Comparison of adequacy between transbronchial lung cryobiopsy samples and endobronchial ultrasound‐guided transbronchial needle aspiration samples for next‐generation sequencing analysis

Background Most lung cancer patients present with lesions in both lung fields and lymphadenopathy. Thus, transbronchial lung cryobiopsy (TBLC) and endobronchial ultrasound‐guided transbronchial needle aspiration (EBUS‐TBNA) are commonly performed for diagnosing lung cancer. However, the adequacy of...

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Veröffentlicht in:Thoracic cancer 2021-01, Vol.12 (2), p.251-258
Hauptverfasser: Tone, Mari, Inomata, Minoru, Awano, Nobuyasu, Kuse, Naoyuki, Takada, Kohei, Minami, Jonsu, Muto, Yutaka, Fujimoto, Kazushi, Kumasaka, Toshio, Izumo, Takehiro
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container_issue 2
container_start_page 251
container_title Thoracic cancer
container_volume 12
creator Tone, Mari
Inomata, Minoru
Awano, Nobuyasu
Kuse, Naoyuki
Takada, Kohei
Minami, Jonsu
Muto, Yutaka
Fujimoto, Kazushi
Kumasaka, Toshio
Izumo, Takehiro
description Background Most lung cancer patients present with lesions in both lung fields and lymphadenopathy. Thus, transbronchial lung cryobiopsy (TBLC) and endobronchial ultrasound‐guided transbronchial needle aspiration (EBUS‐TBNA) are commonly performed for diagnosing lung cancer. However, the adequacy of these samples for next‐generation sequencing (NGS) analysis remains unclear. This study aimed to compare the adequacy between TBLC and EBUS‐TBNA samples for NGS analysis. Methods This retrospective cohort study included patients whose lung samples were collected via TBLC or EBUS‐TBNA and analyzed using NGS. Out of 46 genes, the number of genes in TBNA and TBLC samples that could not be assessed via NGS analysis was mainly evaluated. Results A total of 37 patients were included and classified into two groups (TBLC group, n = 18 and TBNA group, n = 19). The mean number of genes that could not be evaluated via NGS analysis was significantly lower in the TBLC group than in the TBNA group (0.9 vs. 10.3, P = 0.024). The median total area of tumor cells in TBLC samples was significantly greater than that in TBNA samples (6.3 [1.6–4.2] vs. 2.6 [0.2–17.3] mm2, P 
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Thus, transbronchial lung cryobiopsy (TBLC) and endobronchial ultrasound‐guided transbronchial needle aspiration (EBUS‐TBNA) are commonly performed for diagnosing lung cancer. However, the adequacy of these samples for next‐generation sequencing (NGS) analysis remains unclear. This study aimed to compare the adequacy between TBLC and EBUS‐TBNA samples for NGS analysis. Methods This retrospective cohort study included patients whose lung samples were collected via TBLC or EBUS‐TBNA and analyzed using NGS. Out of 46 genes, the number of genes in TBNA and TBLC samples that could not be assessed via NGS analysis was mainly evaluated. Results A total of 37 patients were included and classified into two groups (TBLC group, n = 18 and TBNA group, n = 19). The mean number of genes that could not be evaluated via NGS analysis was significantly lower in the TBLC group than in the TBNA group (0.9 vs. 10.3, P = 0.024). The median total area of tumor cells in TBLC samples was significantly greater than that in TBNA samples (6.3 [1.6–4.2] vs. 2.6 [0.2–17.3] mm2, P &lt; 0.01). In the TBNA group, there were two fully inadequate samples for NGS analysis with a high degree of cell crush or low tumor content, while there was no fully inadequate sample in the TBLC group. Conclusions TBLC is more effective in obtaining adequate samples for NGS analysis than EBUS‐TBNA. TBLC should be performed to obtain adequate samples for NGS analysis in lung cancer patients with target