EBUS-TBNA in Extrathoracic Malignancies: Diagnostic and Prognostic Implications
Purpose In patients with extrathoracic malignancies (EM) the role of endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) for the assessment of abnormal mediastinal lymph nodes (MLN) is controversial. The aim of this study was to assess the diagnostic yield and prognostic significance of EBUS-TBNA in these patients. Methods Retrospective analysis of patients with EM and abnormal MLN detected by Computed Tomography (CT) and/or Positron Emission Tomography (PET). Results A total of 161 patients with EM and abnormal MLN were included (93 males, 58%). The most common EM was melanoma (19%) and gastrointestinal cancer (17%). Assessed lymph nodes were mediastinal in 70% of cases and hilar in 30%. The most frequently sampled lymph nodes were subcarinal (45%) and lower right paratracheal (21%). Sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) of EBUS-TBNA for the diagnosis of malignancy were 88%, 100%, 100% and 87%, respectively. These values were similar regardless the type of EM except for head and neck tumors where the NPV was particularly low (67%). The diagnosis of neoplastic involvement by EBUS-TBNA implied a worse prognosis in terms of overall survival (p < 0.02) and cancer-specific survival (p < 0.001). Conclusions In patients with EM and abnormal MLN, EBUS-TBNA has a high diagnostic yield. However, the NPV decrease in patients with head and neck tumors. Neoplastic MLN detected by EBUS-TBNA has prognostic implications in these patients..
| Medienart: |
Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:200 |
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| Enthalten in: |
Lung - 200(2022), 6 vom: 30. Okt., Seite 747-753 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Martin-Deleon, Roberto [VerfasserIn] |
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| Links: |
Volltext [lizenzpflichtig] |
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| Themen: |
EBUS |
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| Anmerkungen: |
© The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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| doi: |
10.1007/s00408-022-00584-5 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Purpose In patients with extrathoracic malignancies (EM) the role of endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) for the assessment of abnormal mediastinal lymph nodes (MLN) is controversial. The aim of this study was to assess the diagnostic yield and prognostic significance of EBUS-TBNA in these patients. Methods Retrospective analysis of patients with EM and abnormal MLN detected by Computed Tomography (CT) and/or Positron Emission Tomography (PET). Results A total of 161 patients with EM and abnormal MLN were included (93 males, 58%). The most common EM was melanoma (19%) and gastrointestinal cancer (17%). Assessed lymph nodes were mediastinal in 70% of cases and hilar in 30%. The most frequently sampled lymph nodes were subcarinal (45%) and lower right paratracheal (21%). Sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) of EBUS-TBNA for the diagnosis of malignancy were 88%, 100%, 100% and 87%, respectively. These values were similar regardless the type of EM except for head and neck tumors where the NPV was particularly low (67%). The diagnosis of neoplastic involvement by EBUS-TBNA implied a worse prognosis in terms of overall survival (p < 0.02) and cancer-specific survival (p < 0.001). Conclusions In patients with EM and abnormal MLN, EBUS-TBNA has a high diagnostic yield. However, the NPV decrease in patients with head and neck tumors. Neoplastic MLN detected by EBUS-TBNA has prognostic implications in these patients. | ||
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