Related Experiment Video
Updated: Apr 13, 2026

04:09
The Pocket-Creation Procedure of Endoscopic Submucosal Dissection for Large Rectal Laterally Spreading Tumors
Published on: February 13, 2026
163
Primary anorectal malignant melanoma treated with endoscopic mucosal resection
Jong Hoon Park1, Jeong Rok Lee1, Hyung Seok Yoon1
1Department of Internal Medicine, Konkuk University Chungju Hospital, Konkuk University School of Medicine, Chungju, Korea.
Intestinal Research
|May 2, 2015
Summary
Endoscopic mucosal resection with interferon therapy offers a less invasive treatment for rare anorectal melanoma. This approach resulted in a 5-year disease-free survival in a recent case study.
Area of Science:
- Gastroenterology
- Surgical Oncology
- Melanoma Research
Background:
- Anorectal melanoma is a rare malignancy, comprising 1-4% of all anorectal tumors.
- Standard treatment involves radical surgery like abdominoperineal resection or wide local excision.
- This rare cancer presents unique challenges due to its location and histology.
Purpose of the Study:
- To report a case of anorectal melanoma treated with a minimally invasive endoscopic approach.
- To evaluate the efficacy of endoscopic mucosal resection combined with adjuvant interferon therapy.
- To highlight an alternative treatment strategy for patients with anorectal melanoma.
Main Methods:
- A case report of a 77-year-old male patient with anorectal melanoma.
- Treatment involved endoscopic mucosal resection (EMR).
- Adjuvant interferon therapy was administered post-resection.
Main Results:
- The patient achieved a 5-year disease-free survival post-treatment.
- Endoscopic mucosal resection proved to be an effective alternative to surgical resection.
- The patient tolerated the treatment well with no reported recurrence.
Conclusions:
- Endoscopic mucosal resection with adjuvant interferon therapy is a viable and effective treatment option for anorectal melanoma.
- Minimally invasive endoscopic techniques may offer a promising alternative for selected patients.
- Further research is warranted to establish the long-term outcomes of this therapeutic strategy.
Keywords:
Abdominoperineal resectionAnorectal melanomaEndoscopic mucosal resectionInterferon-alphaWide local excision
