Hi Janet,
I finished the identical treatment to your husband end September. I have been reading Dr Patrick Walsh, Prof of Urology, Johns Hopkins Med Inst, book, who identifies this occurrence after combined HT/RT treatment.
Hopefully it’s what he calls a ‘PSA false rise’ after the hormones have left your husband’s system while the effects of the RT continue to take effect.
He explains it as the low PSA after treatment being artificially low, a result of low testosterone, because of the HT.
As the hormones exit the body approx. 6 months after the HT expired, PSA rises, but then the effects of the RT continue to develop and the PSA then starts to drop to it’s lowest point. He states the RT effect can take 2-6 years to reach it’s maximum effect.
Also after RT there is ‘PSA bounce.’ He states this can happen about 9 months after treatment to about 1/3 of men. He says it’s a sudden rise of 0.5 to 1 ng/mL followed by a drop back down.
He quotes another authority, Dr Song, “ironically, men who develop a PSA bounce ultimately have a better disease-free survival rate than men who did not have a bounce.”
So fingers crossed this is what it is.
Keep us posted.
G