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Table 4 MRI measurements including whole breast volume, fibroglandular tissue (FGT) and residual fibroglandular breast tissue (RFGT)

From: Residual fibroglandular breast tissue after mastectomy is associated with an increased risk of a local recurrence or a new primary breast cancer"

 

THERAPEUTIC ME INDICATION

PROPHYLACTIC ME INDICATION

 

NO IBLR/NP

(DF cohort)

WITH IBLR/NP

(D-cohort)

p-VALUE

NO IBLR/NP (DF-cohort)

WITH IBLR/NP

(D-cohort)

Whole breast volume (median cm3, IQR) a

615.80 (409.90; 851.10)

455.00 (250.20; 814.00)

.169

388.40 (217.10; 632.850)

NA

Fibroglandular tissue (FGT)

 - Volume (median cm3, IQR)

69.950 (33.68; 128.10)

40.255 (196.10; 139.70)

.351

50.31 (34.485; 78.565)

NA

Residual fibroglandular tissue (RFGT)

 - Medial (median mm, IQR)

0 (0; 1.0)

2.0 (1.0; 2.0)

.003

0 (0; 2.0)

NA

 - Lateral (median mm, IQR)

1.0 (0; 3.0)

1.0 (1.0; 2.0)

.910

2.0 (1.0; 3.0)

NA

 - Retroareolar (median mm, IQR)

1.0 (0; 2.0)

4.0 (3.0; 5.0)

.029

2.0 (0; 4.0)

NA

 - Volume (median mm3, IQR)

155.0 (20.0; 1779.5)

1776.5 (107.0; 3152.0)

.017

693.50 (50.0; 2970.0)

100.0

  1. All variables were analysed per breast. IBLR In-breast local recurrence, NP New primary tumor
  2. aincluding skin, subcutaneous fat and fibroglandular breast tissue measured preoperatively