A 34-year-old woman with stable systemic lupus erythematosus (SLE) tre
ated with low-dose prednisone and hydroxychloroquine developed multipl
e bilateral pulmonary nodules. Open lung biopsy documented lymphocytic
interstitial pneumonitis (LIP). LIP should be considered in the diffe
rential diagnosis of nodular pulmonary lesions in patients with SLE.