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Colon and Rectal Surgery
The Department of Colon and Rectal Surgery specializes in surgical and multimodal treatments for lower digestive tract diseases such as colon cancer and inflammatory bowel disease.
Medical services
Five-member teams consisting of two to three supervising surgeons,one to two junior supervising surgeon, and one to two residents provides treatments in the inpatient ward. Experienced staff supervises the entire treatment, including surgery. Conferences are held three times weekly to discuss detailed treatment plans and other pertinent issues for individual cases. The outpatient clinic is open from Monday to Friday for general and specialized medical services.
Diagnosis and treatment policy
The surgeons in this department take the time to provide explanations before examinations and treatment. Particularly when the treatment plan includes surgery, the surgeon explains the advantages and disadvantages of multiple treatment options and is obligated to respect the patient’s decision.
Specialties
More than 1,000 colon oscopic examinations are performed annually. Endoscopic mucosal resection is performed for early-stage cancer localized in the mucosa. The number of colon cancer resections performed annually exceeds 250. The department specializes particularly in rectal cancer surgery with the preservation of urination, defecation and sexual functions; and endoscopicallyassisted, minimally invasive colorectal resection.
Target diseases
Colorectal cancer, ulcerative colitis, Crohn’s disease, small intestinal tumors
Advanced treatments/ Specialized treatments
- Preoperative chemoradiotherapy for rectal cancer for the preservation of rectal function
- Minimally invasive laparoscopically-assisted colorectal resection
- Robot-assisted rectal resection
Frequently performed tests
Outpatients
- Lower gastrointestinal endoscopy: terminal ileum, colon and rectum
- Gastrointestinal contrast examination: x-ray examination of the small intestine and large intestine using contrast agent
- Anorectal function test: measurement of anal sphincter pressure and rectal volume
Inpatients
- Resection and diagnosis of intramucosal colon and rectal cancer
Soichiro Ishihara
Departments/Divisions
Colorectal Surgery; Vascular Surgery
Titles
M.D., Ph.D
Expertise/Specialties
General Surgery, Gastrointestinal Surgery, Colorectal Surgery, Laparoscopic Surgery, Robotic Surgery, Minimally Invasive Surgery, Chemotherapy, Gastrointestinal Endoscopy, Colorectal Disease, Anorectal Disease, Colorectal Cancer, Inflammatory Bowel Disease, Diverticular Disease, Colorectal Polyp, Vascular Surgery, Abdominal Aortic Aneurysm, Thoracic Aortic Aneurysm, Endovascular Aneurysm Repair, Thoracic Endovascular Aortic Repair, Distal Bypass, Critical Limb Ischemia, Takayasu's Disease, Buerger Disease, Pancreatoduodeal Artery Aneurysm, Popliteal Entrapment Syndrome, Behçet's Disease, Carotid Endarterectomy, Hemodialysis, Peripheral Artery Aneurysm, Segmental Arterial Mediolysis, Deep Vein Thrombosis
Research Interests
Surgical Oncology, Vascular Surgery
Languages
Japanese/English
Major diseases and numbers of inpatients treated
| Disease name | Total number of patients |
|---|
| 1 | Colon cancer | 704 |
| 2 | Inflammatory bowel disease | 81 |
| 3 | Gastric cancer | 105 |
| 4 | Diseases of the small intestine and ileus | 58 |
| 5 | Hernia | 23 |
| 6 | Appendicitis | 19 |
| 7 | Gastrointestinal perforation peritonitis | 23 |
(2015)
Areas of expertise, treatment and examination methods
Diseases
- Colon cancer
- Inflammatory bowel disease
Treatment methods
- Colectomy (including robot-assisted and laparoscopic surgeries)
- Chemotherapy
Examination methods
- Endoscopy
- Gastrointestinal contrast radiography
- Endoscopic ultrasound
Numbers of major operations and treatments performed
| Name of operation/treatment | Number |
|---|
| 1 | Colectomy (cancer) >> Laparoscopic >> Robot-assisted |
276 257 21 |
| 2 | Surgery for inflammatory bowel disease | 27 |
| 3 | Port placement for intraperitoneal chemotherapy | 16 |
(2015)
Major diseases and numbers of in- and outpatients treated in this department
| Disease name | Number |
|---|
| 1 | Lower gastrointestinal endoscopy | approx. 1,200 |
| 2 | Upper gastrointestinal endoscopy | approx. 500 |
| 3 | Barium enema examination | approx. 600 |
| 4 | Small bowel series | approx. 10 |
(2015)
