Which of the following is the most common cause of insufficiency fractures?

What is the most common primary malignancy of the skeleton?

Axial CT image of the head in an 80 year old male. What is the most likely cause for this skull appearance? 

This 45-year-old woman presented with left proptosis and an MRI was performed. What is the most likely diagnosis? 

What is the name given to this radiographic view of the hands?

A young man with sickle cell anemia presented to the emergency department with a 2-day history of severe headache and head swelling. His neurological examinations, including fundoscopy and CSF analysis, were within normal limits. An MRI brain was performed. What is the most likely diagnosis?

What causative agent is responsible for COVID-19? 

A 75-year-old woman presents with leg weakness. What is the best interpretation of the findings on this image from a head CT with intravenous contrast?

An incidental finding is seen on this axial contrast-enhanced CT image. Which malignancy is this patient at increased risk of? 

All of the following could be an underlying predisposing factor for this patient, EXCEPT...

Which of the following is LEAST likely to cause a lobar pneumonia? 

A 70-year-old female presents with hand pain. A PA hand and wrist x-ray is shown. What is the most likely diagnosis?

A 40-year-old man presented with a few days' history of left orbital pain and visual loss. An MRI was performed. What is the most likely diagnosis shown on this selected enhanced coronal T1 FS image?

The radiographic appearance seen on this skull radiograph (lateral view) has been described in patients with the following diseases EXCEPT one?

A 65-year-old man with a history appendectomy 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?

What finding on this scan indicates active bleeding?

What is the diagnosis?

A 75-year-old female presents with bilateral hand pain. PA hand x-rays are shown. What is the most likely diagnosis?

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