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Kim SH, Mok J, Kim S, Yoo WH, Jo EJ, Kim MH, Lee K, Kim KU, Park HK, Lee MK, Eom JS. Clinical outcomes of transbronchial cryobiopsy using a 1.1-mm diameter cryoprobe for peripheral lung lesions - A prospective pilot study. Respir Med 2023; 217:107338. [PMID: 37380091 DOI: 10.1016/j.rmed.2023.107338] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 06/09/2023] [Accepted: 06/24/2023] [Indexed: 06/30/2023]
Abstract
OBJECTIVES Transbronchial cryobiopsy (TBCB) is a novel technique for the diagnosis of peripheral lung lesions (PLLs). We aim to evaluate the clinical outcomes of TBCB using a new 1.1-mm diameter cryoprobe for the diagnosis of PLLs. MATERIALS AND METHODS We performed a prospective observational pilot study on the diagnosis of PLLs (diameter ≤30 mm) by TBCB, using a 1.1-mm diameter cryoprobe with radial endobronchial ultrasound (RP-EBUS), virtual bronchoscopic navigation and fluoroscopy from December 2021 to July 2022. Primary outcome was the pathological diagnostic yield of TBCB, and secondary outcome was adverse event. RESULTS A total of 50 patients were enrolled (mean lesion size, 21 mm). TBCB was performed in 49 patients up to three times except for the one with "invisible" finding on RP-EBUS. The overall diagnostic yield of TBCB was 90% (45/50). There was no difference in the diagnostic yield between size (20 mm vs. 20-30 mm; 88% [22/25] vs. 92% [23/25]; P = 1.000), RP-EBUS findings (concentric vs. others; 97% [28/29] vs. 81% [17/21]; P = 0.148), and acute angle location (apical segment of both upper lobes vs. others; 92% [12/13] vs. 89% [33/37]; P = 1.000). The cumulative diagnostic yields of the first, second, and third TBCB were 82% (41/50), 88% (44/50), and 90% (45/50), respectively. Mild bleeding was developed in 56% (28/50), and moderate bleeding was found in 26% (13/50). CONCLUSION TBCB using a 1.1-mm diameter cryoprobe is an effective, reasonable method for the diagnosis of PLLs regardless of its size, RP-EBUS finding, and anatomical location without serious complication. TRIAL REGISTRATION Clinical Trials.Gov (NCT05046093).
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Affiliation(s)
- Soo Han Kim
- Department of Internal Medicine, Pusan National University School of Medicine, Busan, Republic of Korea; Department of Internal Medicine, Pusan National University Hospital, Busan, Republic of Korea; Biomedical Research Institute, Pusan National University Hospital, Busan, Republic of Korea
| | - Jeongha Mok
- Department of Internal Medicine, Pusan National University School of Medicine, Busan, Republic of Korea; Department of Internal Medicine, Pusan National University Hospital, Busan, Republic of Korea; Biomedical Research Institute, Pusan National University Hospital, Busan, Republic of Korea
| | - Saerom Kim
- Department of Internal Medicine, Pusan National University School of Medicine, Busan, Republic of Korea; Department of Internal Medicine, Pusan National University Hospital, Busan, Republic of Korea
| | - Wan Ho Yoo
- Department of Internal Medicine, Pusan National University School of Medicine, Busan, Republic of Korea; Department of Internal Medicine, Pusan National University Hospital, Busan, Republic of Korea
| | - Eun-Jung Jo
- Department of Internal Medicine, Pusan National University School of Medicine, Busan, Republic of Korea; Department of Internal Medicine, Pusan National University Hospital, Busan, Republic of Korea
| | - Mi-Hyun Kim
- Department of Internal Medicine, Pusan National University School of Medicine, Busan, Republic of Korea; Department of Internal Medicine, Pusan National University Hospital, Busan, Republic of Korea
| | - Kwangha Lee
- Department of Internal Medicine, Pusan National University School of Medicine, Busan, Republic of Korea; Department of Internal Medicine, Pusan National University Hospital, Busan, Republic of Korea
| | - Ki Uk Kim
- Department of Internal Medicine, Pusan National University School of Medicine, Busan, Republic of Korea; Department of Internal Medicine, Pusan National University Hospital, Busan, Republic of Korea
| | - Hye-Kyung Park
- Department of Internal Medicine, Pusan National University School of Medicine, Busan, Republic of Korea; Department of Internal Medicine, Pusan National University Hospital, Busan, Republic of Korea
| | - Min Ki Lee
- Department of Internal Medicine, Pusan National University School of Medicine, Busan, Republic of Korea; Department of Internal Medicine, Pusan National University Hospital, Busan, Republic of Korea
| | - Jung Seop Eom
- Department of Internal Medicine, Pusan National University School of Medicine, Busan, Republic of Korea; Department of Internal Medicine, Pusan National University Hospital, Busan, Republic of Korea; Biomedical Research Institute, Pusan National University Hospital, Busan, Republic of Korea.
