Case: Chest radiograph #74210787
Chest Beginner
Read this radiograph systematically before revealing the answer. What is the main abnormality?

Tip: scroll or pinch to zoom, drag to pan, and try Invert.
Answer: Pneumonia (consolidation)
What to look for in pneumonia (consolidation)
- Dense RUL opacity bounded by the horizontal fissure.
- Air bronchograms.
- No volume loss.
Description by the image author (may be in another language): Chest radiograph of a 67 year old man, showing lobar pneumonia , affecting the right middle lobe. Culture from the nasopharynx only showed Moraxella catarrhalis , which is probably not the pathogen of the lung..
Educational case. The diagnosis comes from the image's documented source; the "what to look for" list describes the condition in general and is not a report of this individual image.





