Hi, I have a lump on left side of neck. Been to Dr several times, I have not had time to mention lump. I initially concerned about feelings of torture! Crying, emotionally unstable, turning into diff person- worried getting early stages vasc dementia like Mum died a few yrs back. Dr sending me for bone density test. He said my levels from blood test-namely Parathyroid hormones very elevated. He told me I was almost ricketts for low Vit D so got me on Ostelin. I am worried now as found lump and read Signs & symptoms for parathyroidism fits. Insomnia, exhaustion, lump etc. Should I get referral to an experienced Endocrinologist or what you suggest pls? Thanks. Jane