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Table 2 Final diagnoses of the patients with pelvic lesions who underwent EUS-FNA

From: Endoscopic ultrasound-guided fine-needle aspiration of pelvic lesions via the upper and lower gastrointestinal tract approaches

  Overall
n = 49
Upper GI n = 28 Lower GI n = 21
Malignant diseases, n (%) 42 (85.7) 24 (85.7) 18 (85.7)
 Malignant lymphoma 25 (51.0) 19 (67.9) 6 (28.6)
 LN metastasis of malignant tumor 9 (18.4) 4 (14.3) 5 (23.8)
 Carcinoma of unknown primary 2 (4.1) 1 (3.6) 1 (4.8)
 Gastrointestinal stromal tumor 4 (8.2) 4 (19.0)
 Peritoneal mesothelioma 1 (2.0) 1 (4.8)
 Rectal invasion of bladder cancer 1 (2.0) 1 (4.8)
Benign diseases, n (%) 7 (14.3) 4 (14.3) 3 (14.3)
 Retroperitoneal fibrosis 3 (61.2) 3 (10.7)
 Lipoma 1 (2.0) 1 (3.6)
 Schwannoma 1 (2.0) 1 (4.8)
 Castleman disease 1 (2.0) 1 (4.8)
 Non-specific lymphadenopathy 1 (2.0) 1 (4.8)
  1. EUS-FNA, endoscopic ultrasound-guided fine needle aspiration; LN, lymph node; GI, gastrointestinal tract