Endobronchial ultrasound-guided transbronchial needle aspiration in intrathoracic lymphadenopathy with extrathoracic malignancy

Table 1 Patient characteristics, n = 80

Characteristics	n (%) or mean ± SD
Age (yr)	58.5 ± 8.8
Male sex	36 (45.0)
Site of the primary extrathoracic malignancy
Breast	18 (22.5)
Colon	12 (15.0)
Rectal	11 (13.8)
Gastric	11 (13.8)
Renal cell	7 (8.8)
Thyroid	6 (7.5)
Head and neck1	5 (6.3)
Endometrial	3 (3.8)
Hepatic cell	2 (2.5)
Other2	5 (6.3)
Site of intrathoracic lymphadenopathy
Mediastinal only	43 (53.8)
Mediastinal and hilar	21 (26.2)
Hilar only	16 (20.0)
Status of the extrathoracic malignancy
Metachronous	66 (82.5)
Synchronous	14 (17.5)
CT findings
Intrathoracic nodal enlargement with pulmonary lesion	39 (48.8)
Short axis of the target lymph node in mm	18.1 ± 6.7
PET-CT findings
Patients with PET-CT examination	49 (61.3)
SUVmax of the target lymph nodes	9.2 ± 5.0

¹Oropharyngeal (n = 2), nasopharyngeal (n = 1), laryngeal (n = 1), and parotid (n = 1).

²Cervical (n = 1), ovarian (n = 1), melanoma (n = 1), pancreatic (n = 1), and prostate (n = 1).

CT: Computed tomography; PET: Positron emission tomography; SUV_max: Maximum standardized uptake.