In a patient with longstanding Sjogren’s disease (+SSA/SSB and RF with polyclonal hypergammaglobulinemia) who develops new asymmetric parotid fullness what is your preferred initial imaging modality to further evaluate?

I would usually start with ultrasound in this case, specifically looking for signs of lymphoma, and let the results guide any further workup necessary. I have often seen benign parotid swelling in these patients, but an asymmetric presentation such as this requires further workup and potentially bio...