上咽頭アミロイドーシスの1症例

概要

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A case of amyloidosis localized in the nasopharynx was reported. The patient was a 62-year-old female who complained of persistent nasal obstruction.The gross appearance of this tumor showed a thumb-sized red-yellowish mass, in part covered with white coating.The systemic amyloidosis was excluded by several clinical examinations including rectal biopsy.Histopathological examination revealed diffuse deposits of homogeneous eosinophilic substances. A polarized microscopic examination by congo-red stain showed that deposit's substances were amyloid. A typical amyloid fibril was observed under electron microscope.The mass was removed with Beckmann adenotome. Bleeding was minimal.
一般社団法人日本耳鼻咽喉科学会の論文