The first description of these diseases dates back to 1980, when LeRoy proposed the term "Undifferentiated Connective Tissue Syndromes" (UCTS) to define the early phases of connective tissue ...

I was diagnosed with something called undifferentiated connective tissue disease, or UCTD. This means that I was exhibiting symptoms of and had the blood work to prove a connective-tissue disease ...

My blood work from two separate doctors over the course of two years discovered two positive ANA tests on two separate occasions, but I was diagnosed as clinically depressed with undifferentiated ...

The authors have no relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed ...

Using glucocorticoids, rituzimab, or certain immunosuppressants to treat connective tissue diseases is associated with greater risks for severe COVID-19-related outcomes.