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Neonatal lupus erythematosus (NLE) is characterized by transient, annular cutaneous lesions, congenital heart block, and a variety of systemic or hematologic abnormalities. We describe a white infant girl with onset of skin lesions on the face and scalp at 4 days of age. At age 4 weeks she had generalized, erythematous, scaly, annular skin lesions that underwent spontaneous regression at age 5 months. Her mother had no cutaneous or other lesions, but complement examinations revealed the presence of anti-Ro(SSA) and anti-La(SSB) antibodies, and absence of anti-Sm and anti-RNP antibodies. Karyotyping revealed Turner syndrome (TS) with 45,XO sex chromosome constitution. Ro(SSA) and La(SSB) antibodies were found, and direct immunofluorescence testing on healthy skin was positive. At age 5 months, follow-up immunologic examination of the infant had normal results but the mother still had anti-Ro(SSA) and anti-La(SSB) antibodies. We believe that this is the first reported case of NLE in association with TS.