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Brown M, Nguyen P, Jersmann H, Holmes M, Wong M. Radial Endobronchial Ultrasound-guided Transbronchial Cryobiopsy versus Forceps Biopsy for the Diagnosis of Solitary Pulmonary Nodules: A Prospective Randomised Trial. Open Respir Med J 2023; 17:e187430642309190. [PMID: 38655074 PMCID: PMC11037509 DOI: 10.2174/0118743064262132230922110818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 08/11/2023] [Accepted: 08/29/2023] [Indexed: 04/26/2024] Open
Abstract
Background Improvements in pulmonary diagnostic imaging and the development of lung cancer screening are increasing the prevalence of Solitary pulmonary nodules (SPNs). Fluoroscopically guided radial endobronchial ultrasound (EBUS) with transbronchial forceps biopsy (TB-FB) has been the conventional diagnostic method. Transbronchial cryobiopsy (TB-CB) is an alternative biopsy method. We sought to compare transbronchial cryobiopsy to transbronchial forceps biopsy for the diagnosis of SPNs. Methods A prospective, single-centre, randomised controlled trial was conducted at the Royal Adelaide Hospital (RAH). Patients with SPNs were randomised to either 5 transbronchial forceps biopsies or one transbronchial cryobiopsy. Complete blinding of investigators and participants was not possible, as transbronchial cryobiopsy required general anaesthesia. The primary outcome was diagnostic yield with secondary outcomes of specimen size, diagnostic yield for subsets challenging to access with forceps and safety. Results The overall diagnostic yield for the 28 enrolled subjects was 76.8%(22/28). The diagnostic yield was 91.7% (11/12 patients) for transbronchial cryobiopsy and 68.8% (11/16 patients) for forceps biopsy (p=0.14). Median biopsy sizes were consistently larger for the cryobiopsy arm at 7.0mm compared to 2.5mm(p<0.0001). An eccentric EBUS image signalling the probe was adjacent to the nodule occurred in 4/28 cases, and TB-CB confirmed a diagnosis in 3/3 randomised to this arm. There were no major complications with either technique. Conclusion Transbronchial cryobiopsy under the guidance of fluoroscopy and radial EBUS facilitates larger biopsy specimens without a significant increase in major complications. Further research is required to confirm the effect on diagnostic yield; however, our study supports a role for TB-CB in the diagnosis of SPNs and small, nodule-adjacent biopsies. Clinical Trial Registration Number Reference number of R20160213(HREC/16/RAH/37).
