Brief H&P:
A 62 year-old male with no significant medical history, presented to the emergency department with several days of vomiting. Examination showed suprapubic fullness with tenderness to palpation and a bedside ultrasound was performed:
RUQ
RUQ
Right upper quadrant ultrasound with moderate hydronephrosis.
LUQ
LUQ
Left upper quadrant ultrasound with moderate hydronephrosis.
Bladder
Bladder
Relatively non-distended bladder.
Bladder Volume
Bladder Volume
Post-void bladder volume.
Ultrasound revealed moderate bilateral hydronephrosis with a relatively non-distended bladder. Labs were notable for new renal failure and the patient was admitted for continued evaluation. He was ultimately diagnosed with idiopathic retroperitoneal fibrosis with bilateral distal ureteral obstruction requiring stenting.
Anatomy of Acute Urinary Retention:
Differential Diagnosis of Acute Urinary Retention:1,2,3
