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Table 3 Classification of lesions according to morphological features

From: Brain metastases assessment by FDG-PET/CT: can it eliminate the necessity for dedicated brain imaging?

Lesions Patients no. (n = 30) % Lesions no. (n = 71) %
Size
 0.1-<2 cm 18 60.0 37 52.1
 2-<4 cm 22 73.3 27 38.0
 4-6 cm 8 26.7 7 9.9
Shape
 Ovoid 24 80.0 29 40.8
 Rounded 18 60.0 42 59.2
Special features
 Calcification 2 6.7 8 11.3
 Hemorrhage 2 6.7 2 2.8
Enhancement
 Marginal 14 46.7 32 45.1
 Ring 6 20 12 16.9
 Intralesional 10 33.3 10 14.1
 None 8 26.7 17 23.9
Edema 12 40.0 13 18.3
SUV max*
 0.2- < 10 28 93.3 61 85.9
 10 up to20 12 40.0 10 14.1
Compared to contralateral brain matter
  Less than 14 46.7 41 57.7
  Equal 2 6.7 27 38.0
  More than 14 46.7 3 4.2
  1. *SUV standardized uptake value