Dept. of urology.Shanghai Renji hospital
Etiology of BPH
The etiology of BPH IS undoubtedly
multifactorial. However,it is well recognized that
two prerequisites for its induction are the testes
and aging .
Because prostatic growth is regulated principally
It has been suspected for years that BPH is under
endocrine control .In addition. There is compelling
evidence for a major role of the stroma in the
induction of the disease .
Pathology of BPH
The basic change is that of epithelial
hyperplasia of the prostatic glands and their
A wide variation between epithelial and
The hypertrophy originates in the
Form a false capsule.
Local symptoms General symptoms
Increased frequency Lassitude due to
Nocturia ,hesitancy nocturia.
Feeling of incomplete Renal pain.
Emptying . Prinephric abscess .
Dribbling, Dysuria. Progressive renal
Haematuria, Epididymitis failure.
Anorexia ,Nausea, Vom
Micturition easier on
Diagnosis of BPH
Rectal examination :size,consistency,
irregularities or hard nodules.
Becteriological tests:MSU (meadum stream urine)
Biochemical tests:blood urea and
creatinine, electrolytes, PSA.
Diagnosis of BPH(Radiology)
Straight x-ray, KUB.
1.suppression of renal function
2.hydronephrosis and hydroureter
3.fish-hooking of the lows ends of the ureter
4.trabeculation of the bladder
5.bladder diverticular formation
6.filling defects in the bladder
7.residual contrast left in the bladder after
RGP,when non-functioning kidney is present.
Electro—cardiography to assese myocardial
Pulmonary function tests
Treatment of BPH
Chronic retention of urine
1. Conservative methods by running water taps to
induce to void ,sitting in a warm bath
3. Suprapubic cystostomy:temporary form of
suprapubic cystostomy,catheter should be
changed at monthly.