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Inguinal lymph node metastases from rectal adenocarcinoma
P Luna-Pérez1, P Corral, S Labastida
1Surgical Oncology Department, Hospital de Oncología, Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, México D.F., Mexico. lunapp@acnet.net
Journal of Surgical Oncology
|April 2, 1999
Summary
Inguinal lymph node metastases in rectal adenocarcinoma patients indicate poor prognosis and systemic disease. Current therapies show limited effectiveness, suggesting palliative care is most appropriate for these advanced cases.
Area of Science:
- Oncology
- Gastrointestinal Surgery
- Medical Research
Background:
- Rectal adenocarcinoma with inguinal lymph node metastases presents a poor prognosis.
- Understanding the clinical behavior and treatment response in this patient group is crucial.
Purpose of the Study:
- To analyze the clinical behavior of patients with inguinal lymph node metastases from rectal adenocarcinoma.
- To evaluate the response to various therapeutic interventions in this specific patient cohort.
Main Methods:
- Retrospective analysis of 32 patients diagnosed with inguinal lymph node metastases from rectal adenocarcinoma (1985-1996).
- Patients were categorized into synchronous (Group A) and metachronous (Group B) groups based on diagnosis timing.
- Therapeutic interventions included chemoradiotherapy, surgery, and supportive care.
Main Results:
- High rates of concomitant extrapelvic metastatic disease were observed in both groups (78% in Group A, 93% in Group B).
- Treatments yielded progressive metastatic disease in most patients, with a median survival of 8 months in Group A and 13 months in Group B.
- Overall 5-year survival was 0% for both groups, indicating a dismal outcome despite interventions.
Conclusions:
- Inguinal metastases in rectal cancer signify advanced systemic disease.
- The poor response to available therapies underscores the limited efficacy of aggressive treatment.
- Palliative treatment strategies are recommended for patients with inguinal metastases from rectal adenocarcinoma.