The assessment of prostatic carcinoma management results requires a complex approach. It is necessary to consider the objective criteria of tumor regression in the primary tumor and metastases to soft tissue, bone as well as indirect signs of tumor process (levels of acid and alkaline phosphatases). Subjective response cannot be assessed accurately. Reliable criteria in prostatic cancer management are: (1) objective regression by 50% or more decrease in all measurable lesions and unequivocal improvement in evaluable but non-measurable lesions with no new lesions developing; (2) Ultrasonotomography is a fine method of objective response assessment in the primary tumor and metastases; (3) Duration of response is the important criteria of tumor regression in conservative management of prostatic carcinoma.