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Table 1 Clinical characteristics of the 936 patients with 972 gastric SETs ≤ 2 cm

From: The necessarity of treatment for small gastric subepithelial tumors (1–2 cm) originating from muscularis propria: an analysis of 972 tumors

Age [year; mean ± SD; (range)]

53.6 ± 10.2 (16–78)

Gender [n (%)]

 Male

213 (22.8%)

 Female

723 (77.2%)

Tumor diameter [mm; mean ± SD]

9.6 ± 3.9

Location [n (%)]

 Fundus

558 (57.4)

 Corpus

390 (40.1)

 Angle

3 (0.3)

 Antrum

21 (2.2)

Pathological diagnosis [n (%)]

 Leiomyoma

485 (49.9)

 GIST

411 (42.3)

 Schwannoma

20 (2.1)

 Ectopic pancreas

12 (1.2)

 Vascular malformation/proliferation

8 (0.8)

 Inflammatory tissue

17 (1.7)

 Hamartoma

5 (0.5)

 Glomus tumor

4 (0.4)

 Neuroendocrine neoplasm

3 (0.3)

 Calcified tissue

3 (0.3)

 Collagenoma

2 (0.2)

 Hemangioma

1 (0.1)

 Fibroma

1 (0.1)

Endoscopic procedures [n (%)]

 BLR

418 (43)

 ESD

344 (35.4)

 EFTR

201 (20.7)

 STER

9 (0.9)

Complete resection

972

Postoperative complications

 Perforation

2

 Bleeding

3

  1. BLR band ligation and resection, ESD endoscopic submucosal dissection, EFTR endoscopic full-thickness resection, STER submucosal tunneling endoscopic resection