Mediastinal lymphadenopathy: Causes, symptoms and factors predicting good yield of endoscopic ultrasound-guided biopsy

Table 4 Causes of mediastinal lymphadenopathy found on endoscopic ultrasound guided biopsy (n = 243)

Causes of mediastinal lymphadenopathy	n (%)
Tuberculosis	82 (33.7%)
Anthracosis	53 (21.8)
Minimal to mild	32
Moderate	14
Severe	7
Neoplastic disease	43 (17.7)
Metastatic
Breast cancer	9
Lung cancer	7
Pancreatobiliary cancer	6
Esophageal cancer	5
Renal cancer	5
Hepatocellular cancer	2
Neuroendocrine cancer	2
Gastrointestinal stromal tumor	1
Undetermined origin	3
Primary
Lymphoproliferative disorder	2
Kaposi’s sarcoma	1
Sarcoidosis	14 (5.8)
Miscellaneous	12 (4.9)
Epithelioid cell collection	5
Post chemotherapy changes	2
Necrotic tissue	2
Keratin slough	2
Granulomatous inflammation	1
Normal histology	23 (9.5)
Suboptimal tissue	16 (6.6)