Electron microscopic cytochemistry of pseudo-Chediak-Higashi granules in 5 cases of AML

W. Mizushima, M. Eguchi, H. Sakakibara, K. Sugita, T. Furukawa, M. Kanagawa, T. Suda, M. Yoshida, Y. Miura, J. Matsui

研究成果: Article査読

5 被引用数 (Scopus)

抄録

Blasts from 5 cases of AML with pseudo-Chediak-Higashi granules were examined ultrastructurally and histocytochemically using peroxidase, acid phosphatase, high iron diamine (HID) and periodic acid-thiocarbohydrazide-silver proteinate (PA-TCH-SP) stainings. Pseudo-Chediak-Higashi granules, which appeared as vacuole-like inclusions by light microscopy, generally contained electron-lucent materials. All pseudo-Chediak-Higashi granules were, positive for peroxidase but some were negative for acid phosphatase. Pseudo-Chediak-Higashi granules were HID positive, indicating that they contained sulfated glycoconjugates. Glycogen-like particles were observed in the pseudo-Chediak-Higashi granules with the PA-TCH-SP method, as occasionally observed in granules in drug resistant ALL blasts. In conclusion, the contents of pseudo-Chediak-Higashi granules, which seems to be formed by fusion of small granules, differed from those of normal azurophillic granules.

本文言語English
ページ(範囲)799-806
ページ数8
ジャーナル[Rinsho ketsueki] The Japanese journal of clinical hematology
31
6
出版ステータスPublished - 1990 6 1

ASJC Scopus subject areas

  • 医学(全般)

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