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Affiliation(s)
- Michael Brown
- Department of Thoracic Medicine, Royal Adelaide Hospital, Adelaide, Australia
- Faculty of Health and Medical Sciences, Adelaide Medical School, University of Adelaide, Adelaide, Australia
| | - Phan Nguyen
- Department of Thoracic Medicine, Royal Adelaide Hospital, Adelaide, Australia
- Faculty of Health and Medical Sciences, Adelaide Medical School, University of Adelaide, Adelaide, Australia
| | - Hubertus Jersmann
- Department of Thoracic Medicine, Royal Adelaide Hospital, Adelaide, Australia
- Faculty of Health and Medical Sciences, Adelaide Medical School, University of Adelaide, Adelaide, Australia
| | - Mark Holmes
- Department of Thoracic Medicine, Royal Adelaide Hospital, Adelaide, Australia
- Faculty of Health and Medical Sciences, Adelaide Medical School, University of Adelaide, Adelaide, Australia
| | - Michelle Wong
- Department of Thoracic Medicine, Royal Adelaide Hospital, Adelaide, Australia
- Department of Respiratory and Sleep Medicine, Lyell McEwin Hospital, Adelaide, Australia
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3
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Lou L, Huang X, Tu J, Xu Z. Endobronchial ultrasound-guided transbronchial needle aspiration in peripheral pulmonary lesions: a systematic review and meta-analysis. Clin Exp Metastasis 2023; 40:45-52. [PMID: 36401666 DOI: 10.1007/s10585-022-10190-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 10/17/2022] [Indexed: 11/21/2022]
Abstract
The diagnosis of peripheral pulmonary lesions (PPLs) remains a challenge for physicians. Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) has been applied in the diagnosis of PPLs, but its diagnostic rate varies widely. The systematic review and meta-analysis was conducted to figure out the accuracy and safety of EBUS-TBNA in the diagnosis of PPLs. We searched the PubMed and Embase databases for relevant studies published from January 1, 2000 to December 30, 2021 and used PICO (Participants, Intervention, Comparison, and Outcome) to worked out the diagnostic rate of EBUS-TBNA in PPLs. Two reviewers independently performed the data extraction and assessed study quality. Statistical analysis was carried out via R software. In 7 studies of totally 510 patients of PPLs, the overall EBUS-TBNA diagnosis yield is 0.75 (95% CI 0.67-0.84) by the random effect model. EBUS-TBNA showed a higher accuracy of 0.64 (95% CI 0.53-0.74) compared to 0.46 (95% CI 0.19-0.72) of endobronchial ultrasound-guided transbronchial biopsy (EBUS-TBB) when EBUS probe is adjacent to lesions. In the case of malignant lesions, the diagnostic rate of EBUS-TBNA is 0.79 (95% CI 0.72-0.88). Combined EBUS-TBNA with conventional bronchoscopy procedures showed the highest diagnostic yield (0.83 (95% CI 0.79-0.87)). Collectively, EBUS-TBNA should be performed firstly in patients with PPLs suspected to lung cancer especially when the EBUS probe was adjacent to the lesions. No serious procedure-related complications were observed.
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Affiliation(s)
- Lingyun Lou
- Department of Respiratory and Critical Care Medicine, Jinhua Municipal Central Hospital, Jinhua Hospital of Zhejiang University, Jinhua, China.
| | - Xiu Huang
- Department of Respiratory and Critical Care Medicine, Fourth Affiliated Hospital of Zhejiang University School of Medicine, Yiwu, China
| | - Junwei Tu
- Department of Respiratory and Critical Care Medicine, Jinhua Municipal Central Hospital, Jinhua Hospital of Zhejiang University, Jinhua, China
| | - Zhihao Xu
- Department of Respiratory and Critical Care Medicine, Fourth Affiliated Hospital of Zhejiang University School of Medicine, Yiwu, China
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4
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Xia Y, Li Q, Zhong C, Wang K, Li S. Inheritance and innovation of the diagnosis of peripheral pulmonary lesions. Ther Adv Chronic Dis 2023; 14:20406223221146723. [PMID: 36743297 PMCID: PMC9896091 DOI: 10.1177/20406223221146723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 12/05/2022] [Indexed: 01/29/2023] Open
Abstract
As the leading cause of cancer-related deaths worldwide, early detection and diagnosis are crucial to reduce the mortality of lung cancer. To date, the diagnosis of the peripheral pulmonary lesions (PPLs) remains a major unmet clinical need. The urgency of diagnosing PPLs has driven a series of development of the advanced bronchoscopy-guided techniques in the past decades, such as radial probe-endobronchial ultrasonography (RP-EBUS), virtual bronchoscopy navigation (VBN), electromagnetic navigation bronchoscopy (ENB), bronchoscopic transparenchymal nodule access (BTPNA), and robotic-assisted bronchoscopy. However, these techniques also have their own limitations. In this review, we would like to introduce the development of diagnostic techniques for PPLs, with a special focus on biopsy approaches and advanced guided bronchoscopy techniques by discussing their advantages, limitations, and future prospects.
