
Prostate cancer is a malignant growth within the prostate caused by the uncontrolled growth of the prostate's glandular cells (adenocarcinoma). Because it most often develops in the peripheral zone of the prostate, a urologist can feel it during a digital rectal examination.
Many factors influence the development of prostate cancer, the most important being:
If the disease is detected at an early stage and is confined to the prostate, it is not an aggressive form and is curable in the vast majority of patients. The progression of prostate cancer that has spread to surrounding structures and organs can now be slowed with new oncology medicines.
Prostate cancer grows slowly, which means several years can pass between the onset of the disease and the appearance of symptoms. Patients in the early stage therefore usually have no complaints. Even when symptoms appear, they are not specific to prostate cancer. The first symptoms are related to urination, because the prostate lies just below the bladder and surrounds the first part of the urethra. Due to the pressure of the cancerous prostate on the urethra, patients have a weaker or interrupted urine stream, strain when urinating, feel that the bladder has not emptied completely and urinate frequently. As the disease progresses, the cancer grows into surrounding organs and tissues, which may cause pain in the perineum or abdomen, blood in the urine and blood in the semen. In advanced disease, metastases can cause bone pain, mainly in the pelvis, spine, ribs and long bones, as well as leg swelling, anaemia, bone fractures caused by metastases (pathological fractures), weight loss and fatigue.
At the first examination, in addition to taking a detailed medical history, the urologist performs a digital rectal examination of the prostate, assessing its size, consistency, delineation from surrounding structures and any suspicious nodules. The level of PSA (prostate-specific antigen) in the blood is measured; PSA is produced by the glandular cells of the prostate and is a good biomarker to help diagnose prostate cancer. When cancerous tissue is present in the prostate, PSA levels in the blood are higher, but elevated values can also occur in some non-cancerous conditions, namely benign prostatic enlargement, prostatitis, manipulation of the prostate (cycling, biopsy, catheterisation, prostate massage, cystoscopy) and after sexual intercourse. Before a PSA test, 24 hours without sexual intercourse and cycling is recommended, and PSA should not be measured after any manipulation of the prostate.
Depending on the initial assessment of prostate cancer risk (suspicious digital rectal examination, elevated PSA), the patient is referred either for an mpMRI of the prostate followed by a targeted prostate biopsy, or directly for a transrectal ultrasound-guided prostate biopsy (TRUS). The biopsy confirms or rules out prostate cancer once a pathologist has examined the tissue in detail.
After the histopathological diagnosis of prostate cancer, the patient discusses the nature of the disease and the next steps with the urologist, taking into account the patient's age, other conditions, the stage of the disease, the cancer's risk group and the patient's wishes. If needed, the urologist refers the patient for staging examinations – abdominal CT/chest CT/bone scintigraphy or PSMA PET/CT.
The choice of treatment depends on how aggressive and widespread the disease is, the patient's age, life expectancy and general health. For some patients active surveillance is appropriate, while others need surgery (radical prostatectomy), radiotherapy, hormonal or systemic treatment.
For advanced disease, many modern treatment options are now available that allow an individualised approach.
The most effective prevention is regular visits to a urologist and PSA testing. The first urological examination is recommended:
A healthy lifestyle is also important (more physical activity, weight loss, a diet rich in fruit and vegetables).
Author: asst. Simon Hawlina, MD, FEBU, urologist specialist





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