Table 2.

Endoscopic findings, EUS features, treatment and prognosis of undiagnosed ET

CaseNo.	Esophagoscopy findings	EUS features	Diagnostic anti- tuberculosis therapy	Prognosis
1	Middle part of esophagus, protruding lesion in the mucosa 0.8 X 3.0 cm with a central ulcer 0.3 X 0.5 cm	Thickening, poorly defined esophageal wall structure, enlarged para esophageal lymph nodes with scattered calcifications	Isoniazid + rifampicin + pyrazinamide + ethambutol, 3 months	Recovered according to endoscopy
2	Middle part of esophagus, protruding lesion in the mucosa 1.5 X 2.0 cm with a central ulcer 0.2 X 0.3 cm	Thickening, poorly defined esophageal wall structure, linked to an enlarged para esophageal lymph node	Isoniazid + rifampicin + pyrazinamide + ethambutol, 3 months	Recovered according to endoscopy
3	Middle part of esophagus, protruding lesion in the mucosa 2.0 X 3.0 cm with a central ulcer 0.5 X 0.8 cm	Thickening, poorly defined esophageal wall structure, with an enlarged para esophageal lymph node	Isoniazid + rifampicin + pyrazinamide + ethambutol, 10 months	Recovered according to endoscopy
4	Middle part of esophagus, protruding lesion in the mucosa 2.5 X 3.0 cm with central erosion 0.3 X 0.4 cm	Thickening, poorly defined esophageal wall structure, esophageal heterogeneously hypoechoic lesion with scattered calcifications, and the hypoechoic lesion was linked to an enlarged para-esophageal lymph node	Isoniazid + rifampicin + pyrazinamide + ethambutol, 5 months	Recovered according to endoscopy
5	Lower part of esophagus, protruding lesion in the mucosa 1.0 X 1.5 cm with central erosion, 0.2 X 0.2 cm	Thickening, poorly defined esophageal wall structure, with heterogeneously hypoechoic esophageal lesion, and interrupted partial esophageal adventitia	Isoniazid + rifampicin + pyrazinamide + ethambutol, 4 months	Improved according to endoscopy
6	Middle part of esophagus, submucosal bulge 0.8 X 1.0 cm with smooth surface	Thickening, poorly defined esophageal wall structure linked to an enlarged para-esophageal lymph node, with scattered calcifications	Isoniazid + rifampicin + pyrazinamide + ethambutol, 5 months	Recovered according to endoscopy
7	Upper part of esophagus, submucosal bulge 0.5 X 0.7 cm, and diverticulum	Thickening, poorly defined esophageal wall structure, with enlarged para-esophageal lymph nodes	Isoniazid + rifampicin + pyrazinamide + ethambutol, 9 months	Improved according to endoscopy
8	Middle part of esophagus, irregular ulcer 0.3 X 0.5 cm, with fistula	Thickening, poorly defined esophageal wall structure linked to an enlarged para-esophageal lymph node with scattered calcifications	Isoniazid + rifampicin + pyrazinamide + ethambutol, 6 months	Recovered according to endoscopy
9	Middle part of esophagus, multiple ulcers 0.3 X 0.5 cm – 0.5 X 0.6 cm	Thickening, poorly defined esophageal wall structure, with an enlarged para-esophageal lymph node	Isoniazid + rifampicin + pyrazinamide + ethambutol, 4 months	Recovered according to endoscopy