Areas of Expertise

Mr von Roon performs a range of treatments, including:

• Laparoscopic colorectal surgery
• Complex inflammatory bowel disease and ileoanal pouch surgery
• Colorectal cancer
• Intestinal failure surgery
• Laparoscopic and open hernia repair, including complex ventral hernia and abdominal wall reconstruction
• Laparoscopic cholecystectomy
• Haemorrhoidal treatment (including the Rafaelo procedure under local anaesthetic)
• Fistula in ano and pilonidal sinus surgery
• Colonoscopy

Some of the conditions he commonly treats are:

• Colorectal cancer and polyps
• Crohn’s disease
• Ulcerative colitis
• Diverticular disease
• Fistula in ano
• Haemorrhoids
• Anal fissure
• Pilonidal sinus
• Inguinal hernia
• Femoral hernia
• Umbilical hernia
• Ventral and incisional hernia
• Benign gallbladder disease
• Benign skin lesions

About Mr Alexander Von Roon

Mr Alexander von Roon is a consultant colorectal surgeon at OneWelbeck Digestive Health, specialising in inflammatory bowel disease, colorectal cancer, minimally invasive surgery, proctology and complex hernia surgery.

He was the clinical lead for enhanced recovery after colorectal surgery whilst at Imperial College and is currently co-lead for inflammatory bowel disease surgery at University College London Hospitals.

Mr von Roon completed his undergraduate medical training at Sheffield University and Imperial College London in 2001 and undertook higher surgical training on the Northwest Thames Rotation. He received a research fellowship from the Royal College of Surgeons of England in 2008 and was awarded a PhD by Imperial College London in 2012.

He underwent subspecialist training in colorectal surgery in Adelaide, Australia and St Mark’s Hospital before being appointed Clinical Senior Lecturer and Consultant Colorectal Surgeon at St Mary’s and Charing Cross Hospitals in 2015. During this time, he started specialising in inflammatory bowel disease surgery, became clinical lead for enhanced recovery after colorectal surgery and trained on the Senhance robotic surgery platform.

In 2019 he moved to University College London Hospital, where he continues to develop his subspecialist interests in surgery for complex inflammatory bowel disease, intestinal failure and minimally invasive techniques.

Reviews

Research Highlights

Mr von Roon completed his PhD research at Imperial College in collaboration with St Mark’s Hospital, focusing on outcomes of ileoanal pouch surgery for familial adenomatous polyposis and metabonomic profiling of pouchitis in ulcerative colitis. He has maintained a research collaboration with the Polyposis Registry at St Mark’s Hospital and co-supervises several PhD students investigating the natural history of gastroduodenal and ileoanal pouch polyposis in FAP, genetic and environmental factors associated with these and colorectal anastomotic healing.

He also has an interest in evidence synthesis in inflammatory bowel disease, surgical education and surgical trials. He has published over 20 peer-reviewed papers in the field of colorectal surgery and is a reviewer for a number of surgical journals.