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A huge bladder cystine stone.
Mesut Gürdal1, Ali Ayyildiz, Emre Huri
1Ministry of Health, Ankara Training Hospital, Second Urology Clinic, Ankara, Turkey. gurdalcm@yahoo.com
International Urology and Nephrology
|June 17, 2004
Summary
A rare, giant cystine bladder stone was found in a 24-year-old man with cystinuria. This case highlights the exceptional nature of such large cystine stones in patients with this genetic condition.
Area of Science:
- Urology
- Nephrology
- Medical Imaging
Background:
- Cystinuria is a rare inherited disorder of amino acid transport.
- It leads to the formation of cystine stones in the urinary tract.
- Bladder stones are less common than kidney stones in cystinuria.
Observation:
- A 24-year-old male patient presented with a giant bladder stone.
- Radiographs revealed a stone measuring 8.0 x 10.0 x 5.0 cm.
- This stone was composed of cystine, which is unusual for bladder stones.
Findings:
- The presented cystine bladder stone is exceptionally large.
- Its size and location are highly unusual for cystine urolithiasis.
- Literature review indicates few giant stones and even fewer giant cystine stones.
Implications:
- This case underscores the potential for extreme stone growth in untreated or undertreated cystinuria.
- It highlights the importance of early diagnosis and management of cystinuria.
- Further research into factors contributing to giant cystine stone formation may be warranted.