Direct Smear Versus Liquid-Based Cytology in the Diagnosis of Bladder Lesions

Background & Objective: Urine cytology is an important diagnostic method for urinary tract cancers (especially carcinomas), which is suitable for follow-up of residual urothelial tumors after surgery of malignant bladder tumors. In this study, for the first time, liquid-based cytology (LBC) was...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Mahmoud Reza Kalantari [verfasserIn] Mohammad Ali Jahanshahi [verfasserIn] Masoumeh Gharib [verfasserIn] Sara Hashemi [verfasserIn] Shakiba Kalantari [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	bladder cancer direct smear liquid-based cytology urine cytology

Übergeordnetes Werk:	In: Iranian Journal of Pathology - Iranian Society of Pathology, 2019, 17(2022), 1, Seite 56-64
Übergeordnetes Werk:	volume:17 ; year:2022 ; number:1 ; pages:56-64

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc Journal toc

DOI / URN:	10.30699/ijp.2021.528171.2646

Katalog-ID:	DOAJ018284353

Internformat


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520			\|a Background & Objective: Urine cytology is an important diagnostic method for urinary tract cancers (especially carcinomas), which is suitable for follow-up of residual urothelial tumors after surgery of malignant bladder tumors. In this study, for the first time, liquid-based cytology (LBC) was used in cervical cytology. Compared to direct smear cytology (DSC), LBC reduced background elements (including cellular debris, inflammatory cells, and blood cells), provided better cell preservation, and had a higher satisfaction rate. In this study, we performed two different methods (DSC and LBC) to detect bladder lesions; also, we determined the sensitivity and specificity of these methods.Methods: A total of 146 samples were taken from patients with suspected bladder cancer and processed for direct smear and LBC. In both methods, findings were reported according to the Paris System. Then, patients underwent cystoscopy and biopsy. Next, the accuracy of cytology methods was evaluated according to biopsy reports. The sensitivity and specificity of these methods were also calculated.Results: Credit indices obtained for the direct smear method included sensitivity (62.5%), specificity (89%), positive predictive value (89.5%), and negative predictive value (91.5%). For LBC methods, credit indices included sensitivity (85.7%), specificity (99%), positive predictive value (96%), and negative predictive value (96%). Agreement between the two methods was statistically significant (P<0.000) in negative biopsies but not in positive biopsies (P<0.05).Conclusion: This study showed that LBC has higher sensitivity and specificity than the direct smear.
650		4	\|a bladder cancer
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700	0		\|a Shakiba Kalantari \|e verfasserin \|4 aut
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allfields	10.30699/ijp.2021.528171.2646 doi (DE-627)DOAJ018284353 (DE-599)DOAJ5230c1c1492540c4a42984547cb701ec DE-627 ger DE-627 rakwb eng RB1-214 Mahmoud Reza Kalantari verfasserin aut Direct Smear Versus Liquid-Based Cytology in the Diagnosis of Bladder Lesions 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background & Objective: Urine cytology is an important diagnostic method for urinary tract cancers (especially carcinomas), which is suitable for follow-up of residual urothelial tumors after surgery of malignant bladder tumors. In this study, for the first time, liquid-based cytology (LBC) was used in cervical cytology. Compared to direct smear cytology (DSC), LBC reduced background elements (including cellular debris, inflammatory cells, and blood cells), provided better cell preservation, and had a higher satisfaction rate. In this study, we performed two different methods (DSC and LBC) to detect bladder lesions; also, we determined the sensitivity and specificity of these methods.Methods: A total of 146 samples were taken from patients with suspected bladder cancer and processed for direct smear and LBC. In both methods, findings were reported according to the Paris System. Then, patients underwent cystoscopy and biopsy. Next, the