Siân Allen is a full-time Consultant Urological Surgeon at University College Hospital, London. In addition to her broad background in general urology, Siân has developed a subspecialist practice in EndoUrology and Stone disease, treating complex cases from across the UK.

As well as performing minimally invasive surgery to remove kidney and bladder stones, she has a wide practice treating patients with obstructed kidneys from a variety of causes including malignancy, gynaecological disease and radiotherapy.

• Acute renal colic
• Urinary tract stones including kidney
• Ureteric and bladder stones
• Obstructed kidneys
• Ureteric obstruction/compression
• Upper tract transitional cell carcinoma
• Urinary tract infections
• Rigid & flexible cystoscopy
• Urethral dilatation
• Cystoscopy + bladder biopsies
• Diagnostic rigid ureteroscopy

• Acute renal colic
• Urinary tract stones including kidney
• Ureteric and bladder stones
• Obstructed kidneys
• Ureteric obstruction/compression
• Upper tract transitional cell carcinoma
• Urinary tract infections
• Rigid & flexible cystoscopy
• Urethral dilatation
• Cystoscopy + bladder biopsies
• Diagnostic rigid ureteroscopy