Cytologic presentation of major salivary gland tumors in touch and aspiration biopsy smears.
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概要
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A cytological study on the histological typing and grading of 31 cases of major salivary gland tumor was performed. In cases of pleomorphic adenoma, the mesenchymal element had a metachromatic fibrillar matrix and was closely related to epithelial elements. The presence of myoepithelial cells, which tended to be interspersed with or without the fibrillar matrix, was another feature of pleomorphic adenoma. Warthin's tumor was easily diagnosed when oncocytes and a lymphoid background were recognized. Adenoid cystic carcinoma showed a characteristic picture of globular mucoid material surrounded by uniform small epithelial cells. Histologically high-grade adenoid cystic carcinoma presented anaplastic cellular features in smear preparations. Mucoepidermoid carcinoma had epidermoid cells and mucus-producing cells. In cases of more high-grade tumor, large mucus-producing cells were aggregated to form spheroid cell clusters (cell balls). Characteristic cytological findings and patterns of clusters that were suggestive of the above-mentioned features of each salivary gland tumor were helpful for tumor histological typing.
- 特定非営利活動法人 日本臨床細胞学会の論文
特定非営利活動法人 日本臨床細胞学会 | 論文
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