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.
Causes. The exact cause of sarcoidosis is unknown. What is known is that when a person has the disease, tiny clumps of abnormal tissue (granulomas) form in certain organs of the body.