The online version of this article (doi:10.1186/1477-7819-10-236) contains supplementary material, which is available to authorized users.
The authors declare that they have no competing interests.
ET acquired and analysed data and drafted the manuscript. MB, CV, AG, OC, PV partyicipated to the acquisition of data. OC helped to draft the manuscript. AM supervised this case report, participated in the acquisition of data and helped to draft the manuscript. All authors read and approved the final manuscript.
Lung carcinoid tumor and low grade glioma are two uncommon malignancies.
We report the case of 24-year-old man who presented with respiratory disease. Imaging investigations showed a right lung tumor and histological analysis confirmed a typical carcinoid tumor. As part of initial staging, brain MRI revealed an asymptomatic right frontal lesion. First, a right pulmonary lobectomy was performed without adjuvant treatment. In second time, brain tumorectomy was performed. Histological examination confirmed the diagnosis of low grade glioma (LGG). The patient remained in complete remission 2.5 years after the initial diagnosis.
This is the first case reporting the association between LGG and lung carcinoid tumor, while no association between LGG and a systemic tumor have been published to date. Association of lung carcinoid tumor with other malignant diseases has been reported but remained uncommon. Only minimal data support a potential molecular common origin.
This exceptional association may be fortuitous. However, their concomitant diagnoses suggest a potential association between both rare diseases. A genetic susceptibility remains possible.
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