A 51-year-old female with systemic lupus erythematosus (SLE) was admitted in November 1987 because of general fatigue and muscular weakness. She was treated with prednisolone (PSL) 30 mg and azathioprine (AZP) 50 mg after failure in the management of thrombocytopenia by PSL 15 mg. She exhibited no splenomegaly. Muscular atrophy and weakness were seen in the proximal muscles. Her platelet count was 44,000/microliters. A bone marrow aspiration revealed an increase in megakaryocytes. The blood chemistry revealed a normal CPK level and an elevated LDH level, indicating a presence of steroid myopathy. A splenectomy was performed after an increase of platelet count by giving gamma-globulin 400 mg/kg for 5 days. The platelet count rose to 368,000/microliters on the 46th postoperative day. She was treated with PSL 5 mg and AZP 50 mg as postsplenectomy therapy. The splenectomy did not adversely affect other aspects of SLE, in particular, renal function. She had no major complications in the postoperative period. Her platelet count reached a plateau 4 months later and revealed 115,000/microliters 18 months postoperatively.
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