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Anorectal melanoma: a large clinicopathologic study from India
Ganesh Das1, Samir Gupta, P J Shukla
1Gastrointestinal Service, Department of Surgical Oncology, Tata Memorial Hospital, Santacruz-W, Mumbai, India.
International Surgery
|May 7, 2003
Summary
Anorectal melanoma is a rare cancer with poor survival. Radical surgery may benefit selected patients with localized disease, offering better palliation than local excision for large tumors.
Area of Science:
- Oncology
- Surgical Oncology
- Gastroenterology
Background:
- Anorectal melanoma is a rare malignancy with a poor prognosis, often presenting with rectal bleeding or a mass.
- Current management strategies, including local excision versus radical surgery, remain controversial.
Purpose of the Study:
- To analyze the outcomes of patients with anorectal melanoma managed at a single center.
- To evaluate the effectiveness of different surgical approaches in localized and advanced disease.
Main Methods:
- Retrospective analysis of 72 patients diagnosed with anorectal melanoma between 1990 and 2001.
- Data collected on patient presentation, surgical management (abdomino-perineal resection vs. local excision), lymph node status, and survival outcomes.
Main Results:
- 66% of patients presented with distant metastases, highlighting the advanced stage at diagnosis.
- Disease-free survival was significantly different based on lymph node status: 10.3 months for node-positive and 26.5 months for node-negative patients.
- Radical surgery (abdomino-perineal resection) provided better palliation for large, bulky localized anorectal melanoma compared to local excision.
Conclusions:
- A subset of patients with localized anorectal melanoma can achieve better outcomes with radical surgery.
- Radical surgery offers superior palliation for bulky localized anorectal melanoma.
- Further research is needed to optimize treatment strategies for this rare and aggressive cancer.