Table 1 Characteristics of the study patients.

From: 18F-fluorodeoxyglucose positron emission tomography/computed tomography parameters are associated with histological outcomes in superficial esophageal squamous cell carcinoma

  

Total (n = 53)

Sex, n

Male

36 (67.9%)

 

Female

17 (32.1%)

Age, median (range), years

 

68 (40–77)

Location, n

Upper

4 (7.5%)

 

Middle

35 (66.0%)

 

Lower

14 (26.4%)

Size, median (range), mm

 

30 (4–122)

Macroscopic type, n

0–I

2 (3.8%)

 

0–IIa

6 (11.3%)

 

0–IIb

10 (18.8%)

 

0–IIc

32 (60.3%)

 

0–III

3 (5.6%)

Magnifying endoscopic findings*

Type of IPCL, n

B1

36 (67.9%)

 

B2

5 (9.4%)

 

B3

11 (20.8%)

AVA, n

None

12 (46.2%)

 

Small

13 (24.5%)

 

Middle

20 (37.7%)

 

Large

7 (13.2%)

FDG PET/CT and Parameters

SUV max, average (SD)

 

2.3 (3.2)

MTV, average (SD)

 

1.0 (2.1)

TLG, average (SD)

 

4.0 (9.7)

Treatment

ESD

 

27 (50.9%)

Surgical resection

 

26 (49.1%)

Pathological diagnosis

  

Invasion depth, n

EP

3 (5.6%)

 

LPM

15 (28.3%)

 

MM

11 (20.7%)

 

SM1

7 (13.2%)

 

SM2

7 (13.2%)

 

SM3

10 (18.8%)

Lymphatic involvement

Positive cases, n

12 (22.6%)

Venous involvement

Positive cases, n

7 (13.2%)

Lymph nodes metastasis

Positive cases, n

4 (7.6%)

Distant metastasis

Positive cases, n

0 (0.0%)

  1. AVA Avascular area, EP, Epithelium, ESD Endoscopic submucosal dissection, FDG Fluorodeoxyglucose, IPCL Intrapapillary capillary loop, LPM Lamina propria mucosa, MM Muscularis mucosa, MTV Metabolic tumor volume, SD Standard deviation, SM Submucosa, SUV Standardized uptake value, TLG Total legion glycolysis.
  2. *One patient did not undergo magnifying endoscopic observation.