A time trend analysis of papillary and follicular cancers as a function of tumour size: A study of data from six cancer registries in France (1983–2000)

Colonna, Marc; Guizard, A.V.; Schvartz, Claire; Velten, Michel; Raverdy, N.; Molinié, F.; Delafosse, Patricia; Franc, B.; Grosclaude, Pascale

doi:10.1016/j.ejca.2006.11.024

Cited by 139 publications

(85 citation statements)

References 26 publications

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“…Contrary, the follicular carcinoma was more frequent in our study (39.1%) compared to that observed in most studies which reported a frequency comprised between 8-15% (Colonna et al, 2007). The high frequency of this form of thyroid cancers in our study, confirms the known relationship between thyroid cancers and endemic goiter, the point of considering the impact of thyroid cancers as a regional indicator of endemic goiter (Hahn et al, 2001;Colonna et al, 2007). We did not find any study which clearly identifies regions of iodine deficiency in Togo.…”

Section: Discussioncontrasting

confidence: 56%

Descriptive Epidemiology of Thyroid Cancers in Togo

Darré

Amana²,

Pegbessou³

et al. 2015

Asian Pacific Journal of Cancer Prevention

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Background: The purpose of this study was to provide epidemiological and histological data of thyroid cancers in Togo. Materials and Methods: This was a retrospective cross-sectional study of cases of thyroid cancers diagnosed from 2000 to 2014 (15 years) at the pathology laboratory of the Sylvanus Olympio Teaching Hospital of Lomé. All cases of review of a thyroid sample (biopsies, surgical specimens) were collected from the data records of that laboratory. Results: Thyroid cancers represented 1.1% (7930cases) of all cancers registered during the study period. Mean age was 45.4±0.3 years and the proportion of females was 78.3%. We identified 92.4% carcinomas and 7.6% lymphomas. Carcinomas were well differentiated in 80 cases and were dominated by the papillary type (47 cases). Metastasis was observed in 13% of patients. The pTNM classification evaluated in 18 cases showed a predominance of grade I (13 cases). Lymphomas were dominated by lymphoma diffuse large B-cell (5 cases). Conclusions: This study is the first global standard for thyroid cancer pathology in Togo. The high frequency of follicular form suggests an unrecognized iodine deficiency. The improvement of the technical platform of the LAP (immunohistochemistry) will increase the diagnosis of rare forms of thyroid cancer.

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Section: Discussioncontrasting

confidence: 56%

Descriptive Epidemiology of Thyroid Cancers in Togo

Darré

Amana²,

Pegbessou³

et al. 2015

Asian Pacific Journal of Cancer Prevention

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“…Increased diagnostic activity leading to an increased incidence of small cancers has been advocated as one of the possible causes of this epidemiological observation (10,14). Incidental cancers detected in surgical specimens have recently been reported to represent a third of all cancers (6).…”

Section: Discussionmentioning

confidence: 99%

“…Increasing incidence in thyroid cancer has been reported in various countries (10)(11)(12)(13)(14)(15). Increased diagnostic activity leading to an increased incidence of small cancers has been advocated as one of the possible causes of this epidemiological observation (10,14).…”

Section: Discussionmentioning

confidence: 99%

Geographical correlation between incidence of benign disease and that of cancer of the thyroid among the population of the Rhône-Alpes région of France

Sassolas

Hafdi-Nejjari²,

Schott³

et al. 2010

European Journal of Endocrinology

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Objective: To analyze, at a population level, the relation between the incidences of benign thyroid diseases in patients submitted to surgery and that of thyroid cancers based on their respective geographical distributions. Methods: The study included 3169 cases (691 cancers and 2478 benign diseases) operated on in 2002 in the Rhône-Alpes région, which is subdivided into eight départements and 311 cantons. Results: The total thyroid intervention rate was 54.6/100 000 (23.4 and 86.4), and the annual cancer incidence was 11.9/100 000 (4.7 and 13.8) for men and women respectively. The prevalence of cancer among thyroid surgery was 21.8% and that of cancer discovered in goiters increased with age (44% at 60 years). Intervention rates varied from départment to département. In women, the incidence of microcancers was correlated to the thyroid intervention for benign pathologies rate. In men, the incidence of supracentimetric cancers was related to the TIBR. At the canton level, the relative risk of benign diseases was correlated to that of cancers. TIBR and incidence of cancers were higher in urban cantons than in nonurban ones. The density of endocrinologists influenced the prevalence of cancers among all the cases submitted to surgery. Conclusion: In the Rhône-Alpes population with high rates of thyroid cancer incidence and of thyroid surgery, a number of correlations were found according to gender and tumor size. However, the general incidence of cancer was not directly related to surgical activity. Geographical variability may be related to the heterogeneous medical and pathological practices.

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“…Depuis, aucune augmentation de l'incidence du cancer de la thyroïde liée à cette contamination n'a été décelée [12]. L'augmentation de l'incidence du cancer de la thyroïde observée dans la plupart des pays industrialisés, dont la France [13], depuis les années 1970 est attribuée essentiellement à un meilleur dépistage des petits cancers de la thyroïde par échographie, cytoponction et une meilleure pratique médicale, ainsi que, probablement, à d'autres facteurs tels qu'une augmentation de la fréquence de l'obésité [14]. En effet, la majorité des petits cancers de la thyroïde peuvent rester méconnus sans progresser, et ne sont découverts que lorsqu'ils sont recherchés.…”

Section: Incidence De L'accident Sur Les Cancers Thyroïdiens En Pologunclassified

“…Dans la plupart des pays occidentaux, on assiste depuis le début des années 1970 à une augmentation du nombre de cancers de la thyroïde diagnostiqués, liée essentiellement à un meilleur dépistage [13]. L'accident de Tchernobyl étant survenu à une période ou l'incidence était en augmentation, un rapprochement a été fait, bien que les doses d'irradiation reçues par la thyroïde aient été faibles en dehors des régions fortement contaminées de Biélorussie, d'Ukraine et de Russie.…”

Section: Comment Distinguer Une Tumeur Radio-induite D'une Tumeur Spounclassified

Accident de centrale nucléaire et risque de cancer de la thyroïde

Schlumberger

Guen

2012

Med Sci (Paris)

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A time trend analysis of papillary and follicular cancers as a function of tumour size: A study of data from six cancer registries in France (1983–2000)

Cited by 139 publications

References 26 publications

Descriptive Epidemiology of Thyroid Cancers in Togo

Descriptive Epidemiology of Thyroid Cancers in Togo

Geographical correlation between incidence of benign disease and that of cancer of the thyroid among the population of the Rhône-Alpes région of France

Accident de centrale nucléaire et risque de cancer de la thyroïde

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