaging findings is MOST LIKELY to be present?

  

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A patient with neck pain and odynophagia has a cervical spine CT that reveals prevertebral amorphous calcification below the anterior arch of C1 and prevertebral soft tissue swelling. The remainder of the CT study is normal. What is the MOST LIKELY diagnosis?

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"You are shown an axial FLAIR image and diffusion-weighted images of a 70-year-old woman with rapidly progressive cognitive decline and myoclonic jerks. What is the MOST LIKELY diagnosis?

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"You are shown a noncontrast CT image, T1-weighted image, and GRE MR image of a 76-year-old woman presenting with acute headache and confusion. What is the MOST LIKELY diagnosis?

    

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"A 39-year-old woman presents with clumsiness in her hands, a numb feeling in her left arm, and increasing gait difficulties. Based on the MR images and CT images, what is the MOST LIKELY diagnosis?

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"A 30-year-old man presents with neck and right arm pain. You are shown MR images of the cervical spine. What is the MOST LIKELY diagnosis?

    

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"A 40-year-old woman presents with acute right leg pain. You are shown MR images of the lumbar spine. Which nerve root is compressed by the disc herniation?

     

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"You are shown a sagittal noncontrast T1-weighted image and an axial CT image performed on a 15-year-old male patient. What is the MOST LIKELY diagnosis?

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"Which of the following NASCET criteria measurements, along with the measurement at point C, are required in calculating the degree of stenosis of the internal carotid artery?

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"An 80-year-old white female with decreasing visual acuity had angiograms performed of her internal and external carotid arteries. What is the MOST LIKELY diagnosis?

  

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"A 3-year-old girl presents with headache. You are shown axial T1-weighted images before and after intravenous gadolinium contrast administration. You are also shown axial T2-weighted and FLAIR images. What is the MOST LIKELY diagnosis?

      

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Images in an MRI sequence are obviously suffering from patient motion. Which of the following sequences is MOST LIKELY to reduce involuntary motion?

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Which one of the following typically causes decreased signal intensity in vertebral body bone marrow on a T1-weighted sequence?

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"The figure below shows a chemical shift artifact in an MR image. Of the vectors labeled z, y, x, and x-y, in which direction is the phase-encoded gradient applied for this acquisition?

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Which of the following would you expect to find on CT perfusion 1 hour post acute middle cerebral artery occlusion in the affected territory?

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"You are shown axial T2-weighted and coronal T1-weighted images of a child with seizures and severe developmental delay. Which one of the following is the MOST LIKELY diagnosis?

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A series of single-slice axial CT images are acquired with 5 mm slice thickness and 5 mm slice spacing. The study is repeated in a helical mode with a 5 mm slice thickness, 7.5 mm table motion per rotation, with reconstructed images every 2 mm. What is the ratio of the average patient dose in the helical study to that in the axial study?

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"You are shown precontrast and postcontrast T1-weighted images of a child with a longstanding progressive seizure disorder. What is the diagnosis?

  

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"A 66-year-old man presents with low back pain and left lower extremity weakness 1 year after a hemilaminectomy for an L5-S1 disc extrusion. You are shown postcontrast T1-weighted sagittal and axial images. What is the MOST LIKELY diagnosis?

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"You are shown axial and coronal postmyelogram CT images of a 22-year-old man who was involved in a motorcycle accident. What is the MOST LIKELY diagnosis?

  

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Increased signal on diffusion-weighted imaging associated with acute cerebral infarction usually resolves after what length of time?

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Which one of the following brain lesions is MOST LIKELY to demonstrate enhancement on MRI after intravenous gadolinium-contrast administration?

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"You are shown T1-weighted pre-contrast and post-contrast and T2-weighted MR images on a 6-month-old boy with vomiting. Which one of the following is the MOST likely diagnosis?

    

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"You are shown a non-contrast axial CT image from a 50-year-old man who is unresponsive in the emergency department. Which one of the following is the MOST likely diagnosis?

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"You are shown T1-weighted pre-contrast and post-contrast and T2-weighted MR images from a 79-year-old man with back pain. Which one of the following is the MOST likely diagnosis?