IMPORTANT: We currently have a number of bugs related to image cropping and are actively trying to resolve them. In the meantime, we have disabled cropping. Apologies for any inconvenience. Stay informed: radiopaedia.org/chat

Perifissural nodule

Case contributed by Andrew Dixon
Diagnosis almost certain

Presentation

Incidental finding on chest CT.

Patient Data

Age: 65
Gender: Female
ct

7mm well-defined nodule with attachment to the oblique fissure. It appears triangular in the axial plane and is flattened in the coronal plane. Appearance is consistent with a typical perifissural nodule.  

Annotated image

Typical perifissural nodule (blue arrow) attached to the oblique fissure (yellow arrows). 

Case Discussion

Example of a typical perifissural nodule on CT. 

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.