A Case Report of a Very Late
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A Case Report of a Very Late-Onset Systemic Lupus Erythematous
Authors:
Alice Breining, BS, Anne Sophie Carret-Rebillat, MD, Nathalie Costedoat-Chalumeau, MD,
PhD,
Gaelle Leroux, MD, Franois Piette, MD, and Pascal Chaibi, MD
Introduction
Late-onset systemic lupus erythematous (SLE) is most often a drug-induced SLE, and is
usually a benign form. Use of immunosuppressive drugs is rarely necessary. We report an
unusual case of a late-onset, drug-induced neuropsychiatric SLE (NPSLE).
Case Presentation
Mrs. R, an 80-year-old Caucasian woman, was hospitalized in 2006 for fever. Her familial
history included a sister who had SLE and a daughter who had Basedow disease and multiple
sclerosis. Her past medical history included a diagnosis of coronary heart disease in 2003,
which justified an angioplasty with the implementation of two stents and treatment with beta
blockers, statins, and platelet antiaggregants. In 2004, the patient had an autoimmune
hemolysis without anemia but with positive antinuclear antibody (ANA) (titer 1:320),
positive anti-DNA antibodies (titer 1:40), low haptoglobin, and highly positive direct
Coombs test.
For the 6 months prior to her 2006 hospitalization, Mrs. R had been experiencing a
progressive loss of autonomy associated with a cognitive dysfunction. She arrived at a
geriatric unit for a urinary tract infection with fever. On examination, she was confused and
showed an erythematosquamous eruption of the upper chest and cheeks associated with
alopecia. She had no arthritis, serositis, or kidney disease. After the pyelonephritis was
treated, the patient remained confused, which triggered further investigations.
Biochemistry showed a low sodium level (125 mEq/L) related to a syndrome of inappropriate
secretion of anti-diuretic hormone. Mrs. R had a lymphopenia (360/mm), a hemolysis
without anemia but with positive direct Coombs test, ANA (titer > 1:640 with a homogene
appearance), anti-DNA antibodies (Farr test > 50), anti-nucleosome antibodies, anti-
cardiolipin antibodies, and low complement levels. Anti-beta 2-glycoprotein 1 and anti-
histone antibodies were negative. Cerebrospinal fluid showed a sterile and acellular liquid.
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An electroencephalogram denoted a global deterioration evocating an encephalopathy,
associated with paroxystic comitiality. Finally, the magnetic resonance imaging (MRI) scan
did not reveal any acute vascular lesion. The cutaneous biopsy showed a direct
immunofluorescence compatible with a lupic band.
Based on the above, Mrs. R met 5 out of 11 SLE criteria from the American College of
Rheumatology1 (Table), namely: malar rash, neurological and hematological manifestations,
and positive ANA and anti-DNA antibodies. A diagnosis of NPSLE was made.
Electrolyte abnormalities were corrected without any influence on the confusion that became
even worse. Drugs that may cause SLE, that is beta blockers and statins, were stopped. She
was treated with a high oral dose of corticosteroids (prednisone 1 mg/kg/day), and
antiepileptic treatment (lamotrigine 75 mg/day).
Mrs. R was soon discharged from the acute geriatric unit and went to a convalescent home.
All clinical symptoms, except the cognitive dysfunction, and biological abnormalities rapidly
began to improve. The autoimmune antibodies decreased (Figure).
Mrs. R later presented with numerous complications of corticosteroids: urinary tract infection
with recurrence of coronary heart disease after 2 months of treatment, herpes simplex virus
pneumopathy and perforated ulcer with peritonitis after 3 months, and tuberculosis and
diabetes after 4 months. The dosage of prednisone was reduced gradually to 10 mg/day, and
hydroxychloroquine (400 mg/day) was introduced. After 8 months, her cognitive dysfunction
had improved, with a Mini-Mental State Examination score that increased from impracticable
to 25/30. At last follow-up 2 years later, the patient was doing well and was living at home.
Discussion
NPSLE in very old persons is difficult to diagnose unless suspected because it is generally
considered a disorder of youth and because of its clinical presentation, which is not specific.
A review of the literature reveals many cases of late-onset SLE, showing a wide range of
clinical manifestations.2-9 Occurrence of neurological manifestations in patients with late-
onset SLE varies from 4.8%10 to 90%,11 according to the studies. In elderly persons,
neuropsychiatric manifestations due to SLE are nonspecific.12 They include cognitive
dysfunction, cerebrovascular manifestations, and encephalopathy. Seizures and parkinsonism
have also been described.13 Polyradiculopathy, demyelinating syndrome, headache, cranial
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Leroux are from the Department of Internal Medicine 2, Piti-Salptrire Hospital, Paris,
France.
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