Two, respectively, 72- and 76-year-old men with recently diagnosed high-risk prostate cancer were referred for primary staging with Ga-prostate-specific membrane antigen (PSMA) PET/CT. In both patients, the PET scans revealed increased Ga-PSMA uptake in, respectively, 3 and 4 rib fractures, characteristically placed as "pearls on a string." These cases illustrate important pitfalls when reporting PSMA PET.
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Jochumsen et al. (2017) studied this question.
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