Digital Atlas of Breast Pathology by Meenakshi Singh, MD - Department of Pathology, Stony Brook University Medical Center

Aggregate and irregular adenosis.
Adenosis must not be confused with invasive carcinoma and high molecular weight cytokeratin can be helpful in all but the microglandular varieties in distinguishing benign from malignant. The most helpful clues often come at low power where adenosis will retain a semblance of the lobular architecture.

 

 

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