Found 1 Presentation For Request "rythmic"

Thoracic malignancies, other

1629P - Increased incidence of thymic epithelial tumors during COVID-19 pandemic: A retrospective analysis from the French RYTHMIC network

Presentation Number
1629P
Speakers
  • Jose Carlos Benitez (Villejuif, France)
Date
Sat, 10.09.2022

Abstract

Background

TETs are rare malignancies ranging from indolent thymoma (T) A to aggressive thymic carcinoma (TC). The incidence rate of TET ranges from 0.13 to 0.32 per 100 000 person/year, although limited data is available. Because of respiratory complications, patients with COVID-19 infection frequently had chest CT-scan, leading to a potential overdiagnosis of asymptomatic thoracic lesion, including TET. Here, we report the incidence rate of TET by year during first decade of the French RYTHMIC network.

Methods

RYTHMIC is a French network for TETs composed of national and regional expert centers, with the objective of systematic discussion of patient’s management at a single national tumor board, based on consensual guidelines. We conducted a retrospective analysis of patients from RYTHMIC between January 2012 and April 2022. Data were prospectively collected in the registry. We aimed to assess clinic-pathological and epidemiological characteristics of TETs in RYTHMIC cohort.

Results

3667 pts were included in the analysis. The median age at diagnosis was 63.5 (range 9-91). 15% (n=552) of AIDs, mainly myasthenia Gravis (n=411, 74.4%). T B2 was the most frequent (n=540, 14.7%) followed by AB (10.7%), B3 (6.7%), TC (6.6%), B1 (6.3%) and, A (4%). Most of the pts were diagnosed encapsulated (MK I, n=358) or with invasion of the capsule (MK IIa and IIb, n= 308 and 272, respectively). The prevalence of TETs in France based on RYTHMIC nationwide registry was 0.0054% at 30th of March 2022 cut-off. Incidence is shown in the table. In 2020, incidence x 100 000 person/year was 0.97.

Year New patients (N) France population (M) Increase of population in France Incidence x 100.000 inhabitants Increase incidence in RYTHMIC
2012 173 65,24 - 0,26 -
2013 179 65,56 0,32 0,27 0,01
2014 260 65,9 0,34 0,39 0,12
2015 320 66,42 0,52 0,48 0,09
2016 421 66,6 0,18 0,63 0,15
2017 304 66,77 0,17 0,45 -0,18
2018 358 66,99 0,22 0,53 0,08
2019 388 67,13 0,14 0,57 0,04
2020 654 67,45 0,32 0,97 0,4
2021 338 67,62 0,17 0,49 -0,48

Conclusions

Incidence of TETs in our network is higher than previously reported. In 2020, we observed a pic in the incidence (170% compared to the average rate), potentially due to the COVID induced CT-scans.

Legal entity responsible for the study

RYTHMIC French network.

Funding

Has not received any funding.

Disclosure

All authors have declared no conflicts of interest.

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