title: Painful, swollen calf in a patient with SLE.
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007866:Leg; D008180:Lupus Erythematosus, Systemic / Q000150:complications*; D010146:Pain / Q000209:etiology*; D011151:Popliteal Cyst / Q000150:complications* / Q000175:diagnosis; D012422:Rupture, Spontaneous; D013581:Synovial Cyst / Q000150:complications*; D013924:Thrombophlebitis / Q000175:diagnosis