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Lachkar S, Perrot L, Gervereau D, De Marchi M, Morisse Pradier H, Dantoing E, Piton N, Thiberville L, Guisier F, Salaün M. Radial-EBUS and virtual bronchoscopy planner for peripheral lung cancer diagnosis: How it became the first-line endoscopic procedure. Thorac Cancer 2022; 13:2854-2860. [PMID: 36054681 PMCID: PMC9575082 DOI: 10.1111/1759-7714.14629] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 08/12/2022] [Accepted: 08/13/2022] [Indexed: 01/05/2023] Open
Abstract
Background Various advanced bronchoscopy methods have been developed to reach peripheral lung lesions (PLL). In a large cohort, we aimed to assess a standardized procedure of first‐line radial‐endobronchial ultrasound (r‐EBUS) and virtual bronchoscopy planner for the diagnosis of peripheral lung cancer. Methods This retrospective, single center study included patients who had r‐EBUS‐guided bronchoscopy for the diagnosis of a PLL between 2008 and 2019. Cases without a final diagnosis of cancer or follow‐up were excluded. Results Between 2008 and 2019, 2735 patients had a r‐EBUS procedure, among whom 1627 had a final diagnosis of cancer and were included in the present study. Over the 12‐year study period, r‐EBUS became the first‐line endoscopic procedure to assess PLL (25% as first‐line bronchoscopy in 2008 vs. 92% in 2019). The frequency of the bronchus sign decreased from 2009 to 2019 (100% to 80%; p = 0.001), whereas US visualization of the lesion remained stable (88%). The median number of biopsies increased from two (2008 to 2014) to four (2015 to 2019) (p < 0.0001), with the same diagnostic efficiency (74% total and 80% when a bronchus sign was present). Of the 651 adenocarcinomas, molecular analysis was possible in 86%. PD‐L1 expression analysis was possible in 81% of cases. During the study period, the lifetime of the radial probe increased from 57 procedures to 77 procedures/probe. Conclusion Because r‐EBUS and VB planner is easy to perform under local anesthesia, inexpensive and efficient it can be used as a first‐line procedure to assess peripheral lung cancer.
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Affiliation(s)
- Samy Lachkar
- Department of Pneumology, CHU Rouen, Rouen, France
| | - Loic Perrot
- Department of Pneumology, CHU Rouen, Rouen, France
| | | | | | | | | | - Nicolas Piton
- Department of Pathology, CHU Rouen, Rouen, France.,France and Normandie University, UNIROUEN, Inserm U1245, Rouen University Hospital, Rouen, France
| | - Luc Thiberville
- Department of Pneumology and Inserm CIC-CRB, Normandie Univ, UNIROUEN, LITIS Lab QuantIF team EA4108, CHU Rouen, Rouen, France
| | - Florian Guisier
- Department of Pneumology and Inserm CIC-CRB, Normandie Univ, UNIROUEN, LITIS Lab QuantIF team EA4108, CHU Rouen, Rouen, France
| | - Mathieu Salaün
- Department of Pneumology and Inserm CIC-CRB, Normandie Univ, UNIROUEN, LITIS Lab QuantIF team EA4108, CHU Rouen, Rouen, France
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6
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Oberg CL, Lau RP, Folch EE, He T, Ronaghi R, Susanto I, Channick C, Tome RG, Oh S. Novel Robotic-Assisted Cryobiopsy for Peripheral Pulmonary Lesions. Lung 2022; 200:737-745. [PMID: 36216921 PMCID: PMC9675683 DOI: 10.1007/s00408-022-00578-3] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 09/26/2022] [Indexed: 12/30/2022]
Abstract
