Idiopathic conditions, such as inflammatory pseudotumor, Kimura's disease, and Castleman's disease, can also present with a neck mass.22 â 24 A neck mass may also be the presenting symptom of sarcoidosis.25
Many people with sarcoidosis don't have type 1 diabetes as well, so it is unlikely that sarcoidosis caused it all alone. Most people who are going to manifest type 1 diabetes are diagnosed in childhood or their teenage years. Occasionally it will not manifest until adulthood.
The close resemblance to tuberculosis has led to speculation that sarcoidosis is due to an infectious organism. It is the formation of granulomas and the resulting tissue damage caused by the cells within these granulomas that cause the symptoms of sarcoidosis.