A 74‐year‐old man with silicosis was admitted to the hospital because of prolonged fever. After referral to internal medicine for persistent fever and renal dysfunction, workup revealed antineutrophil cytoplasmic antibodies (ANCA) positivity. He was ...

In conclusion, with respect to work‐related disease and potential compensation, it is essential to recognize silica exposure as a risk factor for developing AAV such as MPA. Our case emphasizes the importance of primary physicians identifying this relationship in addition to taking a thorough occupational history.