Malignancy Risk Stratification Prediction of Amorphous Calcifications Based on Clinical and Mammographic Features.

14 Previous studies on the PPVs of morphology and distribution descriptors demonstrated an increasing trend toward malignancy from amorphous/coarse heterogeneous to fine pleomorphic/fine linear/fine-linear branching microcalcifications and from regional/grouped to segmental/linear distribution. 5 , 11 , 17 Our study focused on only one suspicious amorphous morphology type, which has a lower PPV.

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