Understanding of Prostate biopsy

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When cancer is suspected, a tissue sample is examined.
The prostate biopsy is the most common aspiration for the extraction of tissue examination in urology. It is used if it can be collected at a prostate exam is no clear diagnosis. Even with an increase of prostate-specific tumor markers, the prostate biopsy is used.


Antibiotics prevent infection before.
Can occur as a complication rectal bleeding. However, they are rare. By inserting a tampon, they are very well hidden. Occur more frequently febrile infections, which are caused by rectal introduction of germs into the wound about. Therefore, one of each biopsy antibiotic prophylaxis.


Often a second inspection is necessary.
The tissue sample is then examined in the laboratory. If this results in no positive findings, although a reasonable suspicion of a tumor, the biopsy must be repeated again. This is necessary because a single punch biopsy can be no absolute certainty of a tumor.


Using ultrasound to determine exactly where the puncture leaves.
Led by the punch biopsy under local anesthesia. The procedure typically takes übern the anus, where the doctor's finger to control and guide the puncture needle takes to help. This enables him to feel suspicious, hard nodules within the prostate with a finger and then selectively capture with the needle. Can be substantially increased the accuracy of a biopsy, even when controlling for an ultrasound device is consulted. It is also possible puncture of the prostate through the perineum.


Reliable diagnosis before infection.
During the puncture technique through the dam instead of through the anus infections occur much less frequently. However, the distance is greater and the accuracy of the puncture so much lower. This results in a higher risk of false-negative findings. Also hemorrhages are more common. Therefore, access is via the anus is performed more frequently and applied the method only rarely over the dam.

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