Usefulness of Texture Analysis in Differentiating Transient from Persistent Part-solid Nodules(PSNs): A Retrospective Study
Figure 2
An example of texture analysis of a persistent PSN.
(A) Thin-section CT scan shows an 18 mm PSN (arrow) with fissural retraction in the right lower lobe in a 62-year-old male. (B) Texture analysis of the PSN shows high mean attenuation and low negative skewness (−305.5 Hounsfield units and −0.378, respectively). As this PSN was persistent, he underwent lobectomy and was diagnosed as having adenocarcinoma.