Questions

The appearance of this sagittal MRI of the brain is most consistent with which of the following diagnoses?

A 20-year-old male, previously well, presents with a four-day history of fevers, and a chest x-ray is performed. What is the most likely diagnosis? 

A 25-year-old male has a recently reduced shoulder dislocation, and an x-ray is performed. What is the most likely diagnosis? 

A 65-year-old male has a shoulder dislocation reduced, and a post reduction x-ray is performed. What is the most likely diagnosis? 

A 20-year-old female, previously well, presents with one week of intermittent clumsiness. An MRI is performed. What do you think is the most likely diagnosis?

If you were to review the apparent diffusion coefficient (ADC) maps of the adjacent study, what values (measured in units x 10^-6 mm²/s) would you expect to encounter in the area of abnormality?

An elderly man presents with ataxia and headache. What is the most likely diagnosis?

A 30-year-old man, previously well, presents with ataxia and headache. What is the most likely diagnosis?

An elderly, otherwise well, individual presents with a headache and is investigated with an MRI. What is the most likely diagnosis?

A 55-year-old woman, previously well, presents with 4-month history of rapid decline in cognitive function. She is imaged with an MRI.  What is the most likely diagnosis?

A 50-year-old woman presents with a gradual decline in cognitive function and is investigated with an MRI. Which of the following most likely describes their cognitive deficit?

A 35-year-old woman, previously well, developed persistent headaches and was imaged with a contrast-enhanced MRI. What is the most likely diagnosis?

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? 

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

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? 

This 3-month old boy presents with increasing head circumference. He underwent a cranial ultrasound. What 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? 

A 75 year old woman with epigastric pain has been assessed with MR cholangiopancreatography (MRCP). Which of the following is seen?

In these images, which air-filled structures have been labeled A and B respectively?