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Study Finds Surprising Results in Breast Tissue Biopsies

Contrary to previous beliefs, a new study has shown that two types of breast tissue abnormalities may have the same potential for progressing to breast cancer, HealthDay reports. Atypical ductal hyperplasia (ADH) is an accumulation of abnormal cells in a breast duct thought to lead to low-grade ductal breast cancer requiring complete surgical excision, while atypical lobular hyperplasia (ALH) is an accumulation of abnormal cells in a lobule thought to be be associated with increased cancer risk in both breasts. Scientists followed 698 women with atypical hyperplasia for 12.5 years and found that “a similar number of women with either abnormality developed breast cancer in the same breast within five years…which suggests that ALH may be both a precursor to cancer and an indicator of increased risk.”

Read the article published by HealthDay.

Read the study in Cancer Prevention Research.