What Diagnostic Tests Are Useful?Monday, April 23, 2012 - 16:27
Several clinical or laboratory tests can help the urologist:
- Diagnose the cause of the urinary problem
- Determine the best course of treatment
Generally, the urologist will test your blood to assess kidney function and the level of prostate specific antigen (PSA).
PSA is a protein present in the normal
If your PSA is elevated, your urologist may recommend a transrectal ultrasound examination and a biopsy to distinguish between the two possibilities of prostate enlargement and prostate cancer
Digital Rectal Exam (DRE)
After putting on a lubricated glove, the physician gently inserts a finger through the anus into the rectum and assesses the size and hardness of the prostate gland. This exam is done when prostate enlargement is suspected or as part of an annual physical examination.
Urinary Flow Rate Study
This technique, which is used to detect an obstruction of the
However, while a urinary flow rate study can indicate an obstruction, it cannot provide a definitive diagnosis of BPH. Many other variables affect flow, including a weak
A pressure-flow study is more diagnostic but involves
Intravenous Pyelography (IVP)
This test is performed only in cases complicated by a finding such as blood in the
An instrument called a cystoscope is inserted through the urethral opening of the penis and visually guided through the urethra to the bladder. This test can be performed in the doctor's office, using a local anesthetic. During