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Urinary Retention (Ischuria)
Definition of Urinary Retention
Urinary retention is lack of ability to empty the urinary bladder.
Differential Diagnosis of Urinary Retention
|DD urinary retention|
|Diseases of the prostate||Benign prostatic hyperplasia, prostate cancer, bladder cancer, bladder stones, bladder neck sclerosis, detrusor sphincter dyssynergia (DSD).|
|Diseases of the urethra||Urethral strictures, urethral valves, female urethral cancer and male urethral cancer, foreign bodies, phimosis.|
|Diseases of the urinary bladder||Neurogenic bladder disorders, drugs (anticholinergic drugs, neuroleptics), pelvic surgery, diabetes mellitus.|
Diagnostic Work-Up in Urinary Retention
- Sonography of the bladder before inserting the transurethral catheter
- Laboratory tests: creatinine, PSA.
- Trial of micturition after removing the transurethral catheter: determination of residual urine and urine flow.
- Abdominal imaging: intravenous urography, alternatively KUB X-ray and renal sonography.
- Retrograde urethrography or cystoscopy
- Optional: urodynamic testing
|Bladder diseases||Index||Prostate diseases|
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