Cytological diagnosis of bronchial carcinoid tumors.
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概要
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Cytological diagnosis was studied on twelve cases of bronchial carcinoid tumors.<BR>1. Sputum cytology was of low diagnostic value.<BR>2. Brushing cytology done immediatedly after bronchial forceps biopsy or transbronchial aspiration cytology (TBAC) ensured adequate diagnostic techniques in the evaluation of the biopsy specimen.<BR>These reliable techniques yielded positive in 6 out of the 12 cases (50 percent).<BR>In the other 6 cases, diagnosis was confirmed by direct smear performed during operation.<BR>3. Differential diagnosis among small cell carcinoma of the lung, malignant lymphoma (non-Hodgkin type) and adenocarcinoma of the lung proved enough to be possible cytomorphologically.<BR>Differential diagnosis between typical and atypical carcinoid relied upon cellular atypism, nuclear chromatin, N/C ratio, nuclear mitosis, and necrotic finding on background.<BR>4. Further investigations suggested that recognition of histologic pattern (Soga classification) was possible by cellular arrangement in the evaluation of cytomorphology.<BR>5. Specimens obtained from bronchial carcinoid developed in the periphery of the lung on 5 cases showed characteristic of spindle cell form.
- 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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