accuracy of cytology methods was evaluated according to biopsy reports. The sensitivity and specificity of these methods were also calculated.Results: Credit indices obtained for the direct smear method included sensitivity (62.5%), specificity (89%), positive predictive value (89.5%), and negative predictive value (91.5%). For LBC methods, credit indices included sensitivity (85.7%), specificity (99%), positive predictive value (96%), and negative predictive value (96%). Agreement between the two methods was statistically significant (P<0.000) in negative biopsies but not in positive biopsies (P<0.05).Conclusion: This study showed that LBC has higher sensitivity and specificity than the direct smear. bladder cancer direct smear liquid-based cytology urine cytology Pathology Mohammad Ali Jahanshahi verfasserin aut Masoumeh Gharib verfasserin aut Sara Hashemi verfasserin aut Shakiba Kalantari verfasserin aut In Iranian Journal of Pathology Iranian Society of Pathology, 2019 17(2022), 1, Seite 56-64 (DE-627)591514141 (DE-600)2478278-6 23453656 nnns volume:17 year:2022 number:1 pages:56-64 https://doi.org/10.30699/ijp.2021.528171.2646 kostenfrei https://doaj.org/article/5230c1c1492540c4a42984547cb701ec kostenfrei https://ijp.iranpath.org/article_247350_de9c73afadfda796b016a8a97ce59a03.pdf kostenfrei https://doaj.org/toc/1735-5303 Journal toc kostenfrei https://doaj.org/toc/2345-3656 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 17 2022 1 56-64
spelling	10.30699/ijp.2021.528171.2646 doi (DE-627)DOAJ018284353 (DE-599)DOAJ5230c1c1492540c4a42984547cb701ec DE-627 ger DE-627 rakwb eng RB1-214 Mahmoud Reza Kalantari verfasserin aut Direct Smear Versus Liquid-Based Cytology in the Diagnosis of Bladder Lesions 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background & Objective: Urine cytology is an important diagnostic method for urinary tract cancers (especially carcinomas), which is suitable for follow-up of residual urothelial tumors after surgery of malignant bladder tumors. In this study, for the first time, liquid-based cytology (LBC) was used in cervical cytology. Compared to direct smear cytology (DSC), LBC reduced background elements (including cellular debris, inflammatory cells, and blood cells), provided better cell preservation, and had a higher satisfaction rate. In this study, we performed two different methods (DSC and LBC) to detect bladder lesions; also, we determined the sensitivity and specificity of these methods.Methods: A total of 146 samples were taken from patients with suspected bladder cancer and processed for direct smear and LBC. In both methods, findings were reported according to the Paris System. Then, patients underwent cystoscopy and biopsy. Next, the accuracy of cytology methods was evaluated according to biopsy reports. The sensitivity and specificity of these methods were also calculated.Results: Credit indices obtained for the direct smear method included sensitivity (62.5%), specificity (89%), positive predictive value (89.5%), and negative predictive value (91.5%). For LBC methods, credit indices included sensitivity (85.7%), specificity (99%), positive predictive value (96%), and negative predictive value (96%). Agreement between the two methods was statistically significant (P<0.000) in negative biopsies but not in positive biopsies (P<0.05).Conclusion: This study showed that LBC has higher sensitivity and specificity than the direct smear. bladder cancer direct smear liquid-based cytology urine cytology Pathology Mohammad Ali Jahanshahi verfasserin aut Masoumeh Gharib verfasserin aut Sara Hashemi verfasserin aut Shakiba Kalantari verfasserin aut In Iranian Journal of Pathology Iranian Society of Pathology, 2019 17(2022), 1, Seite 56-64 (DE-627)591514141 (DE-600)2478278-6 23453656 nnns volume:17 year:2022 number:1 pages:56-64 https://doi.org/10.30699/ijp.2021.528171.2646 kostenfrei https://doaj.org/article/5230c1c1492540c4a42984547cb701ec kostenfrei https://ijp.iranpath.org/article_247350_de9c73afadfda796b016a8a97ce59a03.pdf kostenfrei https://doaj.org/toc/1735-5303 Journal toc kostenfrei https://doaj.org/toc/2345-3656 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 17 2022 1 56-64
