Southern medical journal · 2017
Role of Transbronchial Needle Aspiration (Conventional and EBUS Guided) in the Diagnosis of Histoplasmosis in Patients Presenting with Mediastinal Lymphadenopathy.
СтатьяНазвание и аннотация: Перевод в очереди
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Sodhi Amik, Supakul Rodjawan, Williams George W, Tolley Elizabeth A, Headley Arthur S, Murillo Luis C, Kadaria Dipen
Аннотация
OBJECTIVES: The superior performance of endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) in the diagnosis and staging of malignancy has been demonstrated, with some investigators suggesting the same for sarcoidosis. The role of EBUS-TBNA in the diagnosis of histoplasmosis is not clear, however. In this study we estimate the diagnostic yield of conventional TBNA (cTBNA) and EBUS-TBNA for the diagnosis of histoplasmosis in patients with mediastinal lymphadenopathy.
METHODS: Retrospective chart review was conducted on 452 consecutive patients who underwent cTBNA or EBUS-TBNA for mediastinal lymphadenopathy from January 1, 2005 to December 31, 2014 at Methodist Le Bonheur Healthcare-affiliated hospitals in Memphis, Tennessee. Data collection included demographic information, reason for the procedure, size of the lymph nodes, procedures performed, and the final diagnosis.
RESULTS: Among 452 cases reviewed, 146 underwent cTBNA and 306 underwent EBUS-TBNA. Final diagnoses include malignancy (41.5%), sarcoidosis (11.2%), and histoplasmosis (8.1%). Among 146 patients who underwent cTBNA, a final diagnosis was obtained by this modality in 58 patients (39.7%). The diagnostic rate for cTBNA for malignancy was 68% (40/59), 30% (4/13) for sarcoidosis, and 43% (6/14) for histoplasmosis. In 306 patients who underwent EBUS-TBNA, 188 had a final diagnosis (61.4%) obtained by this modality. For EBUS-TBNA, the diagnostic rates were 79.5% (101/127) for malignancy, 74% (28/38) for sarcoidosis, and 78% (18/23) for histoplasmosis.
CONCLUSIONS: EBUS-TBNA had a higher yield than cTBNA for the diagnosis of histoplasmosis. Clinicians practicing in areas with a high prevalence of histoplasmosis and sarcoidosis should use EBUS-TBNA, whenever available, for this reason.
METHODS: Retrospective chart review was conducted on 452 consecutive patients who underwent cTBNA or EBUS-TBNA for mediastinal lymphadenopathy from January 1, 2005 to December 31, 2014 at Methodist Le Bonheur Healthcare-affiliated hospitals in Memphis, Tennessee. Data collection included demographic information, reason for the procedure, size of the lymph nodes, procedures performed, and the final diagnosis.
RESULTS: Among 452 cases reviewed, 146 underwent cTBNA and 306 underwent EBUS-TBNA. Final diagnoses include malignancy (41.5%), sarcoidosis (11.2%), and histoplasmosis (8.1%). Among 146 patients who underwent cTBNA, a final diagnosis was obtained by this modality in 58 patients (39.7%). The diagnostic rate for cTBNA for malignancy was 68% (40/59), 30% (4/13) for sarcoidosis, and 43% (6/14) for histoplasmosis. In 306 patients who underwent EBUS-TBNA, 188 had a final diagnosis (61.4%) obtained by this modality. For EBUS-TBNA, the diagnostic rates were 79.5% (101/127) for malignancy, 74% (28/38) for sarcoidosis, and 78% (18/23) for histoplasmosis.
CONCLUSIONS: EBUS-TBNA had a higher yield than cTBNA for the diagnosis of histoplasmosis. Clinicians practicing in areas with a high prevalence of histoplasmosis and sarcoidosis should use EBUS-TBNA, whenever available, for this reason.