Diagnosis and surgical treatment of esophageal gastrointestinal stromal tumors

Table 1 Patient characteristics and treatment history

Feature	Patient No. 1	Patient No. 2	Patient No. 3	Patient No. 4	Patient No. 5
Gender	Male	Male	Male	Male	Male
Age	12	49	48	57	62
Presentation	Dysphagia	Chest discomfort	Dysphagia	Dysphagia	Asymptomatic
Location of lesions	Middle	Middle	Distal	Upper	Distal
Surgical procedure	Thoracotomy	Thoracotomy	Thoracotomy	VATS	VATS
Operating time (min)	148	110	122	105	95
Blood loss (mL)	300	30	300	150	100
Size of lesion (cm)	6 × 4	2 × 1.5	6 × 5	3 × 2	1 × 2
Postoperative hospital stay (d)	12	6	10	7	7
Time of intrathoracic drain (d)	6	4	4	3	3
Cellular pattern	Spindle	Spindle	Spindle	Spindle	Spindle
Mitosis per 50 high power fields	10	0	6	1	0
CD34	+	+	+	+	-
CD117	+	+	+	+	+
Desmin	-	-	-	-	-
S-100	-	-	-	-	-
SMA	-	-	-	-	-
Diagnosis	Malignant	Benign	Malignant	Benign	Benign
Follow-up (mo)	-	29	40	51	72
Recurrence	-	No	Yes	No	No
Current status	-	NED	Dead	NED	NED

NED: No evidence of disease; VATS: Video-assisted thoracoscopic surgery.