Clinicopathological features and treatment of gastrointestinal schwannomas

Table 3 Clinical diagnosis and treatment methods, n (%)

Variable	Overall
Imaging diagnosis (n = 168)
Space-occupying lesion/mass	25 (14.9)
Gastrointestinal stromal tumor	117 (69.6)
Leiomyoma	8 (4.8)
Schwannoma	8 (4.8)
Tumor	9 (5.4)
No obvious abnormality	1 (0.6)
Endoscopic diagnosis (n = 179)
Gastrointestinal stromal tumor	81 (45.2)
Submucosal tumor	95 (53.1)
Space-occupying lesion/mass	3 (1.7)
Endoscopic ultrasound diagnosis (n = 84)
Gastrointestinal stromal tumor	64 (76.2)
Leiomyoma	8 (9.5)
Schwannoma	5 (6.0)
Granular cell tumor	2 (2.4)
Submucosal tumor	5 (5.9)
Clinical diagnosis (n = 229)
Space-occupying lesion/mass	105 (45.9)
Gastrointestinal stromal tumor	80 (34.9)
Leiomyoma	3 (1.3)
Tumor	37 (16.2)
Other diagnosis	4 (1.7)
Treatment method (n = 214)
Endoscopic surgery	65 (30.4)
Endoscopic full-thickness resection	33 (15.4)
Endoscopic submucosal dissection	23 (10.7)
Submucosal tunnel endoscopic resection	8 (3.7)
Snare polypectomy	1 (0.5)
Surgery	149 (69.6)