allfields_unstemmed	10.30699/ijp.2021.528171.2646 doi (DE-627)DOAJ018284353 (DE-599)DOAJ5230c1c1492540c4a42984547cb701ec DE-627 ger DE-627 rakwb eng RB1-214 Mahmoud Reza Kalantari verfasserin aut Direct Smear Versus Liquid-Based Cytology in the Diagnosis of Bladder Lesions 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background & Objective: Urine cytology is an important diagnostic method for urinary tract cancers (especially carcinomas), which is suitable for follow-up of residual urothelial tumors after surgery of malignant bladder tumors. In this study, for the first time, liquid-based cytology (LBC) was used in cervical cytology. Compared to direct smear cytology (DSC), LBC reduced background elements (including cellular debris, inflammatory cells, and blood cells), provided better cell preservation, and had a higher satisfaction rate. In this study, we performed two different methods (DSC and LBC) to detect bladder lesions; also, we determined the sensitivity and specificity of these methods.Methods: A total of 146 samples were taken from patients with suspected bladder cancer and processed for direct smear and LBC. In both methods, findings were reported according to the Paris System. Then, patients underwent cystoscopy and biopsy. Next, the accuracy of cytology methods was evaluated according to biopsy reports. The sensitivity and specificity of these methods were also calculated.Results: Credit indices obtained for the direct smear method included sensitivity (62.5%), specificity (89%), positive predictive value (89.5%), and negative predictive value (91.5%). For LBC methods, credit indices included sensitivity (85.7%), specificity (99%), positive predictive value (96%), and negative predictive value (96%). Agreement between the two methods was statistically significant (P<0.000) in negative biopsies but not in positive biopsies (P<0.05).Conclusion: This study showed that LBC has higher sensitivity and specificity than the direct smear. bladder cancer direct smear liquid-based cytology urine cytology Pathology Mohammad Ali Jahanshahi verfasserin aut Masoumeh Gharib verfasserin aut Sara Hashemi verfasserin aut Shakiba Kalantari verfasserin aut In Iranian Journal of Pathology Iranian Society of Pathology, 2019 17(2022), 1, Seite 56-64 (DE-627)591514141 (DE-600)2478278-6 23453656 nnns volume:17 year:2022 number:1 pages:56-64 https://doi.org/10.30699/ijp.2021.528171.2646 kostenfrei https://doaj.org/article/5230c1c1492540c4a42984547cb701ec kostenfrei https://ijp.iranpath.org/article_247350_de9c73afadfda796b016a8a97ce59a03.pdf kostenfrei https://doaj.org/toc/1735-5303 Journal toc kostenfrei https://doaj.org/toc/2345-3656 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 17 2022 1 56-64
allfieldsGer	10.30699/ijp.2021.528171.2646 doi (DE-627)DOAJ018284353 (DE-599)DOAJ5230c1c1492540c4a42984547cb701ec DE-627 ger DE-627 rakwb eng RB1-214 Mahmoud Reza Kalantari verfasserin aut Direct Smear Versus Liquid-Based Cytology in the Diagnosis of Bladder Lesions 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background & Objective: Urine cytology is an important diagnostic method for urinary tract cancers (especially carcinomas), which is suitable for follow-up of residual urothelial tumors after surgery of malignant bladder tumors. In this study, for the first time, liquid-based cytology (LBC) was used in cervical cytology. Compared to direct smear cytology (DSC), LBC reduced background elements (including cellular debris, inflammatory cells, and blood cells), provided better cell preservation, and had a higher satisfaction rate. In this study, we performed two different methods (DSC and LBC) to detect bladder lesions; also, we determined the sensitivity and specificity of these methods.Methods: A total of 146 samples were taken from patients with suspected bladder cancer and processed for direct smear and LBC. In both methods, findings were reported according to the Paris System. Then, patients underwent cystoscopy and biopsy. Next, the accuracy of cytology methods was evaluated according to biopsy reports. The sensitivity and specificity of these methods were also calculated.Results: Credit indices obtained for the direct smear method