Comparison of the prevalence of incidental and non-incidental papillary thyroid microcarcinoma during 2008–2016: a single-center experience

Abstract Background The incidence of papillary thyroid microcarcinoma (PTMC) is increasing; however, it is not clear whether this reflects an increase in the incidence of incidental or in that of non-incidentally (presurgically) discovered PTMC (IPTMC vs. NIPTMC). We assessed the incidence of IPTMC...

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Main Authors: Krzysztof Kaliszewski, Agnieszka Zubkiewicz-Kucharska, Paweł Kiełb, Jerzy Maksymowicz, Aleksander Krawczyk, Otto Krawiec
Format: Article
Language:English
Published: BMC 2018-10-01
Series:World Journal of Surgical Oncology
Subjects:
Online Access:http://link.springer.com/article/10.1186/s12957-018-1501-8
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author Krzysztof Kaliszewski
Agnieszka Zubkiewicz-Kucharska
Paweł Kiełb
Jerzy Maksymowicz
Aleksander Krawczyk
Otto Krawiec
author_facet Krzysztof Kaliszewski
Agnieszka Zubkiewicz-Kucharska
Paweł Kiełb
Jerzy Maksymowicz
Aleksander Krawczyk
Otto Krawiec
author_sort Krzysztof Kaliszewski
collection DOAJ
description Abstract Background The incidence of papillary thyroid microcarcinoma (PTMC) is increasing; however, it is not clear whether this reflects an increase in the incidence of incidental or in that of non-incidentally (presurgically) discovered PTMC (IPTMC vs. NIPTMC). We assessed the incidence of IPTMC and NIPTMC over the past 9 years, to discern whether the increase in PTMC incidence is due to improved diagnostics or to a real increase in the incidence. Methods We performed a retrospective chart review of 4327 patients who were consecutively admitted to and surgically treated for thyroid pathology at a single institution. As a main presurgical diagnostic test, all patients underwent ultrasound-guided fine-needle aspiration biopsy (UG-FNAB). The analyzed time frame was divided into three equal periods (I: 2008–2010, II: 2011–2013, III: 2014–2016), and IPTMCs and NIPTMCs were assessed and compared in each period. Results We evaluated 393 (9.08%) patients with thyroid malignancy, of which 156 (3.60% of all thyroid tumors [TTs]; 39.69% of all thyroid cancers [TCs]) were diagnosed as PTMC. The prevalence of NIPTMC among all TCs increased from 16.66% in 2008 to 33.75% in 2016, while that of IPTMC decreased from 20.83% in 2008 to 13.75% in 2016. The incidence rates of NIPTMC and IPTMC in period III differed statistically significantly (p < 0.0001). The prevalence rate of NIPTMC in period III was higher than that in period II, yet comparable to that in period I (p = 0.0014; p = 0.2804, respectively). Conclusions The prevalence of NIPTMC, rather than that of IPTMC, is escalating; this may be due to better presurgical diagnosis.
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spelling doaj.art-7d17248cb960420eba14c68c37436d702022-12-22T02:03:39ZengBMCWorld Journal of Surgical Oncology1477-78192018-10-011611610.1186/s12957-018-1501-8Comparison of the prevalence of incidental and non-incidental papillary thyroid microcarcinoma during 2008–2016: a single-center experienceKrzysztof Kaliszewski0Agnieszka Zubkiewicz-Kucharska1Paweł Kiełb2Jerzy Maksymowicz3Aleksander Krawczyk4Otto Krawiec5First Department and Clinic of General, Gastroenterological, and Endocrine Surgery, Wroclaw Medical UniversityDepartment of Endocrinology and Diabetology for Children and Adolescents, Wroclaw Medical UniversityFirst Department and Clinic of General, Gastroenterological, and Endocrine Surgery, Wroclaw Medical UniversityFirst Department and Clinic of General, Gastroenterological, and Endocrine Surgery, Wroclaw Medical UniversityFirst Department and Clinic of General, Gastroenterological, and Endocrine Surgery, Wroclaw Medical UniversityFirst Department and Clinic of General, Gastroenterological, and Endocrine Surgery, Wroclaw Medical UniversityAbstract Background The incidence of papillary thyroid microcarcinoma (PTMC) is increasing; however, it is not clear whether this reflects an increase in the incidence of incidental or in that of non-incidentally (presurgically) discovered PTMC (IPTMC vs. NIPTMC). We assessed the incidence of IPTMC and NIPTMC over the past 9 years, to discern whether the increase in PTMC incidence is due to improved diagnostics or to a real increase in the incidence. Methods We performed a retrospective chart review of 4327 patients who were consecutively admitted to and surgically treated for thyroid pathology at a single institution. As a main presurgical diagnostic test, all patients underwent ultrasound-guided fine-needle aspiration biopsy (UG-FNAB). The analyzed time frame was divided into three equal periods (I: 2008–2010, II: 2011–2013, III: 2014–2016), and IPTMCs and NIPTMCs were assessed and compared in each period. Results We evaluated 393 (9.08%) patients with thyroid malignancy, of which 156 (3.60% of all thyroid tumors [TTs]; 39.69% of all thyroid cancers [TCs]) were diagnosed as PTMC. The prevalence of NIPTMC among all TCs increased from 16.66% in 2008 to 33.75% in 2016, while that of IPTMC decreased from 20.83% in 2008 to 13.75% in 2016. The incidence rates of NIPTMC and IPTMC in period III differed statistically significantly (p < 0.0001). The prevalence rate of NIPTMC in period III was higher than that in period II, yet comparable to that in period I (p = 0.0014; p = 0.2804, respectively). Conclusions The prevalence of NIPTMC, rather than that of IPTMC, is escalating; this may be due to better presurgical diagnosis.http://link.springer.com/article/10.1186/s12957-018-1501-8IncidentalNon-incidentalPapillary thyroid microcarcinoma
spellingShingle Krzysztof Kaliszewski
Agnieszka Zubkiewicz-Kucharska
Paweł Kiełb
Jerzy Maksymowicz
Aleksander Krawczyk
Otto Krawiec
Comparison of the prevalence of incidental and non-incidental papillary thyroid microcarcinoma during 2008–2016: a single-center experience
World Journal of Surgical Oncology
Incidental
Non-incidental
Papillary thyroid microcarcinoma
title Comparison of the prevalence of incidental and non-incidental papillary thyroid microcarcinoma during 2008–2016: a single-center experience
title_full Comparison of the prevalence of incidental and non-incidental papillary thyroid microcarcinoma during 2008–2016: a single-center experience
title_fullStr Comparison of the prevalence of incidental and non-incidental papillary thyroid microcarcinoma during 2008–2016: a single-center experience
title_full_unstemmed Comparison of the prevalence of incidental and non-incidental papillary thyroid microcarcinoma during 2008–2016: a single-center experience
title_short Comparison of the prevalence of incidental and non-incidental papillary thyroid microcarcinoma during 2008–2016: a single-center experience
title_sort comparison of the prevalence of incidental and non incidental papillary thyroid microcarcinoma during 2008 2016 a single center experience
topic Incidental
Non-incidental
Papillary thyroid microcarcinoma
url http://link.springer.com/article/10.1186/s12957-018-1501-8
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