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 of Type 2 diabetes may include these medical conditions: Metabolic syndrome - a syndrome with 4 key features (diabetes, hypertension, obesity/overweight, and high cholesterol). Hemochromatosis - iron overload causes pancreas damage that can mimic Type 1 or Type 2 diabetes.