included sensitivity (62.5%), specificity (89%), positive predictive value (89.5%), and negative predictive value (91.5%). For LBC methods, credit indices included sensitivity (85.7%), specificity (99%), positive predictive value (96%), and negative predictive value (96%). Agreement between the two methods was statistically significant (P<0.000) in negative biopsies but not in positive biopsies (P<0.05).Conclusion: This study showed that LBC has higher sensitivity and specificity than the direct smear. bladder cancer direct smear liquid-based cytology urine cytology Pathology Mohammad Ali Jahanshahi verfasserin aut Masoumeh Gharib verfasserin aut Sara Hashemi verfasserin aut Shakiba Kalantari verfasserin aut In Iranian Journal of Pathology Iranian Society of Pathology, 2019 17(2022), 1, Seite 56-64 (DE-627)591514141 (DE-600)2478278-6 23453656 nnns volume:17 year:2022 number:1 pages:56-64 https://doi.org/10.30699/ijp.2021.528171.2646 kostenfrei https://doaj.org/article/5230c1c1492540c4a42984547cb701ec kostenfrei https://ijp.iranpath.org/article_247350_de9c73afadfda796b016a8a97ce59a03.pdf kostenfrei https://doaj.org/toc/1735-5303 Journal toc kostenfrei https://doaj.org/toc/2345-3656 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 17 2022 1 56-64
allfieldsSound	10.30699/ijp.2021.528171.2646 doi (DE-627)DOAJ018284353 (DE-599)DOAJ5230c1c1492540c4a42984547cb701ec DE-627 ger DE-627 rakwb eng RB1-214 Mahmoud Reza Kalantari verfasserin aut Direct Smear Versus Liquid-Based Cytology in the Diagnosis of Bladder Lesions 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background & Objective: Urine cytology is an important diagnostic method for urinary tract cancers (especially carcinomas), which is suitable for follow-up of residual urothelial tumors after surgery of malignant bladder tumors. In this study, for the first time, liquid-based cytology (LBC) was used in cervical cytology. Compared to direct smear cytology (DSC), LBC reduced background elements (including cellular debris, inflammatory cells, and blood cells), provided better cell preservation, and had a higher satisfaction rate. In this study, we performed two different methods (DSC and LBC) to detect bladder lesions; also, we determined the sensitivity and specificity of these methods.Methods: A total of 146 samples were taken from patients with suspected bladder cancer and processed for direct smear and LBC. In both methods, findings were reported according to the Paris System. Then, patients underwent cystoscopy and biopsy. Next, the accuracy of cytology methods was evaluated according to biopsy reports. The sensitivity and specificity of these methods were also calculated.Results: Credit indices obtained for the direct smear method included sensitivity (62.5%), specificity (89%), positive predictive value (89.5%), and negative predictive value (91.5%). For LBC methods, credit indices included sensitivity (85.7%), specificity (99%), positive predictive value (96%), and negative predictive value (96%). Agreement between the two methods was statistically significant (P<0.000) in negative biopsies but not in positive biopsies (P<0.05).Conclusion: This study showed that LBC has higher sensitivity and specificity than the direct smear. bladder cancer direct smear liquid-based cytology urine cytology Pathology Mohammad Ali Jahanshahi verfasserin aut Masoumeh Gharib verfasserin aut Sara Hashemi verfasserin aut Shakiba Kalantari verfasserin aut In Iranian Journal of Pathology Iranian Society of Pathology, 2019 17(2022), 1, Seite 56-64 (DE-627)591514141 (DE-600)2478278-6 23453656 nnns volume:17 year:2022 number:1 pages:56-64 https://doi.org/10.30699/ijp.2021.528171.2646 kostenfrei https://doaj.org/article/5230c1c1492540c4a42984547cb701ec kostenfrei https://ijp.iranpath.org/article_247350_de9c73afadfda796b016a8a97ce59a03.pdf kostenfrei https://doaj.org/toc/1735-5303 Journal toc kostenfrei https://doaj.org/toc/2345-3656 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 17 2022 1 56-64