lesions in lung fields, even if they have lymphadenopathy. Key points Significant findings of the study The mean number of genes that could not be evaluated was significantly lower in TBLC samples than in EBUS‐TBNA samples (0.9 vs. 10.3, P = 0.024). TBLC could obtain adequate samples with a high concentration of uncrushed tumor cells for NGS. What this study adds To obtain samples for NGS analysis, the use of TBLC should be aggressively considered in lung‐cancer patients with target lesions located in lung fields, even if they have lymphadenopathy. The adequacy for next generation sequencing (NGS) in transbronchial lung cryobiopsy (TBLC) and endobronchial ultrasound‐guided transbronchial needle aspiration (EBUS‐TBNA) samples remains unclear. We found the mean number of genes which could not be assessed via NGS was significantly lower in TBLC samples than EBUS‐TBNA samples. TBLC could obtain adequate samples with a high concentration of uncrushed tumor cells for NGS.</description><identifier>ISSN: 1759-7706</identifier><identifier>EISSN: 1759-7714</identifier><identifier>DOI: 10.1111/1759-7714.13770</identifier><identifier>PMID: 33270369</identifier><language>eng</language><publisher>Melbourne: John Wiley &amp; Sons Australia, Ltd</publisher><subject>Biopsy ; Bronchoscopy ; Cancer therapies ; Catheters ; Clinical medicine ; cryobiopsy ; endobronchial ultrasound‐guided transbronchial needle aspiration ; Genes ; Lung cancer ; Lymphatic system ; Mutation ; next‐generation sequencing ; Original ; Ultrasonic imaging</subject><ispartof>Thoracic cancer, 2021-01, Vol.12 (2), p.251-258</ispartof><rights>2020 The Authors. published by China Lung Oncology Group and John Wiley &amp; Sons Australia, Ltd</rights><rights>2020 The Authors. Thoracic Cancer published by China Lung Oncology Group and John Wiley &amp; Sons Australia, Ltd.</rights><rights>2021. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5330-59830d6eade2cd2c8c56c21aec02fa0de83f388a9e48b87bcd061931d21084d13</citedby><cites>FETCH-LOGICAL-c5330-59830d6eade2cd2c8c56c21aec02fa0de83f388a9e48b87bcd061931d21084d13</cites><orcidid>0000-0002-8230-0757</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC7812063/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC7812063/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,860,881,1411,11541,27901,27902,45550,45551,46027,46451,53766,53768</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33270369$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Tone, Mari</creatorcontrib><creatorcontrib>Inomata, Minoru</creatorcontrib><creatorcontrib>Awano, Nobuyasu</creatorcontrib><creatorcontrib>Kuse, Naoyuki</creatorcontrib><creatorcontrib>Takada, Kohei</creatorcontrib><creatorcontrib>Minami, Jonsu</creatorcontrib><creatorcontrib>Muto, Yutaka</creatorcontrib><creatorcontrib>Fujimoto, Kazushi</creatorcontrib><creatorcontrib>Kumasaka, Toshio</creatorcontrib><creatorcontrib>Izumo, Takehiro</creatorcontrib><title>Comparison of adequacy between transbronchial lung cryobiopsy samples and endobronchial ultrasound‐guided transbronchial needle aspiration samples for next‐generation sequencing analysis</title><title>Thoracic cancer</title><addtitle>Thorac Cancer</addtitle><description>Background Most lung cancer patients present with lesions in both lung fields and lymphadenopathy. Thus, transbronchial lung cryobiopsy (TBLC) and endobronchial ultrasound‐guided transbronchial needle aspiration (EBUS‐TBNA) are commonly performed for diagnosing lung cancer. However, the adequacy of these samples for next‐generation sequencing (NGS) analysis remains unclear. This study aimed to compare the adequacy between TBLC and EBUS‐TBNA samples for NGS analysis. Methods This retrospective cohort study included patients whose lung samples were collected via