Volume 24, Issue 2
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



Patients scheduled for cystectomy for bladder carcinoma or exstrophy of the bladder were studied. The number of eggs per day passed in the urine preoperatively was compared with the number of worms recovered from the cystectomy specimen by dissection. A mean of 203 embryonated eggs per day per worm pair were recovered from the urine of active, untreated cases. The relation between the number of females recovered and the number of living eggs passed in the urine was questionably significant. The correlation between females and all eggs (living and dead) passed in the urine was somewhat better. Several females were recovered from one specimen. This patient passed 139 embryonated eggs per day in the urine for each female worm recovered. Only one active case, treated 6 weeks before operation, might have been missed on routine parasitological examination of the urine.


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