Ihara N, Murohashi I, Itho M, Amino I, Yoshida K, Matsuda A, Bessho M. Lactate dehydrogenase-linked immunoglobulin Akappa in a patient with nonimmune chronic idiopathic neutropenia.
ACTA ACUST UNITED AC 2006;
12:148-51. [PMID:
16950676 DOI:
10.1532/lh96.05020]
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Abstract
A 39-year-old patient with cervical cancer, stage Ia, was successfully treated by total hysterectomy. Then, after sustained neutropenia for more than 4 years and coincident with its exacerbation, the serum lactate dehydrogenase (LD) level started to elevate and reached a plateau. A test for antineutrophil antibody was negative and LD-3-linked IgAkappa, which may be responsible for high LD activity, was confirmed. The absolute number of blood NK cells was reduced, and a diagnosis of nonimmune chronic idiopathic neutropenia of adult was made. The successive occurrence of these 3 disorders may be based on interrelated immunological abnormalities.
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