Publications by authors named "Maxime Bonjour"

3 Publications

  • Page 1 of 1

The role and utility of population-based cancer registries in cervical cancer surveillance and control.

Prev Med 2021 Mar 4;144:106237. Epub 2021 Mar 4.

Cancer Surveillance Section, International Agency for Research on Cancer, Lyon, France.

Population-based cancer registries (PBCR) are vital to the assessment of the cancer burden and in monitoring and evaluating national progress in cervical cancer surveillance and control. Yet the level of their development in countries exhibiting the highest cervical cancer incidence rates is suboptimal, and requires considerable investment if they are to document the impact of WHO global initiative to eliminate cervical cancer as a public health problem. As a starting point we propose a comprehensive cancer surveillance framework, positioning PBCR in relation to other health information systems that are required across the cancer control continuum. The key concepts of PBCR are revisited and their role in providing a situation analysis of the scale and profile of the cancer-specific incidence and survival, and their evolution over time is illustrated with specific examples. Linking cervical cancer data to screening and immunization information systems enables the development of a comprehensive set of measures capable of assessing the short- and long-term achievements and impact of the initiative. Such data form the basis of national and global estimates of the cancer burden and permit comparisons across countries, facilitating decision-making or triggering cancer control action. The initiation and sustainable development of PBCR must be an early step in the scale-up of cervical cancer control activities as a means to ensure progress is successfully monitored and appraised.
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http://dx.doi.org/10.1016/j.ypmed.2020.106237DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7957339PMC
March 2021

Age- and Sex-Specific TSH Upper-Limit Reference Intervals in the General French Population: There Is a Need to Adjust Our Actual Practices.

J Clin Med 2020 Mar 14;9(3). Epub 2020 Mar 14.

Hospices Civils de Lyon, Fédération d'Endocrinologie, Groupement Hospitalier Est, F-69677 Bron cedex, France.

It is well known that thyroid dysfunction increases with age. This study is aimed to determine reference intervals, in males and females, suitable for thyroid disease exploration during adult life using routinely collected serum thyrotropin (TSH) data in a tertiary center from 2007 to 2018. Over 11 years, 295,775 TSH levels were measured in a single lab. Among the 156,025 TSH results available for analysis, 90,538 values were from female subjects, 82,019 were from patients aged >60 years and 26,825 were from patients aged >80 years. By using an indirect approach, we determined reference values of TSH adapted to age and sex, and we then evaluated the proportion of patients who would have been reclassified with these reference values. The median TSH ranged from 1.2-1.4 mUI/L during the study period. The upper limit of reference range of TSH increased with age; in females the median to 97.5th percentile values increased continuously from the age of 30 years to the oldest age group. Using new calculated reference values in patients with TSH above the conventional upper-limit reference value (4 mUI/L), the proportion of results reclassified as within the reference interval among patients aged >60 years ranged, according to age group, from 50.5% to 65.1% of females and from 33.0% to 37.7% of males. The use of TSH age-specific and sex-specific upper-limit reference values led to the reclassification of a great number of samples, notably among women. This suggests that age-specific TSH upper-limit reference intervals in daily practice should be used in order to avoid misclassification.
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http://dx.doi.org/10.3390/jcm9030792DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7141356PMC
March 2020

MRI monitoring of small and medium-sized vestibular schwannomas: predictors of growth.

Acta Otolaryngol 2020 May 12;140(5):361-365. Epub 2020 Feb 12.

Department of Otolaryngology and Otoneurosurgery, Centre Hospitalier Lyon Sud, Hospices Civils de Lyon, Claude Bernard University Lyon 1, Lyon, France.

Vestibular schwannomas are among the most common intracranial tumours. Their growth is difficult to predict. To study the evolution of small and medium-sized vestibular schwannomas (VSs) and identify factors predictive of growth. This was a retrospective longitudinal study at a tertiary referral centre from January 2011 to January 2018. The inclusion criteria were radiological diagnosis of sporadic unilateral VS of stage I or II. Radiological and clinical data were analysed descriptively and by multivariate logistic regression to identify factors predictive of growth. A total of 1105 cases were discussed in multidisciplinary meetings and 336 patients were included with a mean age of 57.8 years and a mean follow-up time of 24 months. Around two thirds of these patients (62.8%) had non-progressive tumours. Factors identified as predictive of VS growth were the size at diagnosis (OR = 2.622, 95% CI, 1.50-4.66;  = .001) and internal auditory canal filling (OR = 7.672; 95% CI, 4.52-13.43;  < .001). Monitoring is the primary treatment modality for small or medium-sized VSs. As reported here for the first time, internal auditory canal filling is significantly associated with VS growth.
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http://dx.doi.org/10.1080/00016489.2020.1717608DOI Listing
May 2020