A two-year-old boy presents with nausea and vomiting. He is assessed with a contrast-enhanced MRI. What is the most likely diagnosis? 

What is the most likely cause of the peripherally enhancing lesions shown in the accompanying MRI? 

You are scanning a 45-year-old man and when getting a long-axis view of the testicle, this is the image you produce. What is the most likely diagnosis?

When suspecting metastatic nodal disease of the parotid gland, a history of cancer in which location would be the most suspicious?

An 80-year-old woman known for a chronic bone disorder with markedly elevated serum alkaline phosphatase. What is the most likely chronic bone disease shown on her lateral skull radiograph?

A 40-year-old man with end-stage renal disease on continuous ambulatory peritoneal dialysis (CAPD). which complication has occurred in this patient and shown on this selected enhanced CT image?

A 40-year-old woman with a history of dysphagiia for both solids and liquids. A barium meal was performed. What is the most likely diagnosis shown on this selected image?

Given the CT findings, what stage is this colon cancer?

A 20-year-old previously well woman presents with headaches and an MRI is performed. What is the most likely diagnosis?

A 25-year-old male, previously well, presents with 3 weeks of increasing headache, and an MRI is performed. What is the most likely diagnosis?

A 50 year old female presents with a new lump in the left breast and undergoes contrast mammography.  The left CC recombined image is shown.  The low energy image showed no additional finding. 

The most appropriate next step would be:

A 50 year old female presents with a new lump in the left breast and undergoes contrast mammography.  The left MLO recombined image is shown.  The low energy image showed no additional finding. 

What is the most likely diagnosis?

A 65-year-old man with a history appendicectomy presents with complaints of right lower quadrant pain. On examination, he was afebrile, hemodynamically stable and his biochemical markers and CBC were normal. CT axial and coronal images are presented. What is the most likely diagnosis?

A 35-year-old female presents for local staging of biopsy-proven squamous cell carcinoma of the cervix. MRI shows a 1.5 cm intermediate T2 signal intensity lesion in the anterior lip of the cervix at the squamocolumnar junction with no involvement of the upper vagina. In addition, there is a rounded 9 mm short-axis left obturator node that also returns an intermediate T2 signal. What is the International Federation of Gynaecology and Obstetrics (FIGO) stage based on imaging?

Based on this T2 weighted fat sat image, what is the most likely diagnosis of this solitary solid splenic lesion?

A 35-year-old man presents with complaints of diarrhoea and bleeding per rectum. A single spot double-contrast barium enema image is presented. What is the most likely diagnosis?

Which of the following brain tumours is typically associated with the presence of Rosenthal fibres?

Which of the following is the most common location of a central neurocytoma?

This adolescent presents with left anterior knee pain. They are on no medications. A plain film is normal and subsequent imaging is performed. Given the appearance of the CT, what should be done next (imaging/treatment)?

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?