Cytological Diagnosis of Bronchial Carcinoid by Bronchial Brushing Method
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概要
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On five cases of bronchial carcinoid, cytological and histological findings were compared. Cytological materials were obtained by the preoperative bronchial brushing method. On resected cases, additional cytological smears were prepared from the freshly-cut surfaces of resected tumors.<BR>The conclusion reached by these examinations is that cytology diagnosed by the bronchial brushing method is useful for establishing preoperative diagnosis of bronchial carcinoid. Essential cytological manifestations of typical carcinoid are as follows;(1) Cytoplasm is foamy and lightly stained, (2) moderately increased chromatin granules are slightly coarse, (3) chromatinic rim is thin and regular and (4) nucleoli are moderately prominent.<BR>Aside from these typical findings, various aspects in cytology reflected histological patterns of carcinoid. For example, rosette formation and tubular arrangement appeared in the adenopapillary pattern and spindle-shaped nuclei were found in the smears from the case of spindle cell type. In a poor-prognostic case, nuclear pleomorphism, filled granular chromatin and multiple small nucleoli were found. This nuclear atypism suggests "potential malignancy" as has been suspected by the authors.
- 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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