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Original Articles
- Cytologic Analysis of Malignant Effusion.
- Sang Pyo Kim, Ji Yeon Bae, Kwan Kyu Park, Kun Young Kwon, Sang Sook Lee, Eun Sook Chang, Chung Sook Kim
- Korean J Cytopathol. 1995;6(2):116-124.
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Abstract
PDF - Eighty cases of malignant effusion were cytologically studied to elucidate the incidence of primary tumor site and cytologic characteristics of each tumor types. Eighty fluid specimens were composed of 43 ascitic, 35 pleural, and 2 pericardial effusion and primary tumor site had been confirmed by histology. The frequent primary sites were stomach (22 cases, 28%), lung (21 cases, 26%), ovary (11 cases, 14%), liver (7 cases, 9%), and breast (4 cases, 5%). The principal malignant tumors were adenocarcinoma (56 cases, 70%), squamous cell carcinoma (7 cases, 9%), liver cell carcinoma (7 cases, 9%), small cell carcinoma (4 cases, 5%), and non-Hodgkin}s lymphoma (4 cases, 5%). The distinctive cytologic findings according to primary tumor types were as follows ; the gastric adenocarcinomas were mainly characterized by isolated cells and irregular clusters sometimes with signet ring cells. Papillary serous cystadenocarcinoma of ovary showed frequently papillary clusters and occasional psammoma bodies. Breast carcinoma of ductal type showed cell balls with smooth margins. Colonic adenocarcinoma showed rather irregular clusters or palisading pattern of cylindrical cells. Metastatic squamous cell carcinoma, liver cell carcinoma, small cell carcinoma, and non-Hodgkin}s lymphoma showed also characteristic features. These findings indicate that the cytological features observed in the great majority of malignant effusion are similar to those of primary tumor types, which are very helpful to indentify the primary tumor site.
- Cytologic Features and Distribution of Primary Sites of Malignant Cells in Body Cavity Fluids .
- Kang Suek Suh, Chang Hun Lee, Hyun Ok Kim
- Korean J Cytopathol. 1997;8(1):35-46.
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Abstract
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- The authors reviewed 167 malignant effusions from 110 patients, of which the primary site was established on the basis of either biopsy or surgical resection of the primary neoplasm. Main factors analysed were the distribution of primary organs and the cytohistologic correlation of body cavity effusions. The 167 fluid specimens from 110 patients consisted of 90 cases(53.9%) of pleural, 68(40.7%) of peritoneal, and 9(5.4%) of pericardial origins. Histologically they consisted of 82 cases(74.5%) of adenocarcinoma, 8(7.3%) of malignant lymphoma, 6(5.5%) of squamous cell carcinoma, and 3(2.7%) of small cell carcinoma. The most common site among the primary lesions was the stomach in 25 cases(22.7%) followed by the lung in 21 (19.1%), ovary in 17(15.5%), and breast in 7(6.4%). As for the distribution of primary tumors in adenocarcinoma, the most common site was lung in 16 cases (48.5%) in pleural fluid and stomach in 22(48.9%) in peritoneal fluid. In pericardial effusions, all 5 cases were from the lung. As a whole, the cytologic findings of malignant effusion were fairly representative of histologic characteristics of primary lesions. Thus, when the primary lesion is unknown, careful evaluation of effusion cytology is presumed to be a helpful tool for tracing the primary tumor.
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