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.
It's an inflammatory lung disease. The cause of this inflammation is not known, but it almost always affects the lungs first. Ninety percent of the patients have lung involvement, but sarcoidosis can affect any organ in the body--lungs, skin, eyes, heart, brain, bones.