Endorectal ultrasound in rectal cancer
Article first published online: 15 AUG 2003
Volume 5, Issue 5, pages 402–405, September 2003
How to Cite
Hünerbein, M. (2003), Endorectal ultrasound in rectal cancer. Colorectal Disease, 5: 402–405. doi: 10.1046/j.1463-1318.2003.00516.x
- Issue published online: 15 AUG 2003
- Article first published online: 15 AUG 2003
- Received 3 October 2002; accepted 1 December 2002
- Rectal cancer;
- endorectal ultrasound;
Accurate staging of rectal carcinoma is crucial for planning surgery and the indication for adjuvant therapy. Although computed tomography and magnetic resonance imaging are very sensitive in the detection metastastic disease, local staging of rectal cancer with these techniques has been disappointing.
Endorectal ultrasound (EUS) remains the most accurate method for staging of rectal cancer. High accuracy rates in the assessment of the depth of infiltration (T stage) (80–90%) and in the determination of the lymph node status (70–80%) have been confirmed in several studies. Continued research and development has made the instrumentation for EUS more accurate and user-friendly. New techniques that have contributed significantly to the evolution of EUS include three-dimensional EUS, high-frequency miniprobes and transrectal ultrasound-guided biopsy techniques. Further improvement can be expected by contrast enhancement with microbubbles and colour Doppler imaging.