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EJNMMI Reports

Table 4 Comparison of the three different criteria for delineating the lesions: qualitative performance

From: Exploring the applicability of a lesion segmentation method on [18F]fluorothymidine PET/CT images in diffuse large B-cell lymphoma

Stage

Reference tissue†

Qualitative performance*

Criterion 1 (%)

Criterion 2 (%)

Criterion 3 (%)

Baseline

Liver

9.0

0.0

91.0

Bone marrow

8.3

8.3

83.3

iPET

Liver

91.0

0.0

9.0

Bone marrow

66.7

0.0

33.3

fPET

Liver

0.0

71.0

29.0

Bone marrow

33.3

44.4

22.2

  1. *Qualitative performance expressed in terms of the percentage of cases for which one method was preferred over the others
  2. †For each reference tissue, we considered only those patients whose uptake lay within the normal range
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