Correlation between mammographic findings and corresponding histopathology: Potential predictors for biological characteristics of breast diseases

The present study retrospectively evaluated the mammographic findings of 606 Japanese women with breast cancer (median age 50 years; range 27–89 years) and correlated them with histopathological characteristics. Mammographic findings were evaluated with an emphasis on mass shape, margin, density, ca...

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Veröffentlicht in:Cancer science 2011-12, Vol.102 (12), p.2179-2185
Hauptverfasser: Tamaki, Kentaro, Ishida, Takanori, Miyashita, Minoru, Amari, Masakazu, Ohuchi, Noriaki, Tamaki, Nobumitsu, Sasano, Hironobu
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container_end_page 2185
container_issue 12
container_start_page 2179
container_title Cancer science
container_volume 102
creator Tamaki, Kentaro
Ishida, Takanori
Miyashita, Minoru
Amari, Masakazu
Ohuchi, Noriaki
Tamaki, Nobumitsu
Sasano, Hironobu
description The present study retrospectively evaluated the mammographic findings of 606 Japanese women with breast cancer (median age 50 years; range 27–89 years) and correlated them with histopathological characteristics. Mammographic findings were evaluated with an emphasis on mass shape, margin, density, calcification, and the presence of architectural distortion; these findings were correlated with histopathological characteristics such as intrinsic subtype, histological grade, lymphovascular invasion, and the Ki‐67 labeling index. An irregular mass shape and masses with a spiculated margin were significantly higher in the group of patients with luminal A breast cancer than in patients with masses that were lobular or round, or in tumors with an indistinct or microlobulated periphery (P = 0.017, P = 0.024, P 
doi_str_mv 10.1111/j.1349-7006.2011.02088.x
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Mammographic findings were evaluated with an emphasis on mass shape, margin, density, calcification, and the presence of architectural distortion; these findings were correlated with histopathological characteristics such as intrinsic subtype, histological grade, lymphovascular invasion, and the Ki‐67 labeling index. An irregular mass shape and masses with a spiculated margin were significantly higher in the group of patients with luminal A breast cancer than in patients with masses that were lobular or round, or in tumors with an indistinct or microlobulated periphery (P = 0.017, P = 0.024, P &lt; 0.001, and P = 0.001, respectively). Irregular mass shape and spiculated periphery were significantly lower in patients with Grade 3 cancer (P &lt; 0.001 for both). In terms of lymphovascular invasion, there were significant differences between oval and irregular or round mass shape (P = 0.008 and P = 0.034), between tumors with a microlobulated and indistinct periphery (P = 0.014), between tumors with a punctate and amorphous or pleomorphic calcification shape (P = 0.030 and 0.038), and between the presence and absence of architectural distortion (P = 0.027). Equivalent or low‐density masses were also higher in Grade 1 breast cancers (P = 0.007). There were significant differences in the Ki‐67 labeling index between irregular and lobular or round tumors (P &lt; 0.001 and P = 0.014), as well as between spiculated and indistinct or microlobulated tumors (P &lt; 0.001 for both). Significant differences were noted in the mammographic features of different primary breast cancer subtypes. These proposed mammographic diagnostic criteria based on biological characteristics may contribute to a more accurate prediction of biological behavior of breast malignancies. 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Mammographic findings were evaluated with an emphasis on mass shape, margin, density, calcification, and the presence of architectural distortion; these findings were correlated with histopathological characteristics such as intrinsic subtype, histological grade, lymphovascular invasion, and the Ki‐67 labeling index. An irregular mass shape and masses with a spiculated margin were significantly higher in the group of patients with luminal A breast cancer than in patients with masses that were lobular or round, or in tumors with an indistinct or microlobulated periphery (P = 0.017, P = 0.024, P &lt; 0.001, and P = 0.001, respectively). Irregular mass shape and spiculated periphery were significantly lower in patients with Grade 3 cancer (P &lt; 0.001 for both). In terms of lymphovascular invasion, there were significant differences between oval and irregular or round mass shape (P = 0.008 and P = 0.034), between tumors with a microlobulated and indistinct periphery (P = 0.014), between tumors with a punctate and amorphous or pleomorphic calcification shape (P = 0.030 and 0.038), and between the presence and absence of architectural distortion (P = 0.027). Equivalent or low‐density masses were also higher in Grade 1 breast cancers (P = 0.007). There were significant differences in the Ki‐67 labeling index between irregular and lobular or round tumors (P &lt; 0.001 and P = 0.014), as well as between spiculated and indistinct or microlobulated tumors (P &lt; 0.001 for both). Significant differences were noted in the mammographic features of different primary breast cancer subtypes. These proposed mammographic diagnostic criteria based on biological characteristics may contribute to a more accurate prediction of biological behavior of breast malignancies. 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Mammographic findings were evaluated with an emphasis on mass shape, margin, density, calcification, and the presence of architectural distortion; these findings were correlated with histopathological characteristics such as intrinsic subtype, histological grade, lymphovascular invasion, and the Ki‐67 labeling index. An irregular mass shape and masses with a spiculated margin were significantly higher in the group of patients with luminal A breast cancer than in patients with masses that were lobular or round, or in tumors with an indistinct or microlobulated periphery (P = 0.017, P = 0.024, P &lt; 0.001, and P = 0.001, respectively). Irregular mass shape and spiculated periphery were significantly lower in patients with Grade 3 cancer (P &lt; 0.001 for both). In terms of lymphovascular invasion, there were significant differences between oval and irregular or round mass shape (P = 0.008 and P = 0.034), between tumors with a microlobulated and indistinct periphery (P = 0.014), between tumors with a punctate and amorphous or pleomorphic calcification shape (P = 0.030 and 0.038), and between the presence and absence of architectural distortion (P = 0.027). Equivalent or low‐density masses were also higher in Grade 1 breast cancers (P = 0.007). There were significant differences in the Ki‐67 labeling index between irregular and lobular or round tumors (P &lt; 0.001 and P = 0.014), as well as between spiculated and indistinct or microlobulated tumors (P &lt; 0.001 for both). Significant differences were noted in the mammographic features of different primary breast cancer subtypes. These proposed mammographic diagnostic criteria based on biological characteristics may contribute to a more accurate prediction of biological behavior of breast malignancies. (Cancer Sci 2011; 102: 2179–2185)</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><pmid>21895869</pmid><doi>10.1111/j.1349-7006.2011.02088.x</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record>
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subjects Adult
Aged
Aged, 80 and over
Biological and medical sciences
Biomarkers, Tumor
Breast - pathology
Breast Neoplasms - diagnostic imaging
Breast Neoplasms - pathology
Female
Humans
Japan
Ki-67 Antigen
Mammography
Medical sciences
Middle Aged
Neoplasm Grading
Prognosis
Retrospective Studies
Tumors
title Correlation between mammographic findings and corresponding histopathology: Potential predictors for biological characteristics of breast diseases
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