TBLC or EBUS‐TBNA and analyzed using NGS. Out of 46 genes, the number of genes in TBNA and TBLC samples that could not be assessed via NGS analysis was mainly evaluated. Results A total of 37 patients were included and classified into two groups (TBLC group, n = 18 and TBNA group, n = 19). The mean number of genes that could not be evaluated via NGS analysis was significantly lower in the TBLC group than in the TBNA group (0.9 vs. 10.3, P = 0.024). The median total area of tumor cells in TBLC samples was significantly greater than that in TBNA samples (6.3 [1.6–4.2] vs. 2.6 [0.2–17.3] mm2, P &lt; 0.01). In the TBNA group, there were two fully inadequate samples for NGS analysis with a high degree of cell crush or low tumor content, while there was no fully inadequate sample in the TBLC group. Conclusions TBLC is more effective in obtaining adequate samples for NGS analysis than EBUS‐TBNA. TBLC should be performed to obtain adequate samples for NGS analysis in lung cancer patients with target lesions in lung fields, even if they have lymphadenopathy. Key points Significant findings of the study The mean number of genes that could not be evaluated was significantly lower in TBLC samples than in EBUS‐TBNA samples (0.9 vs. 10.3, P = 0.024). TBLC could obtain adequate samples with a high concentration of uncrushed tumor cells for NGS. What this study adds To obtain samples for NGS analysis, the use of TBLC should be aggressively considered in lung‐cancer patients with target lesions located in lung fields, even if they have lymphadenopathy. The adequacy for next generation sequencing (NGS) in transbronchial lung cryobiopsy (TBLC) and endobronchial ultrasound‐guided transbronchial needle aspiration (EBUS‐TBNA) samples remains unclear. We found the mean number of genes which could not be assessed via NGS was significantly lower in TBLC samples than EBUS‐TBNA samples. TBLC could obtain adequate samples with a high concentration of uncrushed tumor cells for NGS.</description><subject>Biopsy</subject><subject>Bronchoscopy</subject><subject>Cancer therapies</subject><subject>Catheters</subject><subject>Clinical medicine</subject><subject>cryobiopsy</subject><subject>endobronchial ultrasound‐guided transbronchial needle aspiration</subject><subject>Genes</subject><subject>Lung cancer</subject><subject>Lymphatic system</subject><subject>Mutation</subject><subject>next‐generation sequencing</subject><subject>Original</subject><subject>Ultrasonic imaging</subject><issn>1759-7706</issn><issn>1759-7714</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>24P</sourceid><sourceid>BENPR</sourceid><recordid>eNqFks1u1DAUhSMEolXbNTtkiQ2baf2TxM4GqRpBQarEpqwtx76ZunLsYCeU7PoIfSIepk-Cw3SG0g3e2PL97tE9uqco3hB8SvI5I7xqVpyT8pQwzvGL4nD_83L_xvVBcZLSDc6HiQbT6nVxwBjlmNXNYfFrHfpBRZuCR6FDysD3SekZtTDeAng0RuVTG4PX11Y55Ca_QTrOobVhSDNKqh8cJKS8QeBN-EtOLremMHnzcHe_mawB81zMAxgHSKXBRjXaPMFOrgsxV3-OSyt42FXzbOC1zSMor9ycbDouXnXKJTh5vI-Kb58-Xq0_ry6_XnxZn1-udMUYXlWNYNjUkO1RbagWuqo1JQo0pp3CBgTrmBCqgVK0grfa4Jo0jBhKsCgNYUfFh63uMLU9GA0-e3FyiLZXcZZBWflvxdtruQk_JBeE4pplgfePAjFkF2mUvU0anFMewpQkLeua87yVJqPvnqE3YYrZ8EJxwfIOaZmpsy2lY0gpQrcfhmC5xEMuAZBLGOSfeOSOt0897PldGDJQbYFb62D-n568Wp9vhX8D79zONA</recordid><startdate>202101</startdate><enddate>202101</enddate><creator>Tone, Mari</creator><creator>Inomata, Minoru</creator><creator>Awano, Nobuyasu</creator><creator>Kuse, Naoyuki</creator><creator>Takada, Kohei</creator><creator>Minami, Jonsu</creator><creator>Muto, Yutaka</creator><creator>Fujimoto, Kazushi</creator><creator>Kumasaka, Toshio</creator><creator>Izumo, Takehiro</creator><general>John Wiley &amp; Sons Australia, Ltd</general><general>John Wiley &amp; Sons, Inc</general><scope>24P</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7X7</scope><scope>7XB</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>K9.