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Comparative study of density analysis using automated whole breast ultrasound and MRI
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10.1118/1.3523617
/content/aapm/journal/medphys/38/1/10.1118/1.3523617
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/38/1/10.1118/1.3523617

Figures

Image of FIG. 1.
FIG. 1.

The ABUS image in A view. (a) Skin, (b) nipple, (c) subcutaneous fat, (d) glandular tissues, (e) retromammary fat, (f) pectoral major muscle and pectoral minor muscle, and (g) rib.

Image of FIG. 2.
FIG. 2.

Cutting the overlapping region at the nipple manually.

Image of FIG. 3.
FIG. 3.

Manually cutting the nonbreast region below the retromammary fat. (a) A view. (b) C view. (c) B view. In this case, the cutting line is adopted to cut the nonbreast region below the retromammary fat.

Image of FIG. 4.
FIG. 4.

A MRI image of the case in Fig. 1. (a) The sagittal slices 26, 33, and 36 of 3-D MRI image of right breast. (b) The sagittal slices 116, 122, and 130 of 3-D MRI image of left breast.

Image of FIG. 5.
FIG. 5.

The bounding box in three views for the MRI breast region. (a) The nipple is indicated by the arrow in the transverse view. (b) The lateral boundary of the breast is determined by the bounding box in the coronal view. The arrow indicates the minimum connected region of the two breasts which could separate the two breasts. (c) The segmented breast is determined by the bounding box and the pectoralis muscle is indicated by the arrow in the transverse view. (d) The segmented breast is determined by the bounding box in the sagittal view.

Image of FIG. 6.
FIG. 6.

(a) The original image and the result of FCM classifier on ABUS for a BIRADS mammographic density grade 2 case. (b) The original image and the result of FCM classifier on ABUS for a BIRADS mammographic density grade 3 case. The breast density is 30.28%. (c) The original image and the result of FCM classifier on MRI for the case in (a). The breast density on MRI is 18.66%. (d) The result of FCM classifier in 3-D breast MRI image for the case in (b). The breast density of 3-D breast MRI image is 35.68%.

Image of FIG. 7.
FIG. 7.

The line regression of density of 3-D breast MRI and ABUS images and the correlation factor .

Image of FIG. 8.
FIG. 8.

The line regression of volume of 3-D breast MRI and ABUS images and the correlation factor .

Tables

Generic image for table
TABLE I.

The intraoperator and interoperator variation analysis on ABUS and MRI images. The cluster number of FCM was selected by the operator. The first three were selected by operator 1 three times. The fourth and fifth values were the cluster numbers of FCM selected by operators 2 and 3.

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/content/aapm/journal/medphys/38/1/10.1118/1.3523617
2010-12-22
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Comparative study of density analysis using automated whole breast ultrasound and MRI
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/38/1/10.1118/1.3523617
10.1118/1.3523617
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