Four Patterns of Abnormal Ring-Like Uptakes on Dedicated Breast PET.

The high resolution of dedicated breast PET (dbPET) enables the visualization of small breast cancers and a heterogeneity of breast tumors. Some tumors present with a ring-like appearance, the central uptake defect possibly reflecting intratumoral fibrosis and necrosis, associated with high-grade malignancy, and a triple-negative subtype. However, a ring-like finding is not only found in high-grade breast cancers. We describe 4 representative patterns of ring-like uptakes on dbPET: high-grade invasive cancer, intracystic tumor, extended noninvasive carcinoma, and change after vacuum-assisted breast biopsy. Ring-like uptakes on dbPET should be evaluated in association with clinical information. Copyright © 2021 Wolters Kluwer Health, Inc. All rights reserved.

Citation

Shinsuke Sasada, Azusa Kai, Yuri Kimura, Norio Masumoto, Takayuki Kadoya. Four Patterns of Abnormal Ring-Like Uptakes on Dedicated Breast PET. Clinical nuclear medicine. 2022 Feb 01;47(2):e192-e193

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PMID: 35006117

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