A 65-year-old male immigrant from Africa presents to the emergency department after an episode of gross hematuria. He states that he has seen small am

Subject
Medicine
System
Infectious Diseases, Renal, Urinary Systems & Electrolytes

Kathryn

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Jul 29, 2020
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A 65-year-old male immigrant from Africa presents to the emergency department after an episode of gross hematuria. He states that he has seen small amounts of blood in his urine from time to time over the past several months. His physical examination is remarkable only for mild hepatosplenomegaly. A urology consult is called, and the urologist performs a bedside cystoscopy. A large fungating mass is seen adherent to the superior part of the bladder. Results of a biopsy are shown in the image. What is the most likely environmental exposure associated with this disease in the patient?
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(A) Cigarette smoking
(B) Exposure to aniline dyes
(C) Helminth infection
(D) Infection with a papovavirus
(E) Long-term indwelling catheter
 
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