A cytologic study on small cell carcinoma of the esophagus

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Abstract
The cytologic picture of small cell carcinoma primarily arising from the esophagus was studied with 7 cases which were confirmed by histologic examination. Cytomorphologic characteristics of small cell carcinoma of the esophagus are as follows: the arrangement of groups of tumor cells is irregular and overlapping with indistinct cell boundaries. The cytoplasm is small, or sometimes absent. The nuclei are round, oval or occasionally spindle shaped. Nuclear borders are thin. The chromatin of finely granular pattern has increased and is evenly distributed.