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A new interesting article has been published in Respir Med Case Rep. 2019 Jul 10;28:100906. doi: 10.1016/j.rmcr.2019.100906. eCollection 2019. Case Reports and titled:

Sarcoidosis in a patient clinically diagnosed with silicosis; is silica associated sarcoidosis a new phenotype?

Authors of this article are:

Beijer E, Meek B, Kromhout H, van Es HW, Seldenrijk K, Drent M, Rooijackers JM, Veltkamp M.

A summary of the article is shown below:

A diagnosis of silicosis is made on the basis of exposure and typical radiological findings, according to the ILO’s International Classification of Radiographs of Pneumoconiosis. Radiological patterns of silicosis can, however, resemble sarcoidosis. Sarcoidosis is a multi-systemic disorder of unknown etiology, although a role for initiating inorganic triggers such as metals or silica has been suggested. In this case report, we illustrate a patient previously diagnosed with silicosis based on exposure and radiological features, progressive under immunosuppressive treatment. In view of these findings, an open lung biopsy was performed and revealed sarcoidosis. The patient was effectively treated with infliximab. Further analysis showed the presence of silica in the granulomas. Sensitization to silica was also demonstrated, suggesting an association between silica exposure and sarcoidosis in this patient.

Check out the article’s website on Pubmed for more information:

[link-preview url=https://www.ncbi.nlm.nih.gov/pubmed/31341766 forceshot=true]

This article is a good source of information and a good way to become familiar with topics such as: 18 F-FDG PET/CT, 18F-fluorodeoxyglucose by positron emission tomography/computed tomography;CBD, Chronic beryllium disease;DLCO, diffusing capacity of the lung for carbon monoxide;EDXA, Energy-dispersive X-ray spectroscopy analysis;FVC, Forced Vital Capacity;HRCT, High-resolution computed tomography;Infliximab;LPT, Lymphocyte proliferation test;Sarcoidosis;Sarcoidosis phenotypes;Silica;Silicosis.

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