</scope><scope>M0S</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0002-8230-0757</orcidid></search><sort><creationdate>202101</creationdate><title>Comparison of adequacy between transbronchial lung cryobiopsy samples and endobronchial ultrasound‐guided transbronchial needle aspiration samples for next‐generation sequencing analysis</title><author>Tone, Mari ; Inomata, Minoru ; Awano, Nobuyasu ; Kuse, Naoyuki ; Takada, Kohei ; Minami, Jonsu ; 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Thus, transbronchial lung cryobiopsy (TBLC) and endobronchial ultrasound‐guided transbronchial needle aspiration (EBUS‐TBNA) are commonly performed for diagnosing lung cancer. However, the adequacy of these samples for next‐generation sequencing (NGS) analysis remains unclear. This study aimed to compare the adequacy between TBLC and EBUS‐TBNA samples for NGS analysis. Methods This retrospective cohort study included patients whose lung samples were collected via TBLC or EBUS‐TBNA and analyzed using NGS. Out of 46 genes, the number of genes in TBNA and TBLC samples that could not be assessed via NGS analysis was mainly evaluated. Results A total of 37 patients were included and classified into two groups (TBLC group, n = 18 and TBNA group, n = 19). The mean number of genes that could not be evaluated via NGS analysis was significantly lower in the TBLC group than in the TBNA group (0.9 vs. 10.3, P = 0.024). The median total area of tumor cells in TBLC samples was significantly greater than that in TBNA samples (6.3 [1.6–4.2] vs. 2.6 [0.2–17.3] mm2, P &lt; 0.01). In the TBNA group, there were two fully inadequate samples for NGS analysis with a high degree of cell crush or low tumor content, while there was no fully inadequate sample in the TBLC group. Conclusions TBLC is more effective in obtaining adequate samples for NGS analysis than EBUS‐TBNA. TBLC should be performed to obtain adequate samples for NGS analysis in lung cancer patients with target lesions in lung fields, even if they have lymphadenopathy. Key points Significant findings of the study The mean number of genes that could not be evaluated was significantly lower in TBLC samples than in EBUS‐TBNA samples (0.9 vs. 10.3, P = 0.024). TBLC could obtain adequate samples with a high concentration of uncrushed tumor cells for NGS. What this study adds To obtain samples for NGS analysis, the use of TBLC should be aggressively considered in lung‐cancer patients with target lesions located in lung fields, even if they have lymphadenopathy. The adequacy for next generation sequencing (NGS) in transbronchial lung cryobiopsy (TBLC) and endobronchial ultrasound‐guided transbronchial needle aspiration (EBUS‐TBNA) samples remains unclear. We found the mean number of genes which could not be assessed via NGS was significantly lower in TBLC samples than EBUS‐TBNA samples. TBLC could obtain adequate samples with a high concentration of uncrushed tumor cells for NGS.</abstract><cop>Melbourne</cop><pub>John Wiley &amp; Sons Australia, Ltd</pub><pmid>33270369</pmid><doi>10.1111/1759-7714.13770</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0002-8230-0757</orcidid><oa>free_for_read</oa></addata></record>
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subjects Biopsy
Bronchoscopy
Cancer therapies
Catheters
Clinical medicine
cryobiopsy
endobronchial ultrasound‐guided transbronchial needle aspiration
Genes
Lung cancer
Lymphatic system
Mutation
next‐generation sequencing
Original
Ultrasonic imaging
title Comparison of adequacy between transbronchial lung cryobiopsy samples and endobronchial ultrasound‐guided transbronchial needle aspiration samples for next‐generation sequencing analysis
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