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Nodule classification on low-dose unenhanced CT and standard-dose enhanced CT: Inter-protocol agreement and analysis of interchangeability
DC Field | Value | Language |
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dc.contributor.author | Lee, Kyung Hee | - |
dc.contributor.author | Lee, Kyung Won | - |
dc.contributor.author | Park, Ji Hoon | - |
dc.contributor.author | Han, Kyunghwa | - |
dc.contributor.author | Kim, Jihang | - |
dc.contributor.author | Lee, Sang Min | - |
dc.contributor.author | Park, Chang Min | - |
dc.date.accessioned | 2024-08-08T01:31:45Z | - |
dc.date.available | 2024-08-08T01:31:45Z | - |
dc.date.created | 2019-06-13 | - |
dc.date.created | 2019-06-13 | - |
dc.date.issued | 2018-05 | - |
dc.identifier.citation | Korean Journal of Radiology, Vol.19 No.3, pp.516-525 | - |
dc.identifier.issn | 1229-6929 | - |
dc.identifier.uri | https://hdl.handle.net/10371/206496 | - |
dc.description.abstract | Objective: To measure inter-protocol agreement and analyze interchangeability on nodule classification between low-dose unenhanced CT and standard-dose enhanced CT. Materials and Methods: From nodule libraries containing both low-dose unenhanced and standard-dose enhanced CT, 80 solid and 80 subsolid (40 part-solid, 40 non-solid) nodules of 135 patients were selected. Five thoracic radiologists categorized each nodule into solid, part-solid or non-solid. Inter-protocol agreement between low-dose unenhanced and standard-dose enhanced images was measured by pooling kappa values for classification into two (solid, subsolid) and three (solid, part-solid, non-solid) categories. Interchangeability between low-dose unenhanced and standard-dose enhanced CT for the classification into two categories was assessed using a pre-defined equivalence limit of 8 percent. Results: Inter-protocol agreement for the classification into two categories {kappa, 0.96 (95% confidence interval [CI], 0.94-0.98)} and that into three categories (kappa, 0.88 [95% CI, 0.85-0.92]) was considerably high. The probability of agreement between readers with standard-dose enhanced CT was 95.6% (95% CI, 94.5-96.6%), and that between low-dose unenhanced and standard-dose enhanced CT was 95.4% (95% CI, 94.7-96.0%). The difference between the two proportions was 0.25% (95% CI, -0.85-1.5%), wherein the upper bound CI was markedly below 8 percent. Conclusion: Inter-protocol agreement for nodule classification was considerably high. Low-dose unenhanced CT can be used interchangeably with standard-dose enhanced CT for nodule classification. | - |
dc.language | 영어 | - |
dc.publisher | 대한영상의학회 | - |
dc.title | Nodule classification on low-dose unenhanced CT and standard-dose enhanced CT: Inter-protocol agreement and analysis of interchangeability | - |
dc.type | Article | - |
dc.identifier.doi | 10.3348/kjr.2018.19.3.516 | - |
dc.citation.journaltitle | Korean Journal of Radiology | - |
dc.identifier.wosid | 000430314100017 | - |
dc.identifier.scopusid | 2-s2.0-85045547826 | - |
dc.citation.endpage | 525 | - |
dc.citation.number | 3 | - |
dc.citation.startpage | 516 | - |
dc.citation.volume | 19 | - |
dc.identifier.kciid | ART002352819 | - |
dc.description.isOpenAccess | Y | - |
dc.contributor.affiliatedAuthor | Lee, Kyung Won | - |
dc.contributor.affiliatedAuthor | Park, Chang Min | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.subject.keywordPlus | IMAGE QUALITY ASSESSMENT | - |
dc.subject.keywordPlus | SOLID PULMONARY NODULES | - |
dc.subject.keywordPlus | CHEST CT | - |
dc.subject.keywordPlus | ITERATIVE RECONSTRUCTION | - |
dc.subject.keywordPlus | LUNG-CANCER | - |
dc.subject.keywordPlus | MANAGEMENT | - |
dc.subject.keywordPlus | STATEMENT | - |
dc.subject.keywordAuthor | Pulmonary nodules | - |
dc.subject.keywordAuthor | Classification | - |
dc.subject.keywordAuthor | Subsolid nodule | - |
dc.subject.keywordAuthor | Ground-glass nodule | - |
dc.subject.keywordAuthor | Computed tomography | - |
dc.subject.keywordAuthor | Low-dose CT | - |
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