“…The incidence of sarcoidosis is 6 out of 100,000 persons, and CDI is 1 out of 25,000 persons (1,12), indicating the case of incidental development of both disorder is rare. In the cases of CDI due to sarcoidosis, the severity of pulmonary lesion tends to be mild (7). Taken together, although we have not performed pituitary biopsy, we considered that her CDI was due to CNS sarcoidosis.…”