The incidence, demographic data, and organ involvement in our RPC patients were similar to previous studies. The diagnosis of RPC was determined primarily on physical examination and symptom-driven diagnostic testing. There was no notable pattern by rheumatologists for monitoring the progression of tracheobronchial tree or large vessel involvement. Interpreting flow volume loops is recommended with pulmonary function testing to detect early laryngotracheal involvement. Computed tomography of the chest is also recommended to monitor for vascular and tracheobronchial tree involvement.
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