Clinical breast care and breast cancer-related research rely on imaging biomarkers for decision support. In the era of precision medicine and big data, the practice of radiology is likely to change. A closer integration of breast imaging with related biomedical fields and the creation of large integrated and shareable databases of clinical, molecular, and imaging biomarkers should allow the field to continue guiding breast cancer care and research.
The follow-up excision (FUE) results were analyzed from 370 cases diagnosed as intraductal papilloma on breast core needle biopsy (CNB) with no history of malignancy or other risk factors. Of these cases, 98.6% were rendered a Breast Imaging Reporting and Data System score of 4 on mammography before the CNB. Fifty-one cases (13.8%) were found to have microcalcifications on microscopic examination of CNB. A total of 7 (1.9%) of 370 cases were upgraded to invasive carcinoma, ductal carcinoma in situ, or pleomorphic lobular carcinoma in situ on FUE. Six of 51 (11.8%) cases with microcalcifications found on imaging and CNB were upgraded to ductal carcinoma in situ or invasive carcinoma, whereas only 1 (0.3%) of 319 cases without microcalcifications was upgraded to pleomorphic lobular carcinoma in situ (P = .003). Results of a multivariate analysis adjusted for age confirmed that microcalcifications was a risk factor for upgrading to cancer, independent of age. Our results indicate that surgical excision is required for intraductal papilloma diagnosed on CNB if microcalcifications are present. However, excision may not be required for those who have no microcalcifications on CNB and no other known risk factors.
Breast radiologists are increasingly seeing patients with axillary adenopathy related to COVID-19 vaccination. Vaccination can cause levels I–III axillary as well as cervical lymphadenopathy. Appropriate management of vaccine-related adenopathy may vary depending on clinical context. In patients with current or past history of malignancy, vaccine-related adenopathy can be indistinguishable from nodal metastasis. This article presents imaging findings of oncology patients with adenopathy seen in the axilla or neck on cross-sectional imaging (breast MRI, CT, or PET-CT) after COVID-19 vaccination. Management approach and rationale is discussed, along with consideration on strategies to minimize false positives in vaccinated cancer patients. Time interval between vaccination and adenopathy seen on breast MRI, CT, or PET-CT is also reported.
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