Which of these images most likely represents a case of pulmonary Langerhans cell histiocytosis?

Which is not a common feature of sarcoidosis?

This 65-year-old woman presents with acute chest pain, mild troponin elevation and normal ECG. A thoraco-abdominal contrast-enhanced CT scan is performed. What is the most likely diagnosis?

A 65-year-old woman presents with complaints of painful left jaw swelling. Two CT scan images are presented. What is the most likely diagnosis?

Which statement is NOT TRUE regarding lymphatic compartment disease in the lung?

All the following points may be the etiologies of bilateral and symmetrical sacroiliitis EXCEPT...

Which of the following fetal complications is NOT seen in post-date pregnancy?

What systemic condition, often also treated with steroids, is found in approximately 50% of patients with giant cell arteritis (GCA)?

Which of the following factors is (are) considered as the etiologies of hepatic infarction?

Which is the most common type of emphysema?

Which lobe is most commonly affected in congenital lobar overinflation?

Which is the characteristic radiology finding in lymphangioleiomyomatosis?

What is the most common type of hiatus hernia?

Which of the following features describes the most common type of the oseophageal atresia?

What is the most common type of head and neck paraganglioma?

All the following are considered as predisposing risk factors for contrast-induced nephropathy (CIN) EXCEPT...

The following can be the cause of an elbow joint effusion EXCEPT...

All the following are considered as predisposing factors for Achilles tendon tear EXCEPT...

Regarding the prehepatic causes of portal hypertension, which of the following is FALSE? 

What is the most common cause of chronic obstructive pulmonary disease (COPD)?