Questions

A 16-year-old woman has MRI findings compatible with right parietal focal cortical dysplasia. A hyperintense FLAIR tract is seen between the abnormal cortex and the ventricle. What type of FCD is this in the Blumcke classification system?

What is the most likely cause of this 25-year-old patient's seizures?

A 40-year-old woman with medically refractory epilepsy has an MRI. This shows a T2W hyperintense region at the right posterior insula, which incompletely suppresses on FLAIR at the periphery. There is no enhancement following intravenous contrast administration. What is the most likely lesion causing this patient's seizures?

A patient with untreated HIV (human immunodeficiency virus) infection in a developed country presents with altered mental status. Neuroimaging reveals multiple brain lesions associated with oedema, contrast enhancement, and mass effect. What are the two most likely possibilities in the differential diagnosis?

This 50-year-old man experienced neck pain, with left pupillary abnormality and swallowing difficulty. An MRI is performed a few days later, with the T1W fat saturated sequence confirming the left internal carotid artery dissection. What is the hyperintensity on the T1FS sequence?

This 18-year-old suffered a head and cervical spine injury after crashing his mountain bike off a jump. He is quadriplegic.

CT and MRI were performed.

What is the WORST prognostic sign in this case?

Which segment of the facial nerve is LEAST likely to enhance when normal on 3T MRI?

What nerve is the most common connection between the facial nerve (CN VII) and trigeminal nerve (CN V) in perineural spread involving the face?

A child presents with a prolonged headache and VI nerve palsy. An MRI is performed that demonstrates a brainstem tumour. The radiologist is convinced that this is a diffuse midline glioma with the H3 K27M mutation. Which of the following imaging findings, would be UNEXPECTED for this tumour type?

A 12-year-old boy presents with reduced visual acuity and during workup has an MRI. The right optic nerve is expanded all the way back to the chiasm which is also enlarged. Given the likely diagnosis, what is the most likely underlying condition?

What is the most likely diagnosis in this 10-year-old?

A 20-year-old female presented for routine antenatal scan. A single transverse ultrasound image is provided. All of the following are correct regarding the condition shown in the image EXCEPT...

Regarding absent cavum septi pellucidi, all of the following are correct EXCEPT...

All of the following are developmental causes of absent cavum septi pellucidi EXCEPT...

A 30-year-old female presented at 20 weeks of gestation for routine ultrasound. A single ultrasound image is provided. All of the following are true regarding this entity EXCEPT...

In MR Spectroscopy (MRS) 2-hydroxyglutarate resonates at...

A 50-year-old otherwise man presents with a 6-month history of fever, productive cough and night sweats. He does not smoke. Based on the history and the chest x-ray, what is the most likely diagnosis?

A 20-year-old woman presents with a 6-month history of dry cough and chest pain. Based on the lateral chest X-ray, what is the most likely diagnosis?

A 30-year-old woman presents with a 6-month history of dry cough and chest pain. Based on the lateral chest X-ray, what is the most likely diagnosis?

A 40-year-old man presents with a 3-month history of erythema nodosum. Based on the chest X-ray, what is the most likely diagnosis?