]> 2026-07-31T09:41:03+00:00 WBR0752 0 en Conjunctival redness Manifestations of reactive arthritis are summarized by the classic triad of conjunctivitis, urethritis, and arthritis. Systolic ejection murmur Aortic stenosis is not common among patients with reactive arthritis. However, ankylosing spondylitis, also a seronegative spondyloarthropathy, is associated with aortic regurgitation. Facial rash that spares the nasolabial folds Malar rash is characteristic of systemic lupus erythematosus. Violaceous eruption on the upper eyelids Heliotrope rash is characteristic of dermatomyositis. Excoriated papules on the dorsum of the hands Skin excoriation is not associated with reactive arthritis. Pathology A 27-year-old man with no past medical history presents to the physician's office for recurrent left knee pain. The patient explains that he has recently received antibiotics to treat a urethral infection 2 weeks ago. He reports his knee pain does not involve his right knee and is moderately relieved with administration of naproxen. Work-up is remarkable for elevated concentration of C-reactive protein (CRP) and a markedly elevated HLA-B27 surface antigen. Which of the following findings on physical examination is most associated with this patient's condition? A Musculoskeletal/Rheumatology 2020-10-28T01:35:08Z 2459150.5660648 WBR0752