Can lynch syndrome cause upper tract urothelial cancer?

Upper tract urothelial cancer begins in the lining of the renal pelvis or ureter, the structures that collect urine from a kidney and carry it to the bladder. Having Lynch syndrome increases susceptibility but does not confirm that cancer is present.

The mismatch-repair genes affected in Lynch syndrome normally correct errors made as cells copy DNA. An inherited harmful change can allow errors to build up, which may eventually turn a urothelial cell cancerous.

Risk varies between people with Lynch syndrome. The particular gene change, personal history and pattern of cancers in the family help a genetics or urology team judge which follow-up is reasonable.

Share your genetic test report and family cancer history with the clinician coordinating Lynch syndrome care. Ask whether urinary-tract surveillance is appropriate for your circumstances and what each proposed test can and cannot detect.

Do not wait for a routine review if urinary symptoms appear. A clinician may consider urine testing and imaging or refer you to urology, depending on the symptom and examination. Blood in urine needs assessment even when it happens once or causes no pain.

Contact a healthcare professional promptly if you see pink, red or brown urine, or if a test detects blood in the urine. Persistent pain in the side or back, repeated urinary infections, unexplained tiredness or unintended weight loss also warrant assessment.

Get urgent help if bleeding produces clots or you cannot pass urine, or if severe side pain occurs with fever, vomiting, confusion or feeling faint.

You might ask which gene is affected, whether your family history changes the follow-up plan, who will coordinate surveillance, and which urinary changes require same-day advice. If testing is suggested, ask what the result would change and whether a urology referral is needed.