4. Jonathan Wilson

Jonathan Wilson

Consultant Colorectal and General Surgeon

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Treatments provided by Jonathan Wilson

Mr Wilson is a highly experienced surgeon offering the latest treatment for conditions including diverticular disease, ulcerative colitis, Crohn’s Disease and bowel cancer.

Conditions treated include:

  • Rectal bleeding (Haemorrhoids and anal fissure)
  • Colon and rectal cancer (including colonscopy) 
  • Diverticular disease of colon 
  • Abdominal wall and groin hernia repair
  • Management of gallstones

Treatments, operations and tests

The aims are to find the track of a low fistula, cut down onto it and allow it to heal. Imagine a tunnel being changed into a trench, by taking the roof off. The wound heals from the floor of the trench to form a flat scar, which may take several weeks. .If you do nothing, the fistula may heal up by itself. More often, the discharge continues. Perianal abscesses may form in the same place over time.With some very complex high fistulas, just treating the abscesses that appear from time to time may be the best treatment.An older treatment was to pass a thread from the skin opening, through the fistula, out through the anus, and to tie the thread in a loop.
An appendectomy (sometimes called appendisectomy or appendicectomy) is the surgical removal of the vermiform appendix. This procedure is normally performed as an emergency procedure, when the patient is suffering from acute appendicitis. In the absence of surgical facilities, intravenous antibiotics are used to delay or avoid the onset of sepsis; it is now recognized that many cases will resolve when treated non-operatively.
Colorectal cancer (aka colon cancer); Many strains of colon cancers start as colon polyps which develop into their cancerous forms within a decade of appearing in the colon . As a result, many doctors advocate colon cancer screening and colon polyp removal for at-risk patients. The process of removing colon polyps is fairly straightforward. A colonoscopy or sigmoidoscopy tube with a wire loop is used to cauterize the polyp and its base completely. Larger polyps that cannot be removed using the flexible colonoscopy tube are typically removed via laparoscopy while the patient is under general anesthesia
Colonoscopy is a diagnostic procedure which enables a doctor, usually a gastroenterologist, to examine the appearance of the inside of the colon or large bowel. The doctor inserts a flexible tube into the anus, and then, into the rectum and through to the colon. The doctor controls the colonoscope by looking through the scope or by using a camera image projected onto a screen.
Flexible sigmoidoscopy is done to detect cancer in the portion of the colon, the sigmoid colon, close to the rectum and anus. A small tube containing viewing equipment is placed through the anus into the colon. As the tube is slowly removed from the colon, the doctor looks for any abnormalities. If a polyp or other abnormality is identified, a biopsy may be taken to test for the presence of cancer. Polyps may also be removed. If polyps are detected, a full colonoscopy may be recommended to check the entire colon and remove any additional polyps. There are rarely any major complications, but feeling bloated and cramping is normal. The procedure usually takes around 15 minutes, and can be done as an outpatient procedure.
Gall bladder removal (cholecystectomy) surgery is usually performed laparoscopically (keyhole), using a laparoscope. The surgeon removes your gall bladder with the aid of a small camera which is inserted into the abdomen via one of a number of small incisions in the abdomen. It is now a relatively common procedure which requires only a short time in hospital.
Haemorrhoids (or piles) occur when a haemorrhoidal cushion of tissue is displaced such that it slides out of the anus. During injection treatment, a chemical solution is injected into the blood vessels around the anus, numbing the tissue and causing the haemorrhoid to decrease in size or shrivel up in four to six weeks.
The Haemorrhoidal Artery Ligation - Recto Anal Repair (HAL-RAR) operation is a new operation designed to eradicate piles without the need for cutting or a general anaesthetic. The Haemmorrhoid Artery Ligation operation uses a miniature Doppler ultrasound device to locate all the arteries supplying the haemorrhoids as they come down from the rectum under the lining of the bowel. The device also has a small window which allows a stitch to be placed around the artery thus cutting off the blood supply to the pile.
Haemorrhoids (or piles) occur when a haemorrhoidal cushion of tissue is displaced such that it slides out of the anus. One in ten haemorrhoids have to be treated with surgery, surgery is performed under local anaesthetic and aims to either remove the haemorrhoid directly, or to reduce the blood supply, causing them to shrink.
An epigastric hernia happens when a weakness in the abdominal muscle allows the tissues of the abdomen to protrude through the muscle. An epigastric hernia is usually present at birth, and may heal without treatment as the infant grows and the abdominal muscles strengthen. An epigastric hernia is similar to a umbilical hernia, except the umbilical hernia forms around the belly button and the epigastric hernia is usually between the belly button and the chest.
