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  • Title: Fabry's disease: clinical, pathologic and biochemical manifestations in two Chinese males.
    Author: Sheu SS, Chan LP, Liao SC, Hsiao KJ, Shu KH, Lu YS, Cheng CH, Lian JD.
    Journal: Zhonghua Yi Xue Za Zhi (Taipei); 1994 Nov; 54(5):368-72. PubMed ID: 7834562.
    Abstract:
    Fabry's disease is a rare hereditary disease transmitted as an X-linked recessive trait with the primary metabolic defect of an enzyme alpha-galactosidase A, resulting in deposition of glycolipids (ceramide trihexoside) in various tissues, including the kidneys. Two sibling cases of Chinese adult male patients in a family with Fabry's disease were completely evaluated including the clinical, pathologic and biochemical studies. Both of the patients had the similar clinical manifestations such as telangiectases, proteinuria, acral pains, corneal opacities, tortuous renal vessels and recurrent fever. Chronic renal insufficiency was noted in Case 1, whereas Case 2 had normal renal function. Microscopic hematuria was noted in Case 1. In renal biopsy, LM showed foamy vacuolation of the glomerular visceral epithelial cells and EM showed widespread myelin bodies (Zebra bodies) in kidney tissues, most numerous in visceral epithelia in both cases. Those findings are diagnostic for Fabry's disease. The plasma activity of alpha-galactosidase of Case 1 was 0.8 and that of Case 2 was 1.0 (normal reference range: 8.5-18.5 nmol/hr/min). The plasma activity of alpha-galactosidase A of Case 1 was 0.4 and that of Case 2 was 0.8 (normal reference range: 7.9-16.9 nmol/hr/min). All the enzyme activities in both cases were much lower than those of normal subjects. In addition to clinical presentations, pathologic study and biochemical study with assays of plasma or serum activities of alpha-galactosidase and alpha-galactosidase A are important steps in the diagnosis of Fabry's disease.(ABSTRACT TRUNCATED AT 250 WORDS)
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