Hitoshi Amakasu

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Thirty three resected gastric lesions were examined histologically to analyze the relationship between histologie and cytologie diagnoses of the so-called atypical epithelial growth based on biopsy specimens. Of the 33 lesions twenty were histologically verified atypical epithelial growth and the remaining thirteen were, in the same manner, diagnosed with(More)
A simple, precise and sensitive method for separation and determination of total bile acid sulfates in human urine is described. The sulfate fraction of urinary bile acids was separated with lipophilic anion exchange gel, piperidinohydroxypropyl Sephadex LH-20 after sample clean-up with Sep-Pak C18 cartridge. The obtained sulfate fraction was submitted to(More)
The renal tubular damage in liver cirrhosis was evaluated by measurement of urinary N-acetyl-beta-D-glucosaminidase (NAG) activity in 32 patients with various stages of liver cirrhosis. The patients were divided to three groups (A, B, and C) according to Child's criterion and urinary NAG activity and renal function parameters were compared in these groups.(More)
B-cell neoplasms are not infrequently associated with autoimmune diseases. A 60-year-old man with multiple myeloma developing in an early stage primary biliary cirrhosis was reported. Initially, he had hypergammaglobulinemia with monoclonal gammopathy (IgG-kappa type), elevation of serum IgG and IgM, and positive serum antimitochondrial antibodies. There(More)
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