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- Title
Subsolid pulmonary nodule morphology and associated patient characteristics in a routine clinical population.
- Authors
Mets, Onno; Jong, Pim; Scholten, Ernst; Chung, Kaman; Ginneken, Bram; Schaefer-Prokop, Cornelia; Mets, Onno M; de Jong, Pim A; Scholten, Ernst Th; van Ginneken, Bram; Schaefer-Prokop, Cornelia M
- Abstract
<bold>Objectives: </bold>To determine the presence and morphology of subsolid pulmonary nodules (SSNs) in a non-screening setting and relate them to clinical and patient characteristics.<bold>Methods: </bold>A total of 16,890 reports of clinically obtained chest CT (06/2011 to 11/2014, single-centre) were searched describing an SSN. Subjects with a visually confirmed SSN and at least two thin-slice CTs were included. Nodule volumes were measured. Progression was defined as volume increase exceeding the software interscan variation. Nodule morphology, location, and patient characteristics were evaluated.<bold>Results: </bold>Fifteen transient and 74 persistent SSNs were included (median follow-up 19.6 [8.3-36.8] months). Subjects with an SSN were slightly older than those without (62 vs. 58 years; p = 0.01), but no gender predilection was found. SSNs were mostly located in the upper lobes. Women showed significantly more often persistent lesions than men (94 % vs. 69 %; p = 0.002). Part-solid lesions were larger (1638 vs. 383 mm3; p < 0.001) and more often progressive (68 % vs. 38 %; p = 0.02), compared to pure ground-glass nodules. Progressive SSNs were rare under the age of 50 years. Logistic regression analysis did not identify additional nodule parameters of future progression, apart from part-solid nature.<bold>Conclusions: </bold>This study confirms previously reported characteristics of SSNs and associated factors in a European, routine clinical population.<bold>Key Points: </bold>• SSNs in women are significantly more often persistent compared to men. • SSN persistence is not associated with age or prior malignancy. • The majority of (persistent) SSNs are located in the upper lung lobes. • A part-solid nature is associated with future nodule growth. • Progressive solitary SSNs are rare under the age of 50 years.
- Subjects
EUROPE; PULMONARY nodules; CHEST examination; TOMOGRAPHY; LUNG tumors; LUNG disease diagnosis; DIAGNOSIS; AGE distribution; COMPUTED tomography; LUNGS; SEX distribution; SOLITARY pulmonary nodule
- Publication
European Radiology, 2017, Vol 27, Issue 2, p689
- ISSN
0938-7994
- Publication type
journal article
- DOI
10.1007/s00330-016-4429-9