Application of Sonographic BI-RADS to Synchronous Breast Nodules Detected in Patients with Breast Cancer
Suk Jung Kim1,2,
Eun Young Ko1,
Jung Hee Shin1,
Seok Seon Kang1,
Sung Hee Mun1,3,
Boo-Kyung Han1 and
Eun Yoon Cho4
1 Department of Radiology and Center for Imaging Science, Samsung Medical
Center, Sungkyunkwan University School of Medicine, 50 Irwon-dong, Gangnam-ku,
Seoul 135-710, Korea.
2 Department of Radiology, Inje University College of Medicine, Busan Paik
Hospital, Busan, Korea.
3 Department of Radiology, Catholic University of Daegu, College of Medicine,
Daegu, Korea.
4 Department of Pathology, Samsung Medical Center, Sungkyunkwan University
School of Medicine, Seoul, Korea.

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Fig. 2A —49-year-old woman with invasive ductal carcinoma in upper
outer quadrant of left breast managed with partial mastectomy. Preoperative
sonograms show malignant mass in upper outer quadrant of left breast
(A) and synchronous nodule (arrow) in upper outer quadrant of
contralateral breast (B). Synchronous nodule was flat and isoechoic and
classified category 3. However, nodule was confirmed to be ductal carcinoma in
situ.
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Fig. 2B —49-year-old woman with invasive ductal carcinoma in upper
outer quadrant of left breast managed with partial mastectomy. Preoperative
sonograms show malignant mass in upper outer quadrant of left breast
(A) and synchronous nodule (arrow) in upper outer quadrant of
contralateral breast (B). Synchronous nodule was flat and isoechoic and
classified category 3. However, nodule was confirmed to be ductal carcinoma in
situ.
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Fig. 3 —44-year-old woman with invasive ductal carcinoma in upper
outer quadrant of right breast managed with breast-conserving surgery.
Preoperative sonogram shows malignant mass (M) in upper outer quadrant of
right breast and synchronous nodule (arrow). Synchronous nodule was
irregular hypoechoic mass classified category 5. However, nodule was confirmed
to be stromal fibrosis.
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Fig. 4A —50-year-old woman with invasive ductal carcinoma in upper
inner quadrant and microinvasive ductal carcinoma in lower inner quadrant of
right breast managed with modified radical mastectomy. Preoperative sonograms
show malignant masses in upper inner quadrant (A) and lower inner
quadrant (B) of right breast and synchronous nodule (arrow) in
contralateral breast (C). Synchronous nodule was well-circumscribed
oval hypoechoic mass classified category 3. Nodule was confirmed to be
intraductal papilloma.
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Fig. 4B —50-year-old woman with invasive ductal carcinoma in upper
inner quadrant and microinvasive ductal carcinoma in lower inner quadrant of
right breast managed with modified radical mastectomy. Preoperative sonograms
show malignant masses in upper inner quadrant (A) and lower inner
quadrant (B) of right breast and synchronous nodule (arrow) in
contralateral breast (C). Synchronous nodule was well-circumscribed
oval hypoechoic mass classified category 3. Nodule was confirmed to be
intraductal papilloma.
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Fig. 4C —50-year-old woman with invasive ductal carcinoma in upper
inner quadrant and microinvasive ductal carcinoma in lower inner quadrant of
right breast managed with modified radical mastectomy. Preoperative sonograms
show malignant masses in upper inner quadrant (A) and lower inner
quadrant (B) of right breast and synchronous nodule (arrow) in
contralateral breast (C). Synchronous nodule was well-circumscribed
oval hypoechoic mass classified category 3. Nodule was confirmed to be
intraductal papilloma.
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Fig. 5A —43-year-old woman with invasive ductal carcinoma in upper
outer quadrant of right breast managed with breast-conserving surgery.
Preoperative sonograms show malignant mass in upper outer quadrant of right
breast (A) and two synchronous nodules in same (B) and different
(upper inner) (C) quadrants of ipsilateral breast. One nodule
(arrow, B) in same quadrant is well-circumscribed oval
hypoechoic mass classified category 3. Lesion in different quadrant
(arrow, C) is cluster of small cystic nodules classified
category 3. However, these lesions were confirmed as another focus of invasive
ductal carcinoma and ductal carcinoma in situ, respectively.
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Fig. 5B —43-year-old woman with invasive ductal carcinoma in upper
outer quadrant of right breast managed with breast-conserving surgery.
Preoperative sonograms show malignant mass in upper outer quadrant of right
breast (A) and two synchronous nodules in same (B) and different
(upper inner) (C) quadrants of ipsilateral breast. One nodule
(arrow, B) in same quadrant is well-circumscribed oval
hypoechoic mass classified category 3. Lesion in different quadrant
(arrow, C) is cluster of small cystic nodules classified
category 3. However, these lesions were confirmed as another focus of invasive
ductal carcinoma and ductal carcinoma in situ, respectively.
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Fig. 5C —43-year-old woman with invasive ductal carcinoma in upper
outer quadrant of right breast managed with breast-conserving surgery.
Preoperative sonograms show malignant mass in upper outer quadrant of right
breast (A) and two synchronous nodules in same (B) and different
(upper inner) (C) quadrants of ipsilateral breast. One nodule
(arrow, B) in same quadrant is well-circumscribed oval
hypoechoic mass classified category 3. Lesion in different quadrant
(arrow, C) is cluster of small cystic nodules classified
category 3. However, these lesions were confirmed as another focus of invasive
ductal carcinoma and ductal carcinoma in situ, respectively.
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