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Mountainbiker's hematuria: a case report
Maarten Albersen1, Luc J M Mortelmans, Joost A Baert
1Department of Emergency Medicine, AZ KLINA, Brasschaat, Belgium.
Summary
Exercise-induced hematuria is rare in cycling, unlike in running. This case report details atraumatic hematuria after mountain biking, likely from bladder trauma, resolving with hydration.
Area of Science:
- Urology
- Sports Medicine
- Exercise Physiology
Background:
- Exercise-induced hematuria (EIH) is commonly observed in endurance athletes, particularly runners.
- The etiology of EIH in runners is typically attributed to renal trauma.
- EIH is considered exceptionally rare in cycling disciplines.
Observation:
- This report presents a case of gross, atraumatic hematuria following a mountain biking session.
- The patient experienced significant hematuria without preceding trauma.
- Physical examination revealed a hyperemic zone in the bladder mucosa.
Findings:
- The observed bladder mucosal hyperemia suggests a local traumatic etiology.
- This contrasts with the renal origins commonly reported in marathon runners.
- The condition is typically benign and self-limiting, resolving within 24 hours.
Implications:
- Prevention strategies, such as adequate bladder filling, are recommended.
- Differential diagnosis must include urothelial neoplasms.
- This case highlights a rare presentation of EIH in a cycling context.