Progressive Transformation of Germinal Centers Simulating Malignant Axillary Lymphadenopathy in a Breast Cancer Patient on FDG PET/CT.
case_report · Level V
Where this comes from
- Record sourced from PubMed, PMID 36607381.
- Also identified by DOI 10.1097/RLU.0000000000004493.
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Abstract
A 64-year-old woman with breast cancer underwent FDG PET/CT for follow-up. The study revealed highly increased FDG uptake in newly diagnosed enlarged axillary lymph nodes, which were worrisome for malignancy. Histopathology revealed a rarely diagnosed benign disease of progressive transformation of germinal centers mimicking malignant lymphadenopathy. As imaging findings of this entity, which usually involves the axillary and cervical areas, have been reported in very few studies, nuclear medicine physicians should be familiar with this potential "false-positive" FDG uptake representing an interpretative pitfall, especially during evaluation of breast cancer patients.
Medical subject headings
- Breast Neoplasms
- Lymphadenopathy