Defining Clinical Subgroups in Relapsing Polychondritis: A Prospective Observational Cohort Study.
Marcela A FerradaCasey A RimlandKaitlin QuinnKeith SikoraJeff KimClint AllenArlene SirajuddinWendy GoodspeedMarcus ChenPeter C GraysonPublished in: Arthritis & rheumatology (Hoboken, N.J.) (2020)
Our findings indicate that there are 3 subgroups of patients with RP, with differences in time to diagnosis, clinical and radiologic characteristics, and disease-related complications. Recognizing a broader spectrum of clinical patterns in RP, beyond cartilaginous involvement of the ear and upper airway, may facilitate more timely diagnosis.