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PubMed1994

[A case of systemic lupus erythematosus presenting with myelofibrosis as a cause of pancytopenia].

A 54 year-old woman who had a 6 month history of polyarthralgias, oral ulcers, weight loss and fatigue was admitted to the Urawa Municipal Hospital. She developed high fever, dyspnea and thrombocytopenia. Chest radiograph revealed massive right pleural effusion. At this time, laboratory investigations gave the following results: hemoglobin 12.7 g/dl, WBC 7700/microliters and platelet count 9.2 x 10(4)/microliters. Antibody to DNA was negative. Antinuclear antibody was positive at a titer of 320x in a centromere pattern; Anti-RNP and anti-Sm antibodies were negative. CH50 was 18.6 u/ml. C3 was 42.9 mg/dl. C4 was 11.5 mg/dl. Circulating immune complex (Clq) was 30.5 micrograms/ml. Circulating lupus anti-coagulant and anticardiolipine antibodies were positive. Thoracocentesis was performed; the material was a straw-colored exudate with over two thousands white cell per ul and showed marked reduction of complement titiers and elevated immune complex levels. She was then diagnosis as having SLE. Two weeks after admission, progressive leukopenia and anemia succeedingly occurred and resulted in severe pancytopenia. Bone marrow biopsy demonstrated marked marrow fibrosis and increased reticulin content with no evidence of malignancy. Steroid pulse therapy for 3 days started, and subsequently she was treated with 60 mg/day of prednisolone. Three weeks after starting on steroids, the massive pleural effusion was completely disappeared and complement titiers were normalized. Circulating immune complex has not been detected any more. After 8 weeks, the peripheral blood count was normalized. The dose of prednisolone was reduced progressively. On this occasion, the biopsy showed normocullular marrow with a marked reduction in the amount of reticulin.(ABSTRACT TRUNCATED AT 250 WORDS)

Antibodies, Antinuclear↗
PubMed1993

Bone marrow scintigraphy in myelofibrosis.

Seventy-seven patients with myelo-fibrosis have been studied during the last three years, by using as tracers 99m Tc- colloids and 111 In-transferrin. A low axial uptake of the colloids, an extension of the indium uptake beyond the axis towards the knees and sometimes ankles and elbows, the splenic indium uptake, are valuable diagnostic criteria, particularly useful for excluding a myelo-fibrosis associated to a malignant disorder. The clinical severity of the disease may be predicted from isotopic studies, particularly the disappearance of a physiologically active bone marrow (indium uptake). The bone marrow scintigraphy could contribute to the difficult decision of splenectomy.

Bone Marrow↗