Thank you for your query at DoctorSpring.com.
The pathologist saw numerous fragments of papillary urothelium. Urothelium(urinary tract lining) is normally papillary and hence what the pathologist saw is just normal epithelium(lining) and nothing else. The CIS is high grade and is very rarely low grade.
Specifically answering each of your questions;
Q1- Yes, if it were CIS, it would have shown up on cytology as an abnormal result which is not the case.
Q2- No, the papillary fragments were normal epithelium and not CIS.
Q3- Yes primary CIS of urinary tract is very rare and you do not have it.
You are not suffering from anything and what the pathologist saw is normal epithelium.
Stay reassured. Let me know if you have any queries.
Dr Rajiv Goel,
MS (AIIMS), MCh (AIIMS), DNB ( Uro),
Fellow, Urooncology and Robotic urology, Australia,
Fellow, Laparoscopic urology, Germany,