title: Ankylosing spondylitis presenting as juxta-articular masses in females.
abstract: Juxta-articular inflammatory masses, sternomanubrial or sternoclavicular, were noted in two women who were subsequently found to have ankylosing spondylitis. The differential diagnosis of juxta-articular masses should include systemic rheumatic disorders as well as tumor or infection.
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008875:Middle Aged; D011859:Radiography; D013167:Spondylitis, Ankylosing / Q000000981:diagnostic imaging*; D013247:Sternoclavicular Joint / Q000000981:diagnostic imaging*