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In this study, for the first time, liquid-based cytology (LBC) was used in cervical cytology. Compared to direct smear cytology (DSC), LBC reduced background elements (including cellular debris, inflammatory cells, and blood cells), provided better cell preservation, and had a higher satisfaction rate. In this study, we performed two different methods (DSC and LBC) to detect bladder lesions; also, we determined the sensitivity and specificity of these methods.Methods: A total of 146 samples were taken from patients with suspected bladder cancer and processed for direct smear and LBC. In both methods, findings were reported according to the Paris System. Then, patients underwent cystoscopy and biopsy. Next, the accuracy of cytology methods was evaluated according to biopsy reports. The sensitivity and specificity of these methods were also calculated.Results: Credit indices obtained for the direct smear method included sensitivity (62.5%), specificity (89%), positive predictive value (89.5%), and negative predictive value (91.5%). For LBC methods, credit indices included sensitivity (85.7%), specificity (99%), positive predictive value (96%), and negative predictive value (96%). 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callnumber-first	R - Medicine
author	Mahmoud Reza Kalantari
spellingShingle	Mahmoud Reza Kalantari misc RB1-214 misc bladder cancer misc direct smear misc liquid-based cytology misc urine cytology misc Pathology Direct Smear Versus Liquid-Based Cytology in the Diagnosis of Bladder Lesions
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topic_title	RB1-214 Direct Smear Versus Liquid-Based Cytology in the Diagnosis of Bladder Lesions bladder cancer direct smear liquid-based cytology urine cytology
topic	misc RB1-214 misc bladder cancer misc direct smear misc liquid-based cytology misc urine cytology misc Pathology
topic_unstemmed	misc RB1-214 misc bladder cancer misc direct smear misc liquid-based cytology misc urine cytology misc Pathology
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title	Direct Smear Versus Liquid-Based Cytology in the Diagnosis of Bladder Lesions
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title_full	Direct Smear Versus Liquid-Based Cytology in the Diagnosis of Bladder Lesions
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author_browse	Mahmoud Reza Kalantari Mohammad Ali Jahanshahi Masoumeh Gharib Sara Hashemi Shakiba Kalantari
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title_sort	direct smear versus liquid-based cytology in the diagnosis of bladder lesions
callnumber	RB1-214
title_auth	Direct Smear Versus Liquid-Based Cytology in the Diagnosis of Bladder Lesions
abstract	Background & Objective: Urine cytology is an important diagnostic method for urinary tract cancers (especially carcinomas), which is suitable for follow-up of residual urothelial tumors after surgery of malignant bladder tumors. In this study, for the first time, liquid-based cytology (LBC) was used in cervical cytology. Compared to direct smear cytology (DSC), LBC reduced background elements (including cellular debris, inflammatory cells, and blood cells), provided better cell preservation, and had a higher satisfaction rate. In this study, we performed two different methods (DSC and LBC) to detect bladder lesions; also, we determined the sensitivity and specificity of these methods.Methods: A total of 146 samples were taken from patients with suspected bladder cancer and processed for direct smear and LBC. In both methods, findings were reported according to the Paris System. Then, patients underwent cystoscopy and biopsy. Next, the accuracy of cytology methods was evaluated according to biopsy reports. The sensitivity and specificity of these methods were also calculated.Results: Credit indices obtained for the direct smear method included sensitivity (62.5%), specificity (89%), positive predictive value (89.5%), and negative predictive value (91.5%). For LBC methods, credit indices included sensitivity (85.7%), specificity (99%), positive predictive value (96%), and negative predictive value (96%). Agreement between the two methods was statistically significant (P<0.000) in negative biopsies but not in positive biopsies (P<0.05).Conclusion: This study showed that LBC has higher sensitivity and specificity than the direct smear.
