Table 2 Summary of treatment results
From: Treatment of esophageal tumors using high intensity intraluminal ultrasound: first clinical results
1 week | 1 month | 3 months | ||
|---|---|---|---|---|
Patient 1 | Biopsies | Positive in obstructive nodule | Positive in obstructive nodule | Positive in obstructive nodule |
Stricture reduction | Obstruction: 10% | Obstructive nodule at the upper part of the tumor | Obstructive nodule at the upper part of the tumor | |
Endoscopic aspect | Necrosis on the whole length of the tumor | Necrosis on 75% of the tumor | No tumor progression | |
Patient 2 After the 3rd session of ultrasound | Biopsies | Positive in non necrotic areas | Positive in non necrotic areas | Not done |
Stricture reduction | No obstruction | No obstruction | ||
Endoscopic aspect | Proximal tumor: Complete necrosisDistal tumor: 90% necrosed | Proximal tumor: No stenosis, complete necrosisDistal tumor: Infiltrating non-stenotic aspect | ||
Patient 3 | Biopsies | Control endoscopy was contra-indicatedNo dysphagia | ||
Stricture reduction | ||||
Endoscopic aspect | ||||
Patient 4 | Biopsies | Not documented | Not documented | Negative |
Stricture reduction | Obstruction: 90% → 50% Length: 2 cm → 1 cm | Obstruction: 50% Length: 1 cm | Obstruction: 50% → 70% Length: 1 cm | |
Endoscopic aspect | Large necrotic area on the whole length of the tumor | Large necrotic area on the whole length of the tumor | Large necrotic area on the whole length of the tumor |