Correlation of Solitary Dilated Duct at Mammography With Ultrasonography and Anatomopathological Findings

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Primary Outcome Measures:

Purpose: To determinate the incidence, pathological significance and risk factors associated with the presence of solitary dilated duct visualized at mammography exam.

Methods: Mammograms performed at the Diagnostic Imaging Department of the IBCC – Instituto Brasileiro de Controle do Câncer (Brazilian Cancer Control Institute) will be prospectively evaluated. Patients who present a solitary dilated duct visualized by mammography will be included in the study. These patients will be reconvocated in order to be submitted to an ultrasonography directed to the mammographic finding. Patients who present lesions on ultrasonography will undergo method-guided percutaneous biopsy.

Patients with ductal ectasia, without evident lesions, will be followed for 2 years to evaluate stability by means of mammography or ultrasonography every 6-month intervals.