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. 2022 Jul 18;13(10):2982-2987.
doi: 10.7150/jca.74022. eCollection 2022.

"One Shot" Sample Evaluation of 22G, 22G upgraded, 21G and 19G needle for Endobronchial Ultrasound-EBUS-TBNA

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"One Shot" Sample Evaluation of 22G, 22G upgraded, 21G and 19G needle for Endobronchial Ultrasound-EBUS-TBNA

Rena Oikonomidou et al. J Cancer. .

Abstract

Background: There are still diagnostic issues with lung cancer and mediastinum lymphadenopathy. Endobronchial ultrasound (EBUS) is a state of the art equipment for the diagnosis of lymphadenopathy and central lesions. Objective: To investigate the sample size with one pass. Patients and Methods: 248 Stage IV patients were included in our study. All patients had a CT of the thorax with either lymphadenopathy or lyphadenopathy plus pulmonary lesions. Patients had a biopsy with endobronchial ultrasound with 22G Mediglope, 22G Mediglope Sonotip, 21G Olympus and 19G Olympus needle. We collected information regarding the cancer type, cell block, tissue, age, sex, lesion size and needle type. Results: The cancer type diagnosis was associated with the needle diameter. The number of cell-blocks were associated with the lesion size and needle diameter. Slices from the tissue and cell-blocks were again associated with the lesion size and needle diameter. Conclusion: One pass is enough for cancer diagnosis, however; careful selection has to be made among patients regarding the needle diameter. In the case of lymphoma suspicion we should use 19G needle.

Keywords: 19G needle; 21G needle; 22G needle; EBUS-TBNA; biopsy; bronchoscopy; lung cancer; lymphnodes.

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Conflict of interest statement

Competing Interests: The authors have declared that no competing interest exists.

Figures

Figure 1
Figure 1
PENTAX EBUS EB-1970UK.
Figure 2
Figure 2
Left: 19G Olympus® and Right: the sample which is tissue.
Figure 3
Figure 3
Left: 22G Mediglobe®, Middle: 22G Mediglobe® upgraded needle and Right: the sample which is like a ``pus`` material.
Figure 4
Figure 4
Summary statistics, box plot and size frequency distribution of age and number of slices of patients.

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