Published: 7 August 2017
Author(s): Michael D. Schweitzer, Oriana Salamo, Gregory Holt, Elio Donna, Mehdi Mirsaeidi
Issue: August 2017
Section: Letter to the Editor

Sarcoidosis is a systemic inflammatory disease involving the lungs in over 90% of cases. The pathogenesis of sarcoidosis is believed to result from a cellular immune reaction from exposure to environmental, occupational or even infectious elements that lead to the formation of non-caseating granulomas [1,2]. Non-caseating granulomas are also present in cancer [3], and evaluation of a Danish sarcoidosis registry showed a higher than estimated incidence of malignancy in sarcoidosis subjects [4]. Subsequent studies have also described the appearance of sarcoidosis following a cancer diagnosis [3,5].

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