Stefan Tigges on Radiopaedia.org

Stefan Tigges

Professor of Radiology, Emory University School of Medicine

Thoracic Radiologist interested in education and using comics/drawing to teach. No pharmaceutical or medical device conflict of interest.

Disclosures:
  • Nothing to disclose
169 results found
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Question 2316

What complication of transtentorial herniation has occured?

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Question 2317

In what structure did the intra-arterial clot shown on this CT image most likely form?

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Question 2318

This patient presents with a 3-hour history of sudden onset hemiparesis. Which hemisphere is abnormal and why?

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Question 2319

What is the most likely etiology of this patient's intracerebral hemorrhage?

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Question 2320

What is the most likely location of the ruptured aneurysm that resulted in this hemorrhage?

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Question 2321

A 40-year-old man presents with a headache. What is the best interpretation of the non-contrast head CT shown below?

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Question 2322

A 2-month-old presents with seizures. What is the best interpretation of the T1 weighted post-contrast MRI image shown below?

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Question 2323

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?

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Question 2324

An 85-year-old woman presents with new-onset seizures. What is the best interpretation of this coronal head CT image obtained after intravenous contrast administration?

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Question 2330

What is the best interpretation of the CT findings below?

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Question 2331

Which of the following structures is most likely to have an abnormal appearance on CT head taken 2-4 hours after acute middle cerebral artery occlusion?

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Question 2638

Name the contents and direction of flow within the arrowed structure.

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Question 2639

What segment of bowel is arrowed?

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Question 2640

Which of the following is the most likely cause of appendicitis in this case?

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Question 2641

Which of the following is the location for the obstructing urinary tract stone?

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Question 2642

Which is the best CT finding to distinguish interstitial from necrotizing pancreatitis?

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Question 2643

What is the most likely cause of obstruction in this patient with SBO?

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Question 2645

Which CT findings favor chronic over acute interstitial pancreatitis?

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Question 2646

How do direct and indirect hernias differ with respect to vessel displacement?

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Question 2647

What is the most likely cause of this large bowel obstruction with transition point at the splenic flexure on this coronal image?