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  • Title: [Studies on pseudo-Chediak-Higashi granules formation in acute promyelocytic leukemia].
    Author: Irimajiri K, Iwamoto I, Kawanishi K, Tsuji K, Morita S, Koyama A, Hamazaki H, Horiuchi F, Horiuchi A, Akiyama T.
    Journal: Rinsho Ketsueki; 1992 Aug; 33(8):1057-65. PubMed ID: 1404862.
    Abstract:
    Leukemic cells from acute promyelocytic leukemia containing pseudo-Chediak-Higashi (P-CH) granules in a 38-year-woman were studied with ultrastructural and cytochemical techniques to evaluate the origin and nature of the granules. Wright-Giemsa stain revealed giant granules to be azurophilic. Cytochemical stain revealed p-CH granules ot the basic of their peroxidase and glycoprotein content. Electron microscopy revealed numerous giant granules formed by fusion of azurophilic granules these morphological, different type granules were classified into four types, 1) circular granule with homogeneous matrix, 2) circular granule with heterogeneous change by autolysis, 3) Auer body-like granule with crystalline arrangement, 4) vacuolar formation. The results demonstrate that the Auer body-like granule of P-CH granules in leukemic cells is a morphologically variant type of the classical Auer body observed in common acute myeloid leukemia.
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