open access

Vol 61, No 5 (2010)
Original papers
Published online: 2010-11-04
Submitted: 2013-02-15
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Has differentiated thyroid cancer (DTC) staging changed with in the last ten years in the Silesia region of Poland?

Barbara Michalik, Jadwiga Kern-Bałata, Aleksandra Kukulska, Jolanta Krajewska, Michał Kalemba, Dariusz Lange, Barbara Włodarczyk-Marciniec, Agnieszka Czarniecka, Aleksander Sacher, Jan Włoch, Brunon Zemła
Endokrynologia Polska 2010;61(5):480-484.

open access

Vol 61, No 5 (2010)
Original papers
Published online: 2010-11-04
Submitted: 2013-02-15

Abstract


Introduction: The aim of the study was to compare the advancement of thyroid cancer at diagnosis in Polish patients from the Silesian district in the years 1999 and 2008.
Material and methods: The analyzed group consisted of Silesian district patients with thyroid cancer, who were registered by the Department of Tumour Epidemiology of the Institute of Oncology in Gliwice in the years 1999 and 2008. From a group of 186 patients who entered on record in 1999, 167 were qualified for this analysis. Similarly, from 238 patients registered in 2008, finally 226 were added. We analyzed: sex, age at diagnosis, histotype of thyroid cancer, and DTC staging according to TNM (UICC 2002). In 1999 there were 137 females (82.04 %) and 30 males (17.93%) with thyroid cancer diagnosed at ages 5-81 years. In 2008 there were 183 females (80.97%) and 43 males (19.03%) diagnosed at ages 14-80 years. In both groups, in 1999 and 2008, the median age was the same (51 years).
Results: In the year 1999, 119 (71%) and in 2008, 197 (87%) patients were diagnosed with papillary thyroid cancer (p = 0.0003). Relations between age and sex were similar in these years. There was some increase in frequency of patients diagnosed with papillary microcancer (pT1a), which was on the border of statistical significance (p = 0.05). A statistically significant increase of pT1 (p = 0.02) and decrease of pT4 (p = 0.001) and of pTx (p = 0.002) was observed in the year 2008 in the whole cohort of DTC patients.
Conclusions:
1. In 2008 the contribution of papillary histotype to all thyroid cancer patients (87%) was significantly higher than in 1999.
2. The percentage of DTC patients diagnosed with pT1 disease was significantly higher in 2008.
(Pol J Endocrinol 2010; 61 (5): 480-484)

Abstract


Introduction: The aim of the study was to compare the advancement of thyroid cancer at diagnosis in Polish patients from the Silesian district in the years 1999 and 2008.
Material and methods: The analyzed group consisted of Silesian district patients with thyroid cancer, who were registered by the Department of Tumour Epidemiology of the Institute of Oncology in Gliwice in the years 1999 and 2008. From a group of 186 patients who entered on record in 1999, 167 were qualified for this analysis. Similarly, from 238 patients registered in 2008, finally 226 were added. We analyzed: sex, age at diagnosis, histotype of thyroid cancer, and DTC staging according to TNM (UICC 2002). In 1999 there were 137 females (82.04 %) and 30 males (17.93%) with thyroid cancer diagnosed at ages 5-81 years. In 2008 there were 183 females (80.97%) and 43 males (19.03%) diagnosed at ages 14-80 years. In both groups, in 1999 and 2008, the median age was the same (51 years).
Results: In the year 1999, 119 (71%) and in 2008, 197 (87%) patients were diagnosed with papillary thyroid cancer (p = 0.0003). Relations between age and sex were similar in these years. There was some increase in frequency of patients diagnosed with papillary microcancer (pT1a), which was on the border of statistical significance (p = 0.05). A statistically significant increase of pT1 (p = 0.02) and decrease of pT4 (p = 0.001) and of pTx (p = 0.002) was observed in the year 2008 in the whole cohort of DTC patients.
Conclusions:
1. In 2008 the contribution of papillary histotype to all thyroid cancer patients (87%) was significantly higher than in 1999.
2. The percentage of DTC patients diagnosed with pT1 disease was significantly higher in 2008.
(Pol J Endocrinol 2010; 61 (5): 480-484)
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Keywords

differentiated thyroid cancer; staging; incidence

About this article
Title

Has differentiated thyroid cancer (DTC) staging changed with in the last ten years in the Silesia region of Poland?

Journal

Endokrynologia Polska

Issue

Vol 61, No 5 (2010)

Pages

480-484

Published online

2010-11-04

Bibliographic record

Endokrynologia Polska 2010;61(5):480-484.

Keywords

differentiated thyroid cancer
staging
incidence

Authors

Barbara Michalik
Jadwiga Kern-Bałata
Aleksandra Kukulska
Jolanta Krajewska
Michał Kalemba
Dariusz Lange
Barbara Włodarczyk-Marciniec
Agnieszka Czarniecka
Aleksander Sacher
Jan Włoch
Brunon Zemła

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