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Screen-detected ductal carcinoma in situ found on stereotactic vacuum-assisted biopsy of suspicious microcalcifications without mass: radiological-histological correlation


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Powdery microcalcifications (cotton ball-like, indistinct, amorphous).
Powdery microcalcifications (cotton ball-like, indistinct, amorphous).

Crushed stone-like microcalcifications (pleomorphic).
Crushed stone-like microcalcifications (pleomorphic).

Casting-type microcalcifications (linear, branching).
Casting-type microcalcifications (linear, branching).

Statistical significance of dependency (chi-square test, P value)

FeaturesPatient ageMicrocalcifications typeMicrocalcifications distributionNuclear gradeComedonecrosis
Patient age0.59770.19360.90981
Microcalcifications type0.5977< 0.001< 0.010.7278
Microcalcifications distribution0.1936< 0.001< 0.050.0733
Nuclear grade0.9098< 0.01< 0.05< 0.01
Comedonecrosis10.72780.0733< 0.01

Association between microcalcifications distribution and type

FeaturesMicrocalcifications distribution, n (%)
ClusteredGroupedRegional
Microcalcifications type, n [%]
Powdery16 (19) [84]3 (10) [16]0 (-) [-][100%]
Crushed stone-like61 (72) [75]16 (51) [20]4 (36) [5][100%]
Casting type8 (9) [30]12 (39) [44]7 (64) [26][100%]
(100%)(100%)(100%)P < 0.001

Association between comedonecrosis and microcalcifications

FeaturesComedonecrosis, n (%)
AbsentPresent
Microcalcifications Type, n [%]
Powdery 10 (17) [53]9 (13) [47][100%]
Crushed stone-like 35 (60) [43]46 (67) [57][100%]
Casting type 13 (23) [48]14 (20) [52][100%]
(100%)(100%)P > 0.5
Distribution, n [%]
Clustered 44 (76) [52]41 (59) [48][100%]
Grouped 12 (21) [39]19 (28) [61][100%]
Regional 2 (3) [18]9 (13) [82][100%]

Association between nuclear grade and microcalcifications

FeaturesMicrocalcifications Type, n [%]
I (Low)Nuclear grade, n (%) II (Intermediate)III (High)
Powdery14 (20) [74]3 (8) [16] 2 (11) [10][100%]
Crushed stone-like47 (66) [58]27 (71) [33]7 (39) [9][100%]
Casting type10 (14) [37]8 (21) [30]9 (50) [33][100%]
(100%)(100%)(100%)P < 0.01
Distribution, n [%]
Clustered54 (76) [64]23 (60) [27]8 (44) [9][100%]
Grouped14 (20) [45]12 (32) [39]5 (28) [16][100%]
Regional3 (4) [27]3 (8) [27]5 (28) [46][100%]
(100%)(100%)(100%)P < 0.05

Baseline characteristics

Featuresn(%)
Patient age
50–6067 (53)
61–6960 (47)
Microcalcifications type
Powdery19 (15)
Crushed stone-like81 (64)
Casting-type27 (21)
Microcalcifications distribution
Clustered85 (67)
Grouped31 (24)
Regional11 (9)
Nuclear grade (NG)
NG 1 (Low)71 (56)
NG 2 (Intermediate)38 (30)
NG 3 (High)18 (14)
Comedonecrosis
Absent58 (46)
Present69 (54)

Association between nuclear grade and comedonecrosis

FeaturesNuclear grade, n (%)
I (Low)II (Intermediate)III (High)
Comedonecrosis, n [%]
Absent 37 (52) [64]20 (53) [34]1 (6) [2][100%]
Present 34 (48) [49]18 (47) [26]17 (94) [25][100%]
(100%)(100%)(100%)P < 0.01
eISSN:
1581-3207
Language:
English
Publication timeframe:
4 times per year
Journal Subjects:
Medicine, Clinical Medicine, Radiology, Internal Medicine, Haematology, Oncology