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Date of last update: 10/21/2017.

Forum Name: Breast Cancer

Question: flat epithelial atypia


 srms - Sat Mar 28, 2009 12:20 pm

What is flat epithelial atypia
 Dr. Tamer Fouad - Wed Apr 29, 2009 10:47 am

User avatar Hi,

Good question. Flat epithelial atypia is a proliferation of epithelial cells in the breast that show low grade atypical features that don't meat the criteria of carcinoma in situ or atypical ductal hyperplasia. Both carcinoma in situ and atypical ductal hyperplasia are considered premalignant lesions. Hence you could think of flat epithelial atypia as 'pre-pre-malignant lesions'.

The important thing is that they do not represent a significant risk of recurrence or of progression to premalignant lesions. The probability of that happening is rather low. Treating these cases as if they were premalignant is considered overtreatment.

I hope that answers your question.
Best regards,

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