A member asked:

What is undifferentiated connective tissue disease?

3 doctors weighed in across 2 answers

Type not clear: Undifferentiated connective-tissue disease (uctd) is a diagnosis applied to signs and symptoms that are consistent with a connective-tissue disease (ctd) but that do not fulfill the classification or diagnostic criteria for any one of the defined ctds such as (rheumatoid arthritis, lupus, etc..).

Answered 12/9/2013

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Combination: Combination of symptoms shared by multiple connective tissue diseases (e.g., lupus, scleroderma, polymyositis), but insufficient to categorize it as a specific one.

Answered 3/24/2018

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