PURPOSE Tissue acquisition in lung cancer is vital for multiple reasons. Primary reasons reported for molecular testing failure in lung cancer biopsy specimens include insufficient amount of tumor cells provided and inadequate tissue quality. Robotic bronchoscopy is a new tool enabling peripheral pulmonary lesion sampling; however, diagnostic yield remains imperfect possibly due to the location of nodules adjacent to or outside of the airway. The 1.1-mm cryoprobe is a novel diagnostic tool and accesses tissue in a 360-degree manner, thus potentially sampling eccentric/adjacent lesions. This study examines the diagnostic yield of the cryoprobe compared to standard needle aspiration and forceps biopsy. It additionally evaluates yield for molecular markers in cases of lung cancer. METHODS This is a retrospective analysis of 112 patients with 120 peripheral pulmonary lesions biopsied via robotic bronchoscopy using needle aspirate, forceps, and cryobiopsy. RESULTS The overall diagnostic yield was 90%. Nearly 18% of diagnoses were made exclusively from the cryobiopsy sample. Molecular analysis was adequate on all cryobiopsy samples sent. Digital imaging software confirmed an increase in quantity and quality of samples taken via cryobiopsy compared to needle aspirate and traditional forceps biopsy. CONCLUSION Using the 1.1-mm cryoprobe to biopsy PPN combined with the Ion robotic bronchoscopy system is safe, feasible, and provides more diagnostic tissue than needle aspirates or traditional forceps biopsies. The combination of cryobiopsy with robotic-assisted bronchoscopy increased diagnostic yield, likely due to its 360-degree tissue acquisition which is beneficial when targeting extraluminal lesions adjacent to the airway.
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Affiliation(s)
- Catherine L. Oberg
- grid.19006.3e0000 0000 9632 6718Section of Interventional Pulmonology, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095 USA ,grid.19006.3e0000 0000 9632 6718Department of Medicine, Division of Pulmonary and Critical Care Medicine, David Geffen School of Medicine at UCLA, 10833 Le Conte Avenue, Los Angeles, CA 90095 USA
| | - Ryan P. Lau
- grid.19006.3e0000 0000 9632 6718Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095 USA
| | - Erik E. Folch
- grid.38142.3c000000041936754XSection of Interventional Pulmonology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02210 USA
| | - Tao He
- grid.19006.3e0000 0000 9632 6718Section of Interventional Pulmonology, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095 USA
| | - Reza Ronaghi
- grid.19006.3e0000 0000 9632 6718Section of Interventional Pulmonology, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095 USA
| | - Irawan Susanto
- grid.19006.3e0000 0000 9632 6718Section of Interventional Pulmonology, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095 USA
| | - Colleen Channick
- grid.19006.3e0000 0000 9632 6718Section of Interventional Pulmonology, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095 USA
| | - Rodrigo Garcia Tome
- grid.19006.3e0000 0000 9632 6718Section of Interventional Pulmonology, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095 USA
| | - Scott Oh
- grid.19006.3e0000 0000 9632 6718Section of Interventional Pulmonology, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095 USA
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Endobronchial Ultrasonography with a Guide Sheath Transbronchial Biopsy for Diagnosing Peripheral Pulmonary Lesions within or near Fibrotic Lesions in Patients with Interstitial Lung Disease. Cancers (Basel) 2021; 13:cancers13225751. [PMID: 34830905 PMCID: PMC8616068 DOI: 10.3390/cancers13225751] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 11/10/2021] [Accepted: 11/12/2021] [Indexed: 11/21/2022] Open
Abstract
Simple Summary Lung cancer often occurs around fibrotic lesions in patients with interstitial lung disease (ILD). In patients with ILD, several methods are available for diagnosing peripheral pulmonary lesions (PPLs), such as bronchoscopy with radial endobronchial ultrasound (R-EBUS), transthoracic needle biopsy, and surgical lung biopsy. As well as previous reports, in patients with ILD, bronchoscopy with R-EBUS might be an option as the primary procedure for diagnosing PPLs with fewer complications. However, the utility and safety of bronchoscopy with R-EBUS for PPLs in patients with ILD remain unknown. In this study, we assessed the efficacy and complications