Frank Gaillard ◉ ◈

A 55-year-old male involved in a motor vehicle accident many years ago was investigated with MRI. What symptom, related to the imaging finding shown, is he most likely to report? 

A 60-year-old man, previously well, presents with three peripherally enhancing, centrally non-enhancing, cerebral lesions. Two are in the white matter of the frontal lobe, and another is in the anterior body of the corpus callosum. Which of the following is the most likely diagnosis?

A 65-year-old female with a proven glioblastoma (IDH-1 wild-type, MGMT methylated) undergoes Stupp protocol combined chemoradiotherapy. Two months after completion of radiotherapy, a follow-up MRI demonstrate a substantial increase in size of a peripheral enhancing component with abundant surrounding vasogenic oedema resulting in mass effect. The enhancing component has low cerebral blood volume and spectroscopy demonstrates a dominant lipid and lactate peak, with minimal choline or NAA. 

What is the most likely diagnosis?

Solitary fibrous tumours of the dura are considered to encompass which of the following entities?

Ependymoma ZFTA fusion-positive tumours are primarily seen in which of the following scenarios?

Which of the following immunohistochemical molecular markers is usually NOT positive in ependymomas?

Ependymomas with tanycytic histopathological pattern are usually found in which location?

The histological feature shown in the attached image is consistent with which of the following central nervous system tumours?

Myxopapillary ependymomas most frequently occur in which location? 

Overall, what is the most common location for an ependymoma?

Which of the following is the earliest visible CT finding of likely ischaemic stroke? 

A 55-year-old man with headaches is investigated with an MRI. What does the non-enhancing lesions shown on the accompanying T2 image most likely represent? 

Subependymomas are most common found in which location?

This 3-month old boy presents with increasing head circumference. He underwent a cranial ultrasound. What is the most likely diagnosis? 

A 4 month-old girl presents with a large mass within the trigone of the lateral ventricle, with associated hydrocephalus. Which of the following is the most likely diagnosis?

A 3-year-old girl presents with a headache. She undergoes a contrast enhanced MRI. What is the most likely diagnosis? 

A 66-year-old woman presents with nausea, headache and vomiting. She undergoes a contrast-enhanced MRI. What is the most likely diagnosis? 

Which of the following best describes the relationship between age and location of choroid plexus tumours?

A 70-year-old female, previously well, presents with vague headaches and undergoes a contrast enhanced MRI. What is the most likely diagnosis?

A 20-year-old woman presents with headaches and undergoes a contrast enhanced MRI. What is the most likely diagnosis?