Cancer Risk For ADH On A Core Biopsy
The rate at which breast cancer (ductal carcinoma in situ or invasive mammary carcinoma (all breast cancer except DCIS and LCIS)) is found at the time of a surgical (excisional) biopsy, following the diagnosis of ADH on a core (needle) biopsy varies considerably from hospital-to-hospital (range 4-54%). In two large studies, the conversion of an ADH on core biopsy to breast cancer on surgical excision, known as "up-grading", is approximately 30%.
Read more about this topic: Atypical Ductal Hyperplasia, Prognosis
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