Abstract
Dedicated breast positron emission tomography (dbPET) is a new diagnostic imaging modality recently used in clinical practice for the detection of breast cancer and the assessment of tumor biology. dbPET has higher spatial resolution than that of conventional whole body PET systems, allowing recognition of detailed morphological attributes of radiotracer accumulation within the breast. 18F-fluorodeoxyglucose (18F-FDG) accumulation in the breast may be due to benign or malignant entities, and recent studies suggest that morphology characterization of 18F-FDG uptake could aid in estimating the probability of malignancy. However, across the world, there are many descriptors of breast 18F-FDG uptake, limiting comparisons between studies. In this article, we propose a lexicon for breast radiotracer uptake to standardize description and reporting of image findings on dbPET, consisting of terms for image quality, radiotracer fibroglandular uptake, breast lesion uptake.
Highlights
Licensee MDPI, Basel, Switzerland.High-resolution positron emission tomography dedicated for the breast is a modern diagnostic imaging modality used in clinical practice for the detection of breast cancer and assessment of tumor biology, and is expected as a promising tool to support the evolution of molecular imaging [1]
Maximum intensity projection (MIP) images of Dedicated breast positron emission tomography (dbPET) should be initially assessed with a fixed window width; the recommended lower and upper thresholds are 0 and 3–4, respectively, in standard uptake value (SUV)
Focal or regional distribution means localized Non-mass uptake (NMU); focal = less than 25% of quadrant, regional = equal or more than 25% of quadrant
Summary
Standardization of Description and Reporting of Radiotracer Uptake in the Breast Kanae K. Miyake 1, * , Masako Kataoka 2 , Takayoshi Ishimori 2 , Yoshiaki Matsumoto 3,4 , Masae Torii 5 , Masahiro Takada 3 , Yoko Satoh 6 , Kazunori Kubota 7 , Hiroko Satake 8 , Masahiro Yakami 4 , Hiroyoshi Isoda 4 , Debra M. Ikeda 9 , Masakazu Toi 3 and Yuji Nakamoto 2 Citation: Miyake, K.K.; Kataoka, M.; Ishimori, T.; Matsumoto, Y.; Torii, M.; Takada, M.; Satoh, Y.; Kubota, K.; Satake, H.; Yakami, M.; et al A Department of Advanced Medical Imaging Research, Graduate School of Medicine Kyoto University, 54 Shogoin Kawahara-cho, Sakyo-ku, Kyoto-City 606-8507, Kyoto, Japan Lexicon: Standardization of Description and Reporting of Radiotracer Uptake in the Breast.
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