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.
Sarcoidosis is a chronic disease of unknown cause which affects mainly the lungs, liver, lymph glands and salivary glands. Small nodules or granulomas form in these areas, often damaging them. It is not cancerous or malignant.