Which pattern of lung cysts on CT would be expected in Birt-Hogg-Dubé syndrome (folliculin gene-associated syndrome)?

Which lung segment is this?

Axial HRCT image of the chest in a 60-year-old female non-smoker with shortness of breath and a dry cough for several years. Which is the most likely diagnosis? 

What is the most characteristic feature of cancers that may lead to "length time" bias?

A 25 year old female presents with enlarged cervical lymph nodes, subsequent CT confirmed calcified cervical lymphadenopathy as well as bilateral adrenal masses. What is the most likely underlying condition?

What is the most common cause of constrictive pericarditis?

Which of the following lung cancers is NOT associated with cigarette smoking?

A 7-year-old boy is brought to the A&E department with a cough and shortness of breath. There has been some history of fever, but no systemic upset. The chest radiograph reveals an ovoid opacity in the right mid-zone. The edges of the lesion are well defined. There are no air bronchograms. What is the most likely diagnosis?

Globally, approximately what percentage of patients with active tuberculosis are co-infected with HIV?

Which patient has rheumatoid arthritis?

Which patient has hydatid disease?

Which imaging test is best to confirm the presence pulmonary air-trapping?

Which of the following laboratory markers has been most closely associated with COVID-19?

What is the best definition of the "critical point" in the spread of cancer?

Which spinal/paraspinal mass typically has a "target sign" appearance on MRI?

What clinical history should raise the suspicion for actinomycosis infection? 

Which of these images most likely represents a case of paraseptal emphysema?

What condition does this individual most likely have? 

What is seen in the right upper zone in this 90-year-old patient who has a past medical history remarkable for tuberculosis that was treated over 70 years ago?

Which structures can be seen a 3-chamber view of the heart?