1979•Acta Pathologica JaponicaRequires access
ULTRASTRUCTURAL STUDIES ON A CAROTID BODY TUMOR
Yoshio Hiasa, Masato Ohshima, Chikayoshi Iwata, Yoshio MURATA, Tatsuo Tankake, Toshisuke Sakaki, Shõzaburo Utsumi, Yukikazu Hyo, Tsutomu Hoshiya
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Abstract
Light and electron microscopic studies were made on a large carotid tumor. Light microscopy revealed adenomatous formation with dark granules giving a positive Grimelius silver reaction in the lumen and cytoplasm of chief cells. Electron microscopy showed that the tumor consisted mainly of clear cells and a few dark cells. Electron dense granules were observed both in the cytoplasm of the tumor cells and in the lumen. Microfilaments were prominent in the cytoplasm of both types of tumor cells.