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Total Mesorectal Excision (TME)

Standard surgical technique for rectal cancer with optimal oncologic outcomes

Written by: Saygı Hospital Health Guide Editorial Board
Last updated:

This content has been compiled by the Saygı Hospital Health Guide Editorial Board and is periodically reviewed by a specialist physician.

References (5)

This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Genel Cerrahi department. Book Appointment →

What is Total Mesorectal Excision (TME)?

Pioneered by R.J. Heald in the 1980s, TME has become the global standard of care for resectable rectal cancer.

The procedure follows a sharp dissection plane along the mesorectal fascia to ensure complete removal of nodal-bearing perirectal fat.

TME can be performed via open, laparoscopic, robotic or transanal (taTME) approaches.

Local recurrence rates have fallen from 30 percent to under 5–10 percent with proper TME technique.

Pathologic assessment of the TME specimen (Quirke grading: complete, near-complete, incomplete) is a key quality marker.

Symptoms

Indication: pathologically confirmed mid- or low-rectal adenocarcinoma after staging by MRI of the pelvis and CT chest/abdomen
Preoperative imaging defines T-stage, N-stage, mesorectal fascia involvement and extramural vascular invasion
Most patients with locally advanced disease (T3 or N+) receive neoadjuvant chemoradiotherapy first
Postoperative recovery: 5–10 days hospital stay; bowel function returns over weeks to months
Sexual and urinary function may be transiently or permanently affected due to autonomic nerve proximity
Quality of resection (Quirke I = complete) correlates with long-term oncologic outcome

Risk Factors

Locally advanced disease, large tumors, narrow male pelvis or obesity increase technical difficulty
Prior pelvic surgery or radiation distorts planes and elevates risk
Comorbidities affecting healing (diabetes, smoking, malnutrition) raise anastomotic leak risk
Sphincter-sparing surgery requires adequate distal margin (typically 1–2 cm) and continent sphincter function
Permanent stoma may be required for very low rectal tumors or sphincter compromise

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • New rectal bleeding, change in bowel habits, tenesmus, narrowed stool caliber
  • Iron-deficiency anemia of unknown source in adults
  • Family history of colorectal cancer or known hereditary syndromes
  • Postoperative warning signs after TME: high fever, increasing pelvic pain, low urine output, abdominal distension (concern for anastomotic leak)
  • Late warning signs: pelvic pain, perineal mass, weight loss (concern for recurrence)

Treatment Methods

01
Multidisciplinary team review with surgeon, medical and radiation oncology, radiology, pathology
02
Neoadjuvant treatment for locally advanced disease: long-course chemoradiation or short-course radiation, often followed by chemotherapy
03
Surgical approach: laparoscopic, robotic or open TME — restorative anastomosis whenever sphincter preservation is feasible
04
Defunctioning ileostomy commonly used for low anastomoses to protect the join during healing
05
Pathology assessment with Quirke grading and circumferential resection margin status
06
Adjuvant chemotherapy when indicated based on stage and response to neoadjuvant therapy
07
Surveillance: history, exam, CEA every 3–6 months for 2 years, CT and colonoscopy on schedule

Which Department to Visit?

You can visit our Genel Cerrahi department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.