Table 2  Detection of prostate-specific membrane antigen in breast cancer using PET/CT.

Author, year of publication [reference]	N	PSMA expression detetected	Population	Confirmation
PR: progesterone receptor
Passah, 2018 38	1	present	33-year-old patient with metastatic TNBC	18 F-FDG-PET/CT
Sathekge, 2015 39	1	present	33-year-old patient with metastatic breast cancer	clinical, 18 F-FDG-PET/CT
Sathekge, 2017 40	19	overall detection rate: 84%	patients with both PR-positive and PR-negative breast cancer (primary or recurrent or metastatic disease)	clinical, histology, 18 F-FDG-PET/CT (n = 7)
Kasoha, 2017 16	1	1	79-year-old patient with breast cancer and bone metastasis	clinical, histology
Medina-Ornelas, 2020 41	21	76%	patients with primary metastatic disease who did not have prior therapy and had different hormone receptor and HER2/neu receptor statuses	18 F-FDG-PET/CT