<prompt> In assessing LUTS in men, which of the following statements are false?Chaing patients symptoms according to the International Prostate Symptom Score IPSS is routinely used.Flow rate measurement studies and pressure-flow urodynamic studies are done.Thorough nervous system examination is mandatory.Cystourethroscopy is a good guide as an indication for surgery.  <response>: Cystourethroscopy does not give any guide as to the degree of BOO and the need for surgery. Causes of male lower urinary tract symptoms LUTS Obstruction: - Benign Prostatic Obstruction - Foreign Body - Urethral Stricture Primary Bladder Pathology: - Overactive Bladder - Detrusor Underactivity Infectious: - Urinary Tract infection - Prostatitis Malignant: - Bladder tumor - Prostate Cancer Neurogenic bladder dysfunction Diuretic causes:- - Diabtes - Noctumal Polyuria Extra-vesicle cause: - Distal Ureteric Stone 