Mr Peter Acher

Mr Peter Acher

MA PGCAP FRCS (Urol) PhD

Consultant Urological Surgeon

Mr Acher is based in Essex and is a Consultant at the NHS Southend University Hospital, where he practices General Urology, with special interests in urinary stone disease, problems with urinary flow and urological cancers.

Mr Acher qualified as a doctor in 1999 and in 2011 was appointed Consultant Urological Surgeon at Southend University Hospital, following comprehensive training on the London Specialist Registrar rotation. Prior to this, he studied at Cambridge University, achieving a PhD in Prostate Cancer Brachytherapy and, in 2010, received a commendation at the prestigious Royal Society of Medicine Young Trainee of the Year Awards.

Mr Acher has particular expertise in the diagnosis and minimally invasive management of localised prostate cancer, including HDR and LDR Brachytheraphy. He has developed a state-of-the-art prostate cancer diagnostic service with MRI and Transperineal Prostate Biopsy, which attracts referrals from outside the region.
Currently the lead for audit within the Urology Department at Southend University Hospital and Cancer Lead for the South East Essex Urology multi-disciplinary team, Mr Acher has shown a strong commitment to teaching by attaining a formal qualification, the Postgraduate Certificate of Academic Practice, and he plans to remain involved with education in the future.
He has also written a PhD thesis entitled ’The Dosimetric Evaluation of Permanent Prostate Brachytherapy Implants‘, awarded by King’s College School of Medicine, London. Mr Acher has been published in a variety of journals, presents work at scientific meetings and regularly writes reviews for several journals. Mr Acher investigates and manages the following:
o General Urology
o Difficulty passing urine (laser surgery for benign prostate disease, urethral strictures)
o Raised PSA/Prostate Cancer Diagnosis and MRI Targeted Transperineal Prostate Biopsy, active surveillance, Brachytherapy
o Holmuim Laser Enuleation of the prostate
o Kidney stone disease
o Endourological Stone Management, including Ureteroscopy
o Circumcision (including local anaesthetic)
o Scrotal conditions eg. hydrocele repair, Vasectomy, epididymal cyst removal
o Prostate Brachytherapy when facilities allow.


Mr Sam Datta

Mr Sam Datta

BSc(Hons) MSc MD FRCS(Urol) PgCME

Consultant Urological Surgeon

Mr Datta is a specialist in the treatment of the kidneys, bladder, prostate and genitalia in men and women. He is particularly skilled in the specialist treatment of urinary stone disease using minimally invasive surgery and the prevention of stones. He provides quick friendly diagnosis and treatment for a wide range of urological conditions.

Mr Datta graduated from University College London, obtaining an Intercalated Degree in Neuroscience and a distinction in Medicine and Surgery.
He was a Royal College of Surgeons Research Fellow at the National Hospital for Neurology and Neurosurgery whilst publishing several papers and book chapters and obtaining a Masters and Doctoral degrees in Neuro-urology.
Mr Datta trained in London at the Hammersmith Hospital Surgical Rotation and the North Thames Deanery, from which he graduated as a Urological Surgeon in 2012. He has worked as a consultant at the Royal Free London.
He is the undergraduate tutor for Urology at Colchester Hospital and has a postgraduate certificate in medical education.
If you are concerned about a higher than normal PSA reading, recurrent urinary infections, blood in the urine or erectile problems, Mr Datta can provide a comprehensive diagnostic workup and treatment pathway.
He sees female patients with bladder problems as well as children with paediatric urological conditions requiring both medical and surgical management.
Professional memberships
Mr Datta is a Fellow of the Royal College of Surgeons of England. He is a member of the British Association of Urological Surgeons and the European Association of Urologists. He regularly attends conferences with the American Urological Association.
NHS base
Colchester Hospital University Foundation Trust

• Female bladder problems
• Paediatric urological conditions
• Urinary stone diseases.


Mr Ranjan Thilagarajah

Mr Ranjan Thilagarajah

MS FRCS (Eng) FRCS (Urol)

Consultant Urological Surgeon

Mr Thilagarajah is a Consultant Urological Surgeon, based in Chelmsford, who specialises in prostate and bladder disorders, stone disease and cancers of both the kidneys and prostate.

Following his training at Charing Cross Hospital and Westminster Medical School, Mr Thilagarajah went on to attain a Master of Surgery Degree at Imperial College School of Medicine, investigating the causes, diagnosis and treatment of painful bladder disease and interstitial cystitis. In 2001, he achieved recognition on the Specialist Register for Urology (CCST), the FRCS (Urol).
Mr Thilagarajah then furthered his training as a Laparoscopic Urological Surgeon as Urology Senior Fellow at Alexandra Hospital, Brisbane, Australia. On his return to the UK, Mr Thilagarajah received specialist training in stone surgery at the Institute of Urology at Middlesex Hospital before being appointed Consultant Urological Surgeon at Mid Essex Health Services NHS Trust.
Mr Thilagarajah was Clinical Lead in Urology until 2012 and remains the Robotic Surgery Services Clinical Lead for Broomfield Hospital. He assisted in the creation of the Robotic Kidney Service in his role as Honorary Consultant Urological Surgeon at the Royal Marsden Hospital.
Mr Thilagarajah was instrumental in the initiation of the GreenLight laser prostate service at Broomfield Hospital, winner of an NHS Innovations award in 2005.
Mr Thilagarajah’s pastimes range from the positively sedate, namely his love of gardening and rallying in very old cars, to the positively dangerous - indulging his penchant for winter sports. He completed the Monte Carlo Rallye Historique in 2008 as part of the Broomfield Laser Charitable Appeal which raised over £220,000 for laser equipment.
Mr Ranjan Thilagarajah owns a 9.37% share in Baddow Hospital LTD

• Urology
• Prostate disorders
• Stone disease
• Bladder disorders
• Kidney cancer
• GreenLight Laser Prostatectomy
• Prostate cancer
• Laparoscopic (keyhole) & robotic surgery