abstractGer	Background & Objective: Urine cytology is an important diagnostic method for urinary tract cancers (especially carcinomas), which is suitable for follow-up of residual urothelial tumors after surgery of malignant bladder tumors. In this study, for the first time, liquid-based cytology (LBC) was used in cervical cytology. Compared to direct smear cytology (DSC), LBC reduced background elements (including cellular debris, inflammatory cells, and blood cells), provided better cell preservation, and had a higher satisfaction rate. In this study, we performed two different methods (DSC and LBC) to detect bladder lesions; also, we determined the sensitivity and specificity of these methods.Methods: A total of 146 samples were taken from patients with suspected bladder cancer and processed for direct smear and LBC. In both methods, findings were reported according to the Paris System. Then, patients underwent cystoscopy and biopsy. Next, the accuracy of cytology methods was evaluated according to biopsy reports. The sensitivity and specificity of these methods were also calculated.Results: Credit indices obtained for the direct smear method included sensitivity (62.5%), specificity (89%), positive predictive value (89.5%), and negative predictive value (91.5%). For LBC methods, credit indices included sensitivity (85.7%), specificity (99%), positive predictive value (96%), and negative predictive value (96%). Agreement between the two methods was statistically significant (P<0.000) in negative biopsies but not in positive biopsies (P<0.05).Conclusion: This study showed that LBC has higher sensitivity and specificity than the direct smear.
abstract_unstemmed	Background & Objective: Urine cytology is an important diagnostic method for urinary tract cancers (especially carcinomas), which is suitable for follow-up of residual urothelial tumors after surgery of malignant bladder tumors. In this study, for the first time, liquid-based cytology (LBC) was used in cervical cytology. Compared to direct smear cytology (DSC), LBC reduced background elements (including cellular debris, inflammatory cells, and blood cells), provided better cell preservation, and had a higher satisfaction rate. In this study, we performed two different methods (DSC and LBC) to detect bladder lesions; also, we determined the sensitivity and specificity of these methods.Methods: A total of 146 samples were taken from patients with suspected bladder cancer and processed for direct smear and LBC. In both methods, findings were reported according to the Paris System. Then, patients underwent cystoscopy and biopsy. Next, the accuracy of cytology methods was evaluated according to biopsy reports. The sensitivity and specificity of these methods were also calculated.Results: Credit indices obtained for the direct smear method included sensitivity (62.5%), specificity (89%), positive predictive value (89.5%), and negative predictive value (91.5%). For LBC methods, credit indices included sensitivity (85.7%), specificity (99%), positive predictive value (96%), and negative predictive value (96%). Agreement between the two methods was statistically significant (P<0.000) in negative biopsies but not in positive biopsies (P<0.05).Conclusion: This study showed that LBC has higher sensitivity and specificity than the direct smear.
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title_short	Direct Smear Versus Liquid-Based Cytology in the Diagnosis of Bladder Lesions
url	https://doi.org/10.30699/ijp.2021.528171.2646 https://doaj.org/article/5230c1c1492540c4a42984547cb701ec https://ijp.iranpath.org/article_247350_de9c73afadfda796b016a8a97ce59a03.pdf https://doaj.org/toc/1735-5303 https://doaj.org/toc/2345-3656
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author2	Mohammad Ali Jahanshahi Masoumeh Gharib Sara Hashemi Shakiba Kalantari
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up_date	2024-07-03T17:00:43.273Z
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The sensitivity and specificity of these methods were also calculated.Results: Credit indices obtained for the direct smear method included sensitivity (62.5%), specificity (89%), positive predictive value (89.5%), and negative predictive value (91.5%). For LBC methods, credit indices included sensitivity (85.7%), specificity (99%), positive predictive value (96%), and negative predictive value (96%). Agreement between the two methods was statistically significant (P<0.000) in negative biopsies but not in positive biopsies (P<0.05).Conclusion: This study showed that LBC has higher sensitivity and specificity than the direct smear.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">bladder cancer</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">direct smear</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">liquid-based cytology</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">urine cytology</subfield></datafield><datafield tag="653" ind1=" " ind2="0"><subfield code="a">Pathology</subfield></datafield><datafield tag="700" ind1="0" ind2=" "><subfield code="a">Mohammad Ali Jahanshahi</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="0" ind2=" "><subfield code="a">Masoumeh 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Direct Smear Versus Liquid-Based Cytology in the Diagnosis of Bladder Lesions

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