A 68-Year-Old Man Comes to the Emergency Department Due to Lower

A 68-year-old man comes to the emergency department due to lower abdominal pain and nausea.  His symptoms started the prior evening, when he began to feel abdominal fullness and discomfort.  This progressed to pain over the lower abdomen and constant nausea without vomiting.  The patient last urinated >24 hours ago.  He has had difficulty initiating urination and a feeling of incomplete voiding for the last year but avoided seeing a physician.  Temperature is 36.7 C (98 F) , blood pressure is 150/90 mm Hg, and pulse is 95/min.  Physical examination shows suprapubic tenderness and fullness without guarding or rebound.  Rectal examination reveals an enlarged, smooth prostate.  Serum creatinine is 2.6 mg/dL and blood urea nitrogen is 22 mg/dL.  A urinary catheter is placed, with immediate collection of 800 mL of urine and relief of the patient's symptoms.  The following day, serum creatinine is improved.  This patient's condition is associated with increased risk for which of the following?

A) Bladder transitional cell carcinoma
B) Glomerulonephritis
C) Priapism
D) Prostatic adenocarcinoma
E) Urinary tract infection

Correct Answer:

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