Clinical usefulness of 18F-FDG PET/CT in the restaging of esophageal cancer after surgical resection and radiotherapy

Table 1 Patient characteristics

Clinical characteristics	Data
Mean age (yr)	55.1 (39-68)
Gender
Males	15
Females	5
Mean time after treatment to PET/CT exam	1 mo-5 yr; mean 20 mo
Mean follow-up time after PET/CT exam	1 mo-18 mo; mean 11 mo

Table 2 PET/CT findings in 11 patients with true positive PET/CT scans

No.	PET/CT findings	SUV max	Further treatment plan	Interval time
1	Retroperitoneal lymph nodes	4.5	Surgical resection of metastases	5 yr
2	Retroperitoneal lymph nodes	6.5	Local radiotherapy	1yr
	Lung metastasis	1.6	Chemotherapy
3	Mediastinal lymph nodes	5.2	Chemotherapy	13 mo
4	Supraclavicular lymph nodes	3.3	Local radiotherapy	11 mo
5	Retroperitoneal lymph nodes	6.0	Local radiotherapy	2 mo
6	Supraclavicular lymph nodes	8.4	Chemotherapy	11 mo
	Retroperitoneal lymph nodes	3.6
	Liver metastasis	10.6	RF-ablation
7	Retroperitoneal lymph nodes	12.1	Chemotherapy	14 mo
	Liver metastasis	14.0	RF-ablation
8	Liver metastasis	8.4	RF-ablation	16 mo
	Supraclavicular lymph nodes	3.6	Chemotherapy
	Retroperitoneal lymph nodes	10.6
9	Supraclavicular lymph nodes	3.2	Local radiotherapy	1 mo
10	Supraclavicular lymph nodes	6.7		1 mo
	Osseous metastasis	5.3
	Peritoneal carcinomatosis	7.9
11	Anastomosis recurrence	7.1	Stent implant	5 mo
	Retroperitoneal lymph nodes	8.5	Chemotherapy

RF-ablation: Radiofrequency-ablation.