as the initial diagnostic procedure of bronchoscopy with R-EBUS according to the proximity of PPLs to fibrotic lesions. Our study might make a contribution to physicians who treat PPLs in patients with underlying ILD. Abstract In patients with interstitial lung disease (ILD), the most frequent locations of lung cancer are within or near fibrotic lesions. However, the diagnostic yield for peripheral pulmonary lesions (PPLs) within or near fibrotic lesions using endobronchial ultrasonography with a guide sheath transbronchial biopsy (EBUS-GS TBB) may be unsatisfactory compared to that for PPLs distant from fibrotic lesions because of the difficulty in reaching the lesions. Our objectives were to evaluate the yield for PPLs using EBUS-GS TBB according to the proximity of PPLs to fibrotic lesions and to determine factors affecting the yield for PPLs. We retrospectively investigated 323 consecutive lesions using EBUS-GS TBB between 1 November 2014 and 31 December 2016. We identified PPLs with ILD in such lesions. PPLs with ILD were divided into PPLs within or near fibrotic lesions which met the criterion of PPLs, and of fibrotic lesions overlapping each other (PPLs-FL) and those distant from fibrotic lesions, which met the criterion of PPLs and the area of fibrotic lesion not overlapping each other (PPLs-NFL). Of the 323 lesions, 55 were included (31 PPLs-FL and 24 PPLs-NFL). The diagnostic yield for PPLs-FL was significantly lower than for PPLs-NFL (45.2% vs. 83.3%, p = 0.004). Multivariate analysis revealed that PPLs-NFL (odds ratio (OR) = 7.509) and a probe position within the lesion (OR = 4.172) were significant factors affecting diagnostic yield. Lesion’s positional relation to fibrotic lesions and the probe position were important factors affecting the successful diagnosis via EBUS-GS TBB in these patients.
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Sumi T, Shijubou N, Sawai T, Kamada K, Yamada Y, Nakata H, Mori Y, Chiba H. Transbronchial needle aspiration with endobronchial ultrasonography and ultrathin bronchoscopy for peripheral pulmonary lesions. Respir Investig 2021; 59:766-771. [PMID: 33992599 DOI: 10.1016/j.resinv.2021.04.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 03/06/2021] [Accepted: 04/12/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Although the efficacy of lung cancer treatment has improved, it is dependent on a reliable diagnosis via bronchoscopy. Transbronchial biopsy using ultrathin bronchoscopy can help detect small peripheral pulmonary lesions (PPLs), with a high diagnostic yield. However, the diagnosis rate using forceps biopsy when the radial endobronchial ultrasonography (rEBUS) probe is adjacent to a lesion tends to be low. Transbronchial needle aspiration (TBNA) may improve the diagnostic yield from adjacent lesions. Recently, PeriView FLEX, a new TBNA needle that can be inserted into ultrathin bronchoscopes, has become available. We examined whether TBNA with PeriView FLEX and forceps biopsy improved adjacent lesion diagnosis when using ultrathin bronchoscopes. METHODS We retrospectively examined 51 consecutive patients who underwent TBNA and forceps biopsy using ultrathin bronchoscopes under rEBUS for small PPLs at the Hakodate Goryoukaku Hospital between November 2019 and August 2020. The histological diagnosis rate using TBNA and forceps biopsy, TBNA alone, or forceps biopsy alone was compared between cases where the rEBUS probe was "Within" and "Adjacent To" the lesions. RESULTS The diagnosis rate using TBNA and forceps biopsy was 86.3% (95.7% vs. 78.6%; p = 0.08) for all lesions (Within cases vs. Adjacent To cases). The corresponding rate using TBNA alone was 68.6% (69.6% vs. 67.9%; p = 0.57), and that using forceps biopsy alone was 72.5% (91.3% vs. 57.1%; p = 0.0067). CONCLUSIONS Forceps biopsy with TBNA during ultrathin bronchoscopy for small PPLs improved the diagnostic yield when lesions were adjacent to the rEBUS probe.
