TABLE 4.

PSMA Immunohistochemistry

Patient no.	Anatomic region	PSMA immunohistochemistry expression
		Carcinoma	Benign
1	Right lobe, prostate base	Negative	Positive
	Left lobe, prostate base	Positive	Positive
	Transition to left seminal vesicle	Positive	Positive
	Transition to right seminal vesicle	Negative	Positive
2	Right lobe, prostate base	Positive	Positive
	Transition to right seminal vesicle	Negative	Positive
	Transition to left seminal vesicle	Negative	Positive
3	Right bladder neck	Negative	Positive
	Left bladder neck	Negative	Positive
4	Right lobe, prostate base	Negative	Positive
	Left lobe, prostate base	Negative	Positive
	Right bladder neck	Negative	Positive
	Left bladder neck	Negative	Positive
5	Transition to right seminal vesicle	Positive	Negative
	Transition to left seminal vesicle	Positive	Negative
6	Right lobe, prostate base	Negative	Positive
	Left lobe, prostate base	Negative	Positive
7	Transition to right seminal vesicle	Positive	Positive
	Transition to left seminal vesicle	Negative	Positive
	Right bladder neck	Negative	Positive
	Left bladder neck	Negative	Positive
8	Right lobe, prostate base	Negative	Positive
	Left lobe, prostate base	Positive	Positive
	Transition to left seminal vesicle	Positive	Positive
	Transition to right seminal vesicle	Negative	Positive

For further analysis of prostate base, selective staining of last slices of prostate base was performed. Positive result indicated moderate to strong PSMA expression.