Esophageal cancer/ Gastric cancer
Conditions
Interventions
We use radioisotope and blue stain as a tracer, and perform SN mapping. We diagnose metastasis of SN by intraoperative and frozen tissue examination.
Sponsors
Keio University School of Medicine
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1) Age 20 to 80 2) Esophageal cancer or gastric cancer patients with no nodal metastasis nor distant metastasis. 3) Tumor with single lesion. 4) Provided with written informed conscent. 5) Histopathological results does not matter.
Exclusion criteria
Exclusion criteria: 1) Pregnancy, severe drug allergy, asthoma. 2) Multiple tumor lesion or with synchronous or metachronous (within 5 years) malignancies. 3) With prior endoscopic treatment to same lesion. 4) Judged as irrelevant object for this study 5) Refusal of the trial entry 6) Absolute indication for endoscopic treatments
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Accuracy of nodal evaluation of metastasis based on sentinel node biopsy. | — |
Secondary
| Measure | Time frame |
|---|---|
| Number of identified SNs, Detection rate of sentinel nodes, sensitivity to detect lymph node metastasis based on sentinel node biopsy, negative predictive value of lymph node metastasis. | — |
Countries
Japan
Contacts
Public ContactKazumasa Fukuda
Keio University, School of Medicine Department of Surgery
Outcome results
None listed