Femoral hernias occur just below the inguinal ligament, when abdominal contents pass through a naturally occurring weakness called the femoral canal. Femoral hernias are a relatively uncommon type, accounting for only 3% of all hernias. While femoral hernias can occur in both males and females, almost all of them develop in women because of the wider bone structure of the female pelvis. Femoral hernias are more common in adults than in children. Those that do occur in children are more likely to be associated with a connective tissue disorder or with conditions that increase intra-abdominal pressure.
A hernia is a weakness in the stomach or abdominal wall. There are various forms of treatment - open hernia surgery using a mesh to repair the weakness, and keyhole surgery which may enable you to return to normal activities sooner.
A hernia occurs when the abdominal muscle weakens, resulting in a bulge or tear through which tissue can be pressed and cause extreme pain. Laparoscopic techniques require a small incision and the insertion of a camera/tool to repair the hernia through surgical staples and patches. While the incision is minimal and generally performed as an outpatient procedure it requires a general anaesthetic.
The hernia pouch or sac is the lining of the inside of the tummy wall. It pushes through the weakness at the tummy button. The sac has a fatty covering and inside there may be bowel or fatty tissue called omentum. The sac steadily gets larger and can be painful. The bowel and omentum may get stuck in the sac. Their blood supply can be cut off and the bowel and omentum can strangulate and die. This causes vomiting, great pain and is very serious. Umbilical hernias are very common and easily treated, particularly when small. If treated when they are small, this will prevent strangulation and make the strongest repair.
A hernia occurs when the abdominal muscle weakens, resulting in a bulge or tear through which tissue can be pressed and cause extreme pain. Surgical intervention uses a single long incision to allow access to the site of the hernia where the bulge can be removed or pushed back into the abdominal cavity and the muscle walls repaired with stitches or patches depending on the size of the rupture.
A hernia occurs when the abdominal muscle weakens, resulting in a bulge or tear through which tissue can be pressed and cause extreme pain. Laparoscopic techniques require a small incision and the insertion of a camera/tool to repair the hernia through surgical staples and patches. While the incision is minimal and generally performed as an outpatient procedure it requires a general anaesthetic.
MRI (magnetic resonance imaging) is a type of scan that is often used to diagnose health conditions that affect organs, tissue and bone. Virtual colonoscopy captures hundreds of exceptionally detailed images from outside the body. The images build up a complete picture of the colon, allowing for visualisation of any small polyps or changes in the bowel such as diverticular disease.
A lower anterior resection, formally known as anterior resection of the rectum and anterior excision of the rectum or simply anterior resection (less precise), is a common surgery for rectal cancer and occasionally is performed to remove a diseased or ruptured portion of the intestine in cases of diverticulitis. It is commonly abbreviated as LAR.
Pilonidal disease was first described by Hodges in 1880 and is diagnosed by the finding of a characteristic epithelial track (the sinus) situated in the skin of the natal cleft, a short distance behind the anus and generally containing hair, hence the name pilonidal taken from the Latin, meaning literally 'nest of hairs'. During the Second World War the condition was common in jeep drivers, which led to it being known as 'jeep disease'. A similar condition arises in the clefts between the fingers of barbers or hairdressers caused by customers' hair entering moist, damaged skin.
A bowel resection is a surgical procedure in which a part of the large or small intestine is removed. It may be performed due to cancer, necrosis, enteritis, diverticular disease, or a block in the intestine due to scar tissue. Other reasons to perform bowel resection include ulcerative colitis, traumatic injuries, precancerous polyps, and familial polyposis. Large bowel resection is used to treat a many conditions. Some of these are: * Colon cancer Diverticular disease (disease of the large bowel) * A block in the intestine due to scar tissue
Excision refers to removal of a skin lesion by completely cutting it out. Lesionsare lumps or bumps such as moles, cysts, lipoma’s (fatty lumps). Most are benign (non-cancerous). Excision refers to removal of a skin lesion by completely cutting it out.
Anal fissure surgery's aim is to weaken the sphincter muscle by cutting one side of it. This is called a lateral sphincterotomy. This lets the fissure heal up within a week or so. The sphincter muscle will also recover in a week or two. The alternative first line of treatment is usually a course of bathing and special creams containing muscle relaxants or local anaesthetic. If they do not work, the sphincterotomy is usually the next step.Stretching the muscle is an alternative to cutting it, but there is a greater chance of poor control of your wind and motions after stretching, especially in older patients. There is also a higher chance of the fissure coming back.