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Table 2 Characteristics of the first 100 patients included in the MONET – study

From: Breast MRI in nonpalpable breast lesions: a randomized trial with diagnostic and therapeutic outcome – MONET – study

n

100

Referred from University Medical Center

30

Mean age (range)

56.1 (39.9 – 75.0)

Number of lesions detected on mammography

108

   density only

41

   microcalcifications only

54

   both

9

   other

2

   unknown

2

BI-RADS classification mammography

 

   3

45

   4

47

   5

11

   unknown

5

Number of lesions detected on ultrasound (mammographically occult lesions)

1

BI-RADS classification ultrasound

 

   3

1

   4

-

   5

-

   unknown

-

Diagnosis LCNB

113*

   non-representative

2 (1.7%)

   normal breast tissue

9 (8.0%)

   benign

62 (54.9%)

   non-invasive carcinoma

21 (18.6%)

   invasive carcinoma

19 (16.8%)

  1. * 4 lesions were sampled twice because of inconclusive results