TREATMENT
Proceeding strategy in patients with the prostate cancer depends on the degree of histological malignancy, the degree of local stage of development, coexisting diseases and age of a patient. There are many controversies as far as the choice of treatment is concerned. Radical treatment is possible in T1, T2 and N0 and Mo stages. In advanced cases (T3, T4, N-+, M-+), the procedure is restricted to delay the cancer progression and mitigate its effects (palliative treatment).
Surgery treatment - radical prostatectomy
The surgery consists in the prostate gland removal together with spermatic vesicles and adjacent tissues. Surgery is done through retropubic, transcoccgeal, perineal approach or through laparoscopy. Lymphadenectomy constitutes an integral part of the surgery. If the approach makes it impossible to remove the gland and lymph nodes (perineal approach) at the same time, a separate surgery is carried out. It precedes the operation proper. It is believed that cancerous cells found in the removed lymph nodes are the reason why prostatectomy cannot be performed. Invasion of lymph nodes to a certain extent suggests PSA level over 40ng/ml together with grade >7 in Gleason’s scale.
Recommendations for surgery:
1) cancer limited to the prostate gland (T1BN0M0Gx - T2N0M0Gx, T1AN0M0G3) 2) predictable life span over 10 years 3) consent of a patient If positive chirurgical margins, capsule infiltration or cancerous changes in the removed lymph nodes are found in postoperative microscopic assessment, the prognosis is worse – such patients are qualified for palliative treatment. The death rate in the postoperative period does not exceed 5%. Intraoperative complications first of all include: bleeding from Santorini’s plexus, damage of rectum wall, underpinning of ureter. Early complications after surgery: thrombotic and embolic complications (phlebothrombosis 3-12%, lung embolism 2-5%) and lymphocele. Late postoperative complications after prostatectomy include: urinary incontinence, erection disorders and narrowing of urethro-vesicular junction).
Radiotherapy
Apart from radical prostatectomy, radiotherapy is an effective method of treatment for patients with regional advanced prostate cancer. In radical treatment, the most frequently done using radiation from external sources, the dose of 50-70 Gy in fractions continuing over 5-7 weeks are given. T1ABC - T2ABCG1 and T1ABCG2 stages require radiation limited to the prostate. In other cases, area that is radiated includes adjacent lymph nodes as well. In recent years, multidimensional imaging with CT (3D conformal radiotherapy) is used in the treatment planning.
Brachytherapy constitutes another method that is used.
Recommendations for radical radiotherapy of the prostate:
1) prostate cancer confined with the organ 2) sufficiently long predictable survival span 3) no disorders in lower urinary tract 4) no disorders in rectum and colon 5) consent of patient to carry out treatment 6) early complications of radiation energy treatment (30% of patients) include dysuria, haematuria, diarrhoea, rectal tenesmus, inflammation of large intestine and rectum. Among later complications (11% of patients) chronic diarrhea, ulceration of rectum, bladder neck stenosis and intestinal fistula stenosis are observed.
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