Endobronchial Ultrasound-guided Transbronchial Needle Biopsy for Diagnosis of Mediastinal Lymphadenopathy in Patients with Extrathoracic Malignancy
Journal of Korean Medical Science
;
: 274-278, 2011.
Article
in English
| WPRIM
| ID: wpr-123279
ABSTRACT
Mediastinal lymphadenopathy associated with extrathoracic malignancy or a metastasis of unknown origin (MUO) requires pathological verification. Surgical exploration or endoscopic ultrasound-guided fine needle aspiration is limited to application. We investigated the effectiveness of endobronchial ultrasound-guided transbronchial needle biopsy (EBUS-TBNA) for evaluating mediastinal lymphadenopathy in patients with an extrathoracic malignancy. We retrospectively analyzed data from 59 patients who underwent EBUS-TBNA with a core biopsy because of a suspected mediastinal metastasis between September 2008 and August 2010. All patients had previously been diagnosed with an extrathoracic malignancy (n = 39, 66.1%) or a suspected MUO without a thoracic lesion (n = 20, 33.9%). A total of 88 lymph nodes was analyzed. EBUS-TBNA findings indicated malignancies in 34 patients (57.6%). The EBUS-TBNA sensitivity and specificity for the detection of mediastinal malignancy in patients with a previous extrathoracic malignancy were 96.3% and 100%, respectively. For MUO patients without a thoracic lesion, the sensitivity and specificity were 61.5% and 100%, respectively. The overall sensitivity and specificity were 81.0% and 100%, respectively (P = 0.053). EBUS-TBNA is a safe and effective modality for evaluating mediastinal lymphadenopathy in patients with a previous extrathoracic malignancy or a MUO without a thoracic lesion. The application of this diagnostic tool is likely to have significant clinical implications.
Full text:
Available
Index:
WPRIM (Western Pacific)
Main subject:
Biopsy, Needle
/
Retrospective Studies
/
Endosonography
/
Lymph Nodes
/
Lymphatic Diseases
/
Lymphatic Metastasis
/
Mediastinal Neoplasms
/
Neoplasms
Type of study:
Diagnostic study
/
Observational study
Limits:
Adult
/
Aged
/
Aged80
/
Humans
/
Male
Language:
English
Journal:
Journal of Korean Medical Science
Year:
2011
Type:
Article
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