Which of the following is associated with infection with Schistosoma haematobium? (AIIMS May 2010)
|A||Adenocarcinoma of the bladder|
|B||Adenocarcinoma of the renal pelvis|
|C||Squamous cell carcinoma of the bladder|
|D||Transitional cell carcinoma of the bladder|
a. S. hematobium is associated with squamous cell carcinoma of the bladder.
b. The most common symptom however is painless hematuria.
c. The definitive host is human and the intermediate host is the snail.
d. The infective stage for humans is cercaria, which infects humans by penetration of the skin. The infection is diagnosed by demonstrating characteristic eggs (eggs with terminal spine) in the urine.