Causes of false-positive diagnoses | - Sclerosing adenosis or radial scar mistakenly diagnosed as tubular carcinoma - Apocrine atypia in lobules, ducts, or sclerosing lesions mistakenly diagnosed as DCIS - Chronic inflammation mistakenly diagnosed as infiltrating lobular carcinoma - Invasion mistakenly diagnosed in DCIS - Radiotherapy effects mistakenly diagnosed as carcinoma |
Causes of false-negative diagnoses | - Tubular carcinoma mistakenly diagnosed as sclerosing adenosis or radial scar - Infiltrating lobular carcinoma mistakenly interpreted as chronic inflammation or missed - Radiotherapy effect with missed foci of carcinoma - Metaplastic carcinoma mistakenly diagnosed as a stromal proliferation/fibroblastic scar |