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Affiliation(s)
- Toshiyuki Sumi
- Department of Pulmonary Medicine, Hakodate Goryoukaku Hospital, Hokkaido, Japan; Department of Respiratory Medicine and Allergology, Sapporo Medical University School of Medicine, Sapporo, Japan.
| | - Naoki Shijubou
- Department of Pulmonary Medicine, Hakodate Goryoukaku Hospital, Hokkaido, Japan; Department of Respiratory Medicine and Allergology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Takeyuki Sawai
- Department of Pulmonary Medicine, Hakodate General Hospital, Hokkaido, Japan; Department of Respiratory Medicine and Allergology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Koki Kamada
- Department of Pulmonary Medicine, Hakodate Goryoukaku Hospital, Hokkaido, Japan; Department of Respiratory Medicine and Allergology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Yuichi Yamada
- Department of Pulmonary Medicine, Hakodate Goryoukaku Hospital, Hokkaido, Japan
| | - Hisashi Nakata
- Department of Pulmonary Medicine, Hakodate Goryoukaku Hospital, Hokkaido, Japan
| | - Yuji Mori
- Department of Pulmonary Medicine, Hakodate Goryoukaku Hospital, Hokkaido, Japan
| | - Hirofumi Chiba
- Department of Respiratory Medicine and Allergology, Sapporo Medical University School of Medicine, Sapporo, Japan
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9
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Lam S, Shah PL. Bronchoscopic Diagnosis of Peripheral Lung Lesions. Respiration 2021; 100:764-766. [PMID: 34004606 DOI: 10.1159/000516393] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 04/07/2021] [Indexed: 11/19/2022] Open
Affiliation(s)
- Stephen Lam
- Department of Integrative Oncology, British Columbia Cancer Research Institute and Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Pallav L Shah
- Department of Respiratory Medicine, Royal Brompton Hospital, London, United Kingdom.,Department of Respiratory Medicine, Chelsea & Westminster NHS Foundation Trust, London, United Kingdom.,National Heart and Lung Institute, Imperial College London, London, United Kingdom
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10
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Kuno H, Sainouchi R, Simamoto T, Miyagawa‐Hayashino A, Takemura Y. Diagnosis of unexposed tumours using endobronchial ultrasonography with a guide sheath and a thin transbronchial needle. Respirol Case Rep 2021; 9:e00713. [PMID: 33532076 PMCID: PMC7829632 DOI: 10.1002/rcr2.713] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 01/05/2021] [Accepted: 01/07/2021] [Indexed: 11/10/2022] Open
Abstract
Transbronchial diagnosis of unexposed lung tumours is challenging in clinical practice. Although modified transbronchial needle aspiration (TBNA) is used for this purpose, the diagnostic yield is unsatisfactory. In such cases, conventional endobronchial ultrasonography with a guide sheath and transbronchial biopsy (TBB) is also ineffective. We found TBB was feasible by placing a guide sheath with a thin transbronchial needle into the tumours. We report two cases of unexposed tumours diagnosed successfully with this technique. Case 1 presents a typical carcinoid in the peripheral lung. Case 2 presents a squamous cell carcinoma at the third bifurcation of the right lung. TBB samples obtained this way were larger than TBNA samples. Moreover, multiple TBBs were possible once the guide sheath was inserted intratumourally. In the modern era of precision medicine, larger amounts of tissues are required for multiple downstream analyses. This novel technique will make a significant contribution towards diagnosing unexposed lung tumours.
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Affiliation(s)
- Haruka Kuno
- Department of Pulmonary MedicineKyoto Kuramaguchi Medical CenterKyotoJapan
| | - Rei Sainouchi
- Department of Pulmonary MedicineKyoto Kuramaguchi Medical CenterKyotoJapan
| | - Takayuki Simamoto
- Department of Pulmonary MedicineKyoto Kuramaguchi Medical CenterKyotoJapan
| | | | - Yoshizumi Takemura
- Department of Pulmonary MedicineKyoto Kuramaguchi Medical CenterKyotoJapan
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11
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Lam S, Bryant H, Donahoe L, Domingo A, Earle C, Finley C, Gonzalez AV, Hergott C, Hung RJ, Ireland AM, Lovas M, Manos D, Mayo J, Maziak DE, McInnis M, Myers R, Nicholson E, Politis C, Schmidt H, Sekhon HS, Soprovich M, Stewart A, Tammemagi M, Taylor JL, Tsao MS, Warkentin MT, Yasufuku K. Management of screen-detected lung nodules: A Canadian partnership against cancer guidance document. CANADIAN JOURNAL OF RESPIRATORY CRITICAL CARE AND SLEEP MEDICINE 2020. [DOI: 10.1080/24745332.2020.1819175] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Stephen Lam
- British Columbia Cancer Agency & the University of British Columbia, Vancouver, British Columbia, Canada
| | - Heather Bryant
- Screening and Early Detection, Canadian Partnership Against Cancer, Toronto, Ontario, Canada
| | - Laura Donahoe
- Division of Thoracic Surgery, Department of Surgery, University Health Network, Toronto, Ontario, Canada
| | - Ashleigh Domingo
- Screening and Early Detection, Canadian Partnership Against Cancer, Toronto, Ontario, Canada
| | - Craig Earle
- Screening and Early Detection, Canadian Partnership Against Cancer, Toronto, Ontario, Canada
| | - Christian Finley
- Department of Thoracic Surgery, St. Joseph's Healthcare, McMaster University, Hamilton, Ontario, Canada
| | - Anne V. Gonzalez
- Division of Respiratory Medicine, McGill University, Montreal, Quebec, Canada
| | - Christopher Hergott
- Division of Respiratory Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Rayjean J. Hung
- Prosserman Centre for Population Health Research, Lunenfeld-Tanenbaum Research Institute, Sinai Health System, Division of Epidemiology, Dalla Lana School of Public Health, University of Toronto, Ontario, Canada
| | - Anne Marie Ireland
- Patient and Family Advocate, Canadian Partnership Against Cancer, Toronto, Ontario, Canada
| | - Michael Lovas
- Patient and Family Advocate, Canadian Partnership Against Cancer, Toronto, Ontario, Canada
| | - Daria Manos
- Department of Diagnostic Radiology, Dalhousie University, Halifax, Nova Scotia, Canada
| | - John Mayo
- Department of Radiology, Vancouver Coastal Health, University of British Columbia, Vancouver, British Columbia, Canada
| | - Donna E. Maziak
- Surgical Oncology Division of Thoracic Surgery, Ottawa Hospital, Ottawa, Ontario, Canada
| | - Micheal McInnis
- Joint Department of Medical Imaging, University Health Network, Toronto, Ontario, Canada
| | - Renelle Myers
- British Columbia Cancer Agency & the University of British Columbia, Vancouver, British Columbia, Canada
| | - Erika Nicholson
- Screening and Early Detection, Canadian Partnership Against Cancer, Toronto, Ontario, Canada
| | - Christopher Politis
- Screening and Early Detection, Canadian Partnership Against Cancer, Toronto, Ontario, Canada
| | - Heidi Schmidt
- University Health Network and Princess Margaret Cancer Centre, Toronto, Ontario, Canada
| | - Harman S. Sekhon
- Department of Pathology and Laboratory Medicine, University of Ottawa, The Ottawa Hospital, Ottawa, Ontario, Canada
| | - Marie Soprovich
- Patient and Family Advocate, Canadian Partnership Against Cancer, Toronto, Ontario, Canada
| | - Archie Stewart
- Patient and Family Advocate, Canadian Partnership Against Cancer, Toronto, Ontario, Canada
| | - Martin Tammemagi
- Department of Health Sciences, Brock University, St. Catharines, Ontario, Canada
| | - Jana L. Taylor
- Department of Radiology, McGill University, Montreal, Quebec, Canada
| | - Ming-Sound Tsao
- Department of Laboratory Medicine and Pathobiology, University Health Network and Princess Margaret Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Matthew T. Warkentin
- Prosserman Centre for Population Health Research, Lunenfeld-Tanenbaum Research Institute, Sinai Health System, Division of Epidemiology, Dalla Lana School of Public Health, University of Toronto, Ontario, Canada
| | - Kazuhiro Yasufuku
- Division of Thoracic Surgery, Department of Surgery and Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto General Hospital, University Health Network, Toronto, Ontario, Canada
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