PubMed · 12491143
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H Kaiser. 2002. [Jacques E. Forestier (1890-1978) -- the versatile].. https://doi.org/10.1007/s00393-002-0457-8
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Intracellular accumulation of phospholipids may be a consequence of inherited or acquired metabolic disorders. In Fabry disease, deficiency of alpha-galactosidase A results in storage of globotriasylceramide in numerous cells including endothelium, striated muscle (skeletal, cardiac), smooth muscle, and renal epithelium among others; the ultrastructural appearance of the inclusions is of whorled layers of alternating dense and pale material ('zebra bodies' or myeline figures). Chloroquine therapy may result in storage of biochemically and ultrastructurally similar inclusions in many of the same cells as Fabry disease and often results in similar clinical manifestations. We report a 56-year-old woman with rheumatoid arthritis treated with chloroquine, who developed muscle weakness and renal insufficiency; information regarding therapy was not emphasized at the time of renal biopsy, leading to initial erroneous interpretation of Fabry disease. Following muscle biopsy, genetic and enzyme evaluation, and additional studies on the kidney biopsy, a diagnosis of chloroquine toxicity was established. One year following cessation of chloroquine, renal and muscle dysfunction greatly improved. In chloroquine toxicity, inclusions in glomeruli are not only in visceral epithelial, endothelial and mesangial cells but are in infiltrating monocytes/macrophages, which are most commonly present in the mesangium. Curvilinear bodies, the ultrastructural features of chloroquine toxicity in striated muscle, are not present in renal cells. This report documents differences in appearance, cells affected and morphological differential diagnostic features to distinguish these two entities.
OBJECTIVE: To determine the effect of hydroxychloroquine treatment during pregnancy and lactation on babies of mothers affected by rheumatic diseases. STUDY DESIGN AND METHODS: A total of 40 infants born from mothers affected by rheumatic diseases and treated with hydroxychloroquine during pregnancy were enrolled in a prospective observational study. Main outcome measures at birth were incidence of prematurity, congenital malformations and neonatal infections. Of these babies, including 13 who were breast-fed, 24 were followed up during early infancy for visual function and neurodevelopmental outcome. RESULTS: Preterm delivery was the main complication (20.5%). No significant congenital malformations or neonatal infections were detected. All infants, including those who were breast-fed, had normal visual function and neurodevelopmental outcome. CONCLUSIONS: Hydroxychloroquine treatment during gestation and lactation appeared to be safe. The relatively high incidence of preterm deliveries may reflect the maternal disease state.
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