Experiences with a teleradiology system in pulmonary diseases

L. Korsoff (Corresponding Author), Timo Kallio, Martti Kormano, Juhani Heinilä

Research output: Contribution to journalArticleScientificpeer-review

Abstract

Chest radiographs of 43 patients were digitized and sent from Paimio Hospital to Turku University Central Hospital. Fifteen of the patients had a pneumothorax, 12 had interstitial lung disease and 16 were controls.
The images were interpreted by 5 radiologists during their duty shift. The first reading session consisted of images with 1 024 × 1 024 pixel resolution and the second of images with 2 048 × 2 048 matrix followed by the original chest radiographs. ROC studies were performed from the answers based on a 5-point confidence scale. In the pneumothorax group the average area under the individual ROC curve was 0.928 with the 1 024 × 1 024 matrix and 0.983 with the 2 048 × 2 048 matrix.
In the fibrosis group the average area under the individual ROC curve was 0.877 with the 1 024 × 1 024 matrix and 0.831 with the 2 048 × 2 048 matrix.
The results suggest that the 1 024 × 1 024 matrix is adequate in the detection of pneumothoraces and fibrosis.
Original languageEnglish
Pages (from-to)37-40
JournalActa Radiologica
Volume36
Issue number1
DOIs
Publication statusPublished - 1995
MoE publication typeA1 Journal article-refereed

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Teleradiology
Pneumothorax
Lung Diseases
ROC Curve
Fibrosis
Thorax
Interstitial Lung Diseases
Reading

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Korsoff, L. ; Kallio, Timo ; Kormano, Martti ; Heinilä, Juhani. / Experiences with a teleradiology system in pulmonary diseases. In: Acta Radiologica. 1995 ; Vol. 36, No. 1. pp. 37-40.
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abstract = "Chest radiographs of 43 patients were digitized and sent from Paimio Hospital to Turku University Central Hospital. Fifteen of the patients had a pneumothorax, 12 had interstitial lung disease and 16 were controls. The images were interpreted by 5 radiologists during their duty shift. The first reading session consisted of images with 1 024 × 1 024 pixel resolution and the second of images with 2 048 × 2 048 matrix followed by the original chest radiographs. ROC studies were performed from the answers based on a 5-point confidence scale. In the pneumothorax group the average area under the individual ROC curve was 0.928 with the 1 024 × 1 024 matrix and 0.983 with the 2 048 × 2 048 matrix. In the fibrosis group the average area under the individual ROC curve was 0.877 with the 1 024 × 1 024 matrix and 0.831 with the 2 048 × 2 048 matrix. The results suggest that the 1 024 × 1 024 matrix is adequate in the detection of pneumothoraces and fibrosis.",
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Korsoff, L, Kallio, T, Kormano, M & Heinilä, J 1995, 'Experiences with a teleradiology system in pulmonary diseases', Acta Radiologica, vol. 36, no. 1, pp. 37-40. https://doi.org/10.1177/028418519503600106

Experiences with a teleradiology system in pulmonary diseases. / Korsoff, L. (Corresponding Author); Kallio, Timo; Kormano, Martti; Heinilä, Juhani.

In: Acta Radiologica, Vol. 36, No. 1, 1995, p. 37-40.

Research output: Contribution to journalArticleScientificpeer-review

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AB - Chest radiographs of 43 patients were digitized and sent from Paimio Hospital to Turku University Central Hospital. Fifteen of the patients had a pneumothorax, 12 had interstitial lung disease and 16 were controls. The images were interpreted by 5 radiologists during their duty shift. The first reading session consisted of images with 1 024 × 1 024 pixel resolution and the second of images with 2 048 × 2 048 matrix followed by the original chest radiographs. ROC studies were performed from the answers based on a 5-point confidence scale. In the pneumothorax group the average area under the individual ROC curve was 0.928 with the 1 024 × 1 024 matrix and 0.983 with the 2 048 × 2 048 matrix. In the fibrosis group the average area under the individual ROC curve was 0.877 with the 1 024 × 1 024 matrix and 0.831 with the 2 048 × 2 048 matrix. The results suggest that the 1 024 × 1 024 matrix is adequate in the detection of pneumothoraces and fibrosis.

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