Questions

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A preterm neonate has been treated in the neonatal ICU since birth and is now 10 days old. They are intubated and ventilated, and while there was an initial good response to surfactant treatment, their oxygen requirement has increased over the last 12 hours.

A chest x-ray is performed and demonstrates linear lucency extending from the hila towards the periphery of the film. What is the likely diagnosis?

Which of the following descriptions of benign or malignant focal lung opacities is correct?

Various morphological features of focal lung opacities indicate that either the lung is in charge (benign etiologies) or the lesion is in charge (malignant etiologies). Which of the following features show the lung being in charge?

75 years old man with fatigue, dyspnea on exertion and a history of bilateral carpal tunnel syndrome.

RTA reported difficulties obtaining a good inversion time in this patient. The width of the interventricular septum measured 20 mm. T1 was in the range of 1170-1250 ms that is >6 standard deviations above the normal range. Myocardial extracellular cellular volume (ECV) >55%.

What is the most likely diagnosis?

A 65-year-old man presents with acute respiratory distress. What is the most likely diagnosis?

Which of the accompanying images represents a CT of the posterior fossa reconstructed using a bony algorithm and displayed with routine brain window (W: 80, L: 40)?

Which of the accompanying images would be best to assess for the presence of an undisplaced base of skull fracture?

A four-year-old, previously well, presents with headaches and undergoes a contrast enhanced MRI. What is the most likely diagnosis?

A young man, previously well, presents with persistent headaches. He undergoes a contrast-enhanced MRI. What is the most likely diagnosis? 

A young adult, previously well, presents with headaches. They undergo a contrast-enhanced MRI. What is the most likely diagnosis? 

An 80-year-old female, with a history of pancreatic carcinoma five years previously, now in remission with no known systemic metastatic disease, presents with headaches. She undergoes a contrast enhanced MRI. What is the most likely diagnosis? 

A 20-year-old woman presents with headaches and undergoes a contrast enhanced MRI. What is the most likely diagnosis? 

A 70-year-old female, previously well, presents with vague headaches and undergoes a contrast enhanced MRI. What is the most likely diagnosis?

Which of the following images most likely represents a patient with normal pressure hydrocephalus?

Which of the following images most likely represents a patient with frontotemporal lobar degeneration?

Which of the following images most likely represents a patient with Alzheimer disease?

Which diagnosis is most strongly suggested on this axial T2 fat-saturated image?

A 66-year-old woman presents with nausea, headache and vomiting. She undergoes a contrast-enhanced MRI. What is the most likely diagnosis? 

A 3-year-old girl presents with a headache. She undergoes a contrast enhanced MRI. What is the most likely diagnosis?