URINARY TRACT OBSTRUCTION

URINARY TRACT OBSTRUCTION Urinary Tract Obstruction Lower Tract Distended bladder on ultrasound Urgency, frequency, hesitancy, nocturia Intraluminal Extraluminal Upper Tract Bladder NOT distended on ultrasound Hematuria, flank pain, +/- N/V Retroperitoneal Fibrosis Cancer Intramural CT KUB Ureteropelvic junction obstruction Bladder Carcinoma (until proven otherwise) Bladder stone Thrombus (frank hematuria)Outflow Tract BPH Prostate cancer Urethral stricture Posterior Urethral valves Calcium oxalate Calcium phosphate Uric acid [radiolucent on x-ray] Struvite Cysteine Stone Mass Urothelial cell carcinoma Squamous cell carcinoma