Nghiên cứu giá trị của sinh thiết dưới hướng dẫn siêu âm qua đường trực tràng trong chẩn đoán ung thư tuyến tiền liệt

Researching the value of biopsy under guideline of transrectal ultrasound in the diagnosis of Prostate cancer

SUMMARY:

Purpose: To describe the image of prostate cancer in transrectal ultrasound and to define the value of biopsy under guideline of transrectal ultrasound

Materials and method: Prospective study on 190 patients with prostate biopsy in Viet Duc hospital from Sep/ 2013 to Aug/ 2014, of those 68 cases are cancer. Describe the transrectal ultrasound image and study the sensitivity, the specificity, the accuracy of biopsy under guideline of transrectal ultrasound.

Results: Prostate cancer on the transrectal ultrasound has the image of rough margin 73.5%; unclear between internal and external zone 54.4%; irregular hyper angiogenesis 61.8%; disappear the image of fat around prostate 52.9%; node with hypo-echo 100%, hyper angiogenesis 89.2%, rough margin 56.1% and in the external 67.6%.

The 10 speciment prostate biopsy by transrectal ultrasound have the sensitivity 94.7%; the specificity 100.0%; the accuracy 98.0% and low complication with the rate of un-complication of 64.7%.

Conclusion: The prostate biopsy under guideline of transcretal ultrasound have high value in early diagnosis the prostate cancer, safely and less complication.

Keywords: prostate biopsy, transcretal ultrasound.