Recognizing Features of ILD on HRCT – Radiology Rounds

Question 1:

quiz features of ild hrct

quiz features of ild 2 hrct

Images courtesy of and used with permission from Jonathan Goldin, MD, PhD.

In the above images, please identify which demonstrates honeycomb cysts typical of usual interstitial pneumonia (UIP) vs subpleural cysts of another etiology.

Correct!

The image to the left represents subpleural cysts of another etiology. The image to the right demonstrates subpleural honeycomb cysts typical of usual interstitial pneumonia.

Incorrect!

The image to the left represents subpleural cysts of another etiology. The image to the right demonstrates subpleural honeycomb cysts typical of usual interstitial pneumonia.

Question 2:

Air trapping is best identified on__________scans.

Correct!

It is often helpful to obtain expiratory scans in additional to traditional inspiratory scans to identify air trapping.

Incorrect!

Air trapping is most easily identified on expiratory scans, not inspiratory scans.

Question 3:

quiz zoom image full width hrct

Image courtesy of and used with permission from Sudhakar Pipavath, MD.

The term that describes the highlighted region above is:

Correct!

This highlighted region of this image clearly demonstrates traction bronchiectasis, resulting from fibrotic tissue “pulling” on the bronchi.

Incorrect!

This highlighted region of this image demonstrates traction bronchiectasis, resulting from fibrotic tissue “pulling” on the bronchi.

Recognizing and Differentiating Between Features of ILD on HRCT

Identification of Comorbid Conditions on HRCT

Idiopathic Pulmonary Fibrosis (an Update) and Progressive Pulmonary Fibrosis in Adults: An Official ATS/ERS/JRS/ALAT Clinical Practice Guideline