Welcome to our Foundation website. You may have just seen your first patient with Mixed Connective Tissue Disease, a rare autoimmune disease, and need a quick reference point. Provided below is a direct link to information on the disease at Up to Date and Merck Manual for professionals. Following that is a brief explanation on the difference between MCTD and UCTD if that is required.
MedicineNet MCTD vs UCTD