Lacrimal gland ultrasonography as an adjunct tool for Sjögren disease (SjD) diagnosis from undifferentiated connective tissue diseases
Objective Sjögren disease (SjD) is characterized by autoimmune lymphocytic infiltration of lacrimal and salivary glands, leading to dry eye and dry mouth. This study aimed to investigate the features and diagnostic value of lacrimal gland ultrasonography (LGUS) for distinguishin…