When a child is born, the epiphysis is composed of cartilage. As it ossifies it is replaced by bone. What is the correct order of ossification?

A 60-year-old man known for end-stage renal failure. What is the most likely bone disease shown on his lateral skull radiograph?

Which of the following radiopharmaceuticals is used in bone SPECT-CT?

Bone marrow reconversion happens in the following EXCEPT...

Which of these is NOT a potential indication for bone SPECT-CT?

Which imaging feature is most indicative of Langerhans cell histiocytosis (LCH) in the lungs?

Which of the following bones undergoes fatty marrow conversion first? 

Which tumor is the most common underlying cause of patients with autoimmune encephalitis?

As a general rule, patients with antibodies causing autoimmune encephalitis (limbic encephalitis) which target intracellular antigens are more likely to...

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?

Lumbar radiographs in a 65-year-old male with lower back pain reveal an indistinct margin of the superior endplate of L4. Which of the following is most likely to account for this?

Patients with alpha-1-antitrypsin deficiency are at increased risk of which of the following cancers?

Which patient has Langerhans cell histiocytosis? 

12-year-old with wrist pain. What is the most likely diagnosis?

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? 

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?

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