Undifferentiated connective tissue disease UCTD

Lacey, J.V., et al., Petroleum distillate solvents as risk factors for undifferentiated connective tissue disease (UCTD), Am. J. Epidemiol., 149, 761, 1999. 

Undifferentiated connective tissue disease (UCTD) is a term used to describe conditions where people have symptoms and laboratory test results that resemble known musculoskeletal diseases such as SS and SSc, but do not have enough of the symptoms to meet the requirement for a well-defined diagnosis of a single disease. A study of patients with UCTD found statistically significant associations with exposures to paint thinners and paint removers.1311... 

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