History of the present illness. A 25-year-old woman was diagnosed with systemic lupus erythematosus (SLE) 2 years prior to admission, after she presented with fever, malaise, lymphadenopathy, arthritis, myalgias, malar rash, and positive serologies for antinuclear antibody (ANA) and anti–double-stranded DNA (anti-dsDNA). Additional serology tests were negative for anti-Ro/SSA, anti-La/SSB, RNP, and Sm antibodies, as well as antiphospholipid antibodies (aPL). She was treated with intermittent courses of glucocorticoids (GC) for disease flares. Eight months before admission, she had a severe flare that manifested with high fevers, weight loss, delirium, spastic bladder, and non-nephrotic proteinuria. She was ultimately diagnosed with gray matter transverse myelitis of the conus medullaris and lupus nephritis. She was treated aggressively with pulse GC and intravenous (IV) cyclophosphamide (CYC), which led to resolution of all symptoms. After completion of a 6-month course of IV CYC, she was maintained on 20 mg of prednisone. One month prior to admission, she was admitted to another hospital with leftsided pleurisy, dyspnea, and high fever. A chest computed tomography (CT) scan excluded pulmonary embolism, but showed bilateral lung lower lobe consolidations with pleural effusions (left larger than right) and a small fluid collection adjacent to her spleen. Her blood cultures grew Salmonella. Her symptoms improved with cefepime and high-dose GC, and she was discharged home 2 weeks later on 60 mg of daily prednisone and oral levofloxacin for a total of 3 weeks of antibiotics. In addition, she was discharged on trimethoprim/sulfamethoxazole (TMP/SMX) 160/800 mg 3 times weekly for Pneumocystis jiroveci pneumonia (PCP) prophylaxis. One week before her current admission, she was started on 1,000 mg of mycophenolate mofetil (MMF) daily. She then presented to our hospital with acute left-sided pleuritic chest pain, dyspnea, and arthralgias. She did not